PATENTS OBTAINED

Sl. No.

Patent No.

Title

Names of Inventors

1

138395

Impermeable Bag for Mechanical Packing of Cement (CRI-C Type Bag)

Dr. H C Visvesvaraya
Sh. M V R Rao

2

140502

Rotary Grate for use in Vertical Shaft Kiln

Dr. H C Visvesvaraya

Dr. J C Mishra

Sh. V K Jain

Sh. S Sukumar

3

143261

A Rotary Feeder

Dr. H C Visvesvaraya
Sh. V K Jain
Sh. S K Gupta
Sh. L K Jankiraman

4

143579

A Process for Sun Drying of Nodules (Cement Raw Mix)

Dr. H C Visvesvaraya

Dr. J C Mishra
Sh. V K Jain

Sh. S Sukumar

5

144663

A Non-shrinking Grout

Dr. H C Visvesvaraya
Dr.(Ms) S Kayal
Dr. A K Mullick
Dr. K C Narang

6

144664

A Non-shrinking Cement Mortar

Dr. H C Visvesvaraya
Dr. (Ms.) S Kayal
Dr. A K Mullick
Dr. K C Narang

7

144928

A Process for Preblending (Cement Raw Mix)

Dr. H C Visvesvaraya
Sh. V K Jain
Sh. CS Chandrasekaran

8

145758

An Impermeable Bag (for Packing of Cement)

Dr. H C Visvesvaraya
Sh. M V R Rao
Sh. J D Bapat
Sh. A K Bhatia
Dr. (Ms.) Ramachandran
Sh. T N Verma
Sh. V K Srivastava

9

147345

Steel Fibre

Dr. H C Visvesvaraya

Dr. N Raghavendra

Sh. R Lal

Sh. C R Venkatesh

Sh. M C Maiti

Sh. R Subramaniam

10

147346

Steel Fibre

Dr. H C Visvesvaraya

Dr. N Raghavendra

Sh. R Lal

Sh. C R Venkatesh

Sh. M C Maiti

Sh. R Subramaniam

11

147347

Steel Fibre

Dr. H C Visvesvaraya

Dr. N Raghavendra

Sh. R Lal

Sh. C R Venkatesh

Sh. M C Maiti

Sh. R Subramaniam

12

148460

Simultaneous Separation of MgO and CaO from Dolomite/Limestone

Dr. S K Chopra
Dr. D V R Rao
Dr. V N Viswanathan
Sh. Kamal Kumar
Sh. S J Raina

13

148464

A Process for Separating Magenesium Carbonate form Dolomite/ Dolomite Limestone

Dr. S K Chopra

Dr. D V R Rao

Dr. V N Viswanathan

Sh. Kamal Kumar

Sh. S J Raina

14

148556

A Drive System for Use with the Rotary Grate

Dr. H C Visvesvaraya
Sh. V K Jain
Sh. C S Chandrasekaran

15

148782

Ready-mixed Concrete Compositions

Dr. H C Visvesvaraya
Dr. A K Mullick
Sh. Rattan Lal
Dr. S C Maiti
Dr. A K Sen

16

148933

Steel Fibre Reinforcement for Use in Cement Concrete Matrix

Dr. H C Visvesvaraya
Dr. N Raghavendra
Sh. Rattan Lal
Sh. R Venkatesh
Dr. S C Maiti
Sh. R Subramaniam

17

149167

A Liquid Impermeable Bag Having an Air Outlet Valve and an Air Escape Spout

Dr. H C Visvesvaraya

Sh. M V R Rao

18

149225

A Steel Fibre Manufacturing Machine (Fibshap)

Sh. Rattan Lal
Dr. N Raghavendra

19

151039

A precalcinator for Use with a Rotary Kiln

Dr. H C Visvesvaraya

Sh. A K Thakur

Dr. J C Mishra

Sh. M V R Rao

20

151966

An Apparatus (Development of Quick Field Test Kit)

Dr. H C Visvesvaraya
Sh. M V R Rao
Dr. S C Ahluwalia
Dr. V V S Rao

21

152010

A Drive Meant for Driving the Kiln Shaft Kiln of a Rotary Grate of Vertical Shaft Kiln

Sh. V K Jain

22

152420

 A Steel Fibre Denester

Sh. Rattan Lal
Dr. N Raghavendra

23

153000

A Steel Fibre Reinforced Concretes Clading Composition for Reinforced Concretes Beams and Other Memebers

Sh. Rattan Lal
Dr. A K Mullick
Dr. N Raghavendra
Dr. (Ms.) S Kayal
Dr. S C Maiti
Sh. R Subramaniam

24

153001

A Shuttle Capable of Use in Fibre Forming Machine

Sh. Rattan Lal
Dr. N Raghavendra
Dr. S C Maiti
Dr. (Ms.) S Kayal

25

153002

A Process for the Manufacture of Fibre Reinforced Concrete

Dr. S C Maiti
Dr. (Ms.) S Kayal
Dr. N Raghavendra
Sh. Rattan Lal

26

154383

A Reactor for the Manufacture of Activated Rice Husk Ash

Dr. S K Chopra

Dr. S C Ahluwalia

Dr. (Ms.) S Laxmi

Sh. Naresh Kumar 

27

154384

A Process for the Manufacture of Activated Rice Husk Ash

Dr. S K Chopra

Dr. S C Ahluwalia

Dr. (Ms.) S Laxmi

Sh. Naresh Kumar

28

154728

A Process for the Manufacture of coloured Clinker

Dr. H C Visvesvaraya

Dr. S K Chopra

Dr. S C Ahluwalia

Dr. (Ms.) S Laxmi

Dr. N C Sharma

Dr. D K Singh

29

154729

A Process for the Manufacture of coloured Clinker

Dr. H C Visvesvaraya

Dr. S K Chopra

Dr. S C Ahluwalia

Dr. (Ms.) S Laxmi

Dr. N C Sharma

Dr. D K Singh

30

155177

A Hydraulic Cement and a Process for the Manufacture thereof

Dr. H C Visvesvaraya

Dr. S K Chopra

Dr. K C Narang

Dr. K M Sharma

Sh. S Das

31

156854

A Controlled Conditioned Chamber

Sh. J P Saxena

Sh. K C Dutta

32

156855

A Bulk Container (Vertical Mounting)

Dr. H C Visvesvaraya

Dr. A K Mullick

Dr. J D Bapat

33

156856

A Bulk Container (Inclined Mounting)

Dr. H C Visvesvaraya

Dr. A K Mullick

Dr. J D Bapat

34

159287

A Process for the Manufacture of High Strength Insulating Bricks

Dr. H C Visvesvaraya
Dr. V V S Rao
Dr. S K Chopra
Sh. S J Raina
Sh. S C Sharma

35

159337

A Process for the Manufacture of an Expansive Cement

Dr. H C Visvesvaraya
Dr. S K Chopra
Dr. K C Narang
Dr. P B Rao

36

159705

A Vertical Shaft Precalcining Reactor (VSP)

Dr. H C Visvesvaraya
Sh. J D Bapat
Sh. V K Jain
Dr. P Sengupta
Sh. A Pahuja
Sh. P Otto
Sh. T K Choudhary
Sh. R Subramaniam

37

159750

A Process for the Manufacture of Feee Setting and High Early Strength Cement Composite

Dr. H C Visvesvaraya
Dr. V V S Rao
Dr. (Ms.) S Laxmi
Dr. P K Mandal
Sh. R Ghosh

38

160063

An Improved Cyclone Separator for Cleaning of a Gaseous Stream

Sh. D B Irani
Sh. M V R Rao
Dr. D V R Rao

39

160282

A Process for the Manufacture of Reactive Belite Cement

Dr. H C Visvesvaraya
Dr. S N Ghosh
Dr. S K Chopra
Dr. V K Mathur
Sh. S C Sharma

40

160876

A Rotary Feeder for Use with a Vertical Shaft Kiln

Sh. V K Jain
Sh. S Sinha
Sh. A Manna
Sh. L K Janakiraman
Sh. M A Nayeem

41

160887

An Impermeable Bag for Packing of Cement

Dr. H C Visvesvaraya
Dr. A K Mullick
Sh. J D Bapat
Dr. K M Sharma
Sh. A K Bhatia

42

161169

A Drive System for Use in Rotary Kiln

Dr. H C Visvesvaraya
Dr. J C Mishra
Sh. V K Jain
Sh. D B N Rao
Sh. L K Janakiraman

43

161379

 A Nodulizer for a Vertical Shaft Kiln

Sh. V K Jain
Sh. A Manna
Sh. L K Janakiraman
Sh. M A Nayeem

44

161422

An Impermeable Bag for Packing of Cement

Dr. H C Visvesvaraya
Dr. A K Mullick
Sh. J D Bapat
Dr. K M Sharma
Sh. A K Bhatia

45

161801

An Improved Burner for Use in a Rotary Kiln of Cement Plant

Dr. D V R Rao
Sh. M V R Rao
Sh. V K Arora

46

161823

A Bag for Packaging of Granular and Powdry Materials

Dr. H C Visvesvaraya
Dr. A K Mullick
Sh. J D Bapat
Sh. A Ghosh

47

161972

An Improved Burner for Use in a Rotary Kiln of Cement Plant

Sh. M V R Rao
Sh. N V R Mohan
Sh. A K Mishra

48

163104

A Bulk Carrier for Transportation of Particular Materials such as Cement

Dr. H C Visvesvaraya
Dr. A K Mullick
Sh. J D Bapat

49

163105

A Bulk Carrier for Transportation of Particular Materials such as Cement

Dr. H C Visvesvaraya
Dr. A K Mullick
Sh. J D Bapat

50

163903

An Improved Jute Based Composite Bag

Dr. H C Visvesvaraya
Dr. A K Mullick
Dr. C Rajkumar
Dr. J D Bapat
Dr. S K Dubey

51

164316

A Process for the Manufacture of Magnesia Refractories

Sh. S J Raina

Sh. D B Irani 

Sh. S C Sharma

Sh. S Gopal

52

164653

Process for the Manufacture of Cement Clinker by Mixed Chloride and Floride Technology

Dr. H C Visvesvaraya
Sh. S J Raina
Sh. A Pahuja
Sh. S Gopal
Sh. D B Irani
Sh. A Dembla

53

165040

A Cyclone Separator for Cleaning of a Gaseous Stream

Dr. P Sengupta
Sh. M V R Rao
Sh. R Ganapathy
Dr. D V R Rao

54

165129

A Paper Synthetic Composite Bag for Packing of Cement 

Dr. H C Visvesvaraya

Dr. A K Mullick

Dr. C Rajkumar

Dr. J D Bapat

Dr. S K Dubey

55

166780

A Rotary Grade for Use in a VSK

Dr. H C Visvesvaraya
Sh. S Chatterjee
Sh. S Sinha
Sh. A Manna

56

167012

A VSK (Complete System)

Dr. H C Visvesvaraya

Sh. S Chatterjee 

Sh. S C Rastogi

Sh. S Sinha

Sh. A Manna

Sh. L K Janakiraman

Sh. S J Raina

57

167584

A Control System for a VSK

Dr. H C Visvesvaraya
Sh. S Chatterjee
Sh. A Pahuja

58

167991

A Bulk Carrier

Dr. H C Visvesvaraya
Dr. A K Mullick
Sh. J P Saxena
Sh. J D Bapat
Sh. H S Chauhan
Sh. C KSharma

59

168052

A Bulk Supply System

(Integrated Bulk Supply)

Dr. H C Visvesvaraya
Dr. A K Mullick
Sh. G P Sharma
Sh. R Singh
Sh. P K Dhingra
Sh. R C Krishnan

60

169686

A Process for the Preparation of a Clodded Fibre Reinforced Concrete Structural Beam and a Clodded Fibre Reinforced Beam Prepared by the Said Process  

Dr. A K Mullick

Dr. N Raghavendra 

Dr. C Rajkumar

61

169814

A Fibre Reinforced Concrete Jacket

Dr. S C Maiti
Dr. (Ms.) S Kayal
Sh. R Subramanian

62

170385

A kiln Having a Coal Quality Modulation Apparatus

Dr. H C Visvesvaraya

63

171987

A Process for the Manufacture of the White Cement

Dr. H C Visvesvaraya

Sh. S Chatterjee 

Sh. S Sinha 

Sh. A Phuja

Sh. Naresh Kumar

64

172087

An Apparatus for the Manufacture of White Cement 

Dr. H C Visvesvaraya

Sh. S Chatterjee 

Sh. S Sinha 

Dr. (Ms.) K Raina

Sh. A Phuja

Sh. Naresh Kumar

65

172310

A Modified Grate for VSK 

Dr. H C Visvesvaraya

Sh. N L Murthy 

Sh. S Sinha 

Sh. A Manna

66

172595

A System for Enhancing the Productivity in VSK

Dr. H C Visvesvaraya

Sh. S Chatterjee 

Sh. N L Murthy 

Sh. S Sinha 

Sh. A Manna

67

172732

A Process for the Preparation of the Magnesia Spinal Refractories

Dr. H C Visvesvaraya

Sh. S J Raina

Sh. S C Sharma

Sh. G Gopal

Sh. S Agrawal

68

172943

A Process for the Preparation of the Rice Husk Ash Bricks

Dr. H C Visvesvaraya

Dr. S C Ahluwalia

Dr. K M Sharma

Sh. R Bhargava

Sh. S K Gotecha

69

173491

An Improved Bag for Packing of Granular or Particular Materials

Dr. H C Visvesvaraya

Dr. A K Mullick

Sh. J D Bapat

Dr. S K Dubey

70

173939

Improved Design of Partition Diaphragm

Dr. H C Visvesvaraya
Sh. S Chatterjee
Sh. S Giridhar Kumar
Sh. A S H Babu
Sh. A Manna

71

174474

A Dust Collecting Device

Dr. H C Visvesvaraya

Sh. S Sinha 

Sh. B Nedumaran

72

174210

A Lime Kiln

Dr. H C Visvesvaraya

Dr. S C Ahluwalia

Sh. S Sinha 

Sh. S K Bandopadhya

73

174236

A Suspension Preheater (Horizontal Cyclone)

Dr. H C Visvesvaraya

Sh. A Manna

Sh. A V S Rao

74

175303

A Discharge Means for a Vertical Shaft Kiln 

Dr. H C Visvesvaraya

Sh. S Chatterjee 

Sh. L K Janakiraman

Sh. B Nedumaran

75

175526

A Process for Preparation of Calcium Silicate Hydrate

Dr. H C Visvesvaraya

Dr. S C Ahluwalia

Sh. S J Raina

Dr. A K Mullick

76

178172

A Fats Setting and High Early Strength Cement Composite  

Dr. M M Ali

Sh. P S Sharma

Dr. S K Handoo

Dr. K M Sharma

Dr. N K Jain

Dr. S C Ahluwalia

Dr. S Harsh

Sh. R C Sharma

77

178377

A Separator for the Separation of Feed Material

Sh. S Chatterjee 

Dr. A K Mullick

Sh. N L Murthy

Sh. S Sinha

Sh. A Manna

Sh. A S Babu

78

178931

A Process and System for Causing a Separation of the Fines from the Coarser Particles

Dr. H C Visvesvaraya

Sh. S Sinha

Sh. A Manna

Sh. S G Kumar

Sh. A S Babu

Sh. A K Tiwari

79

180188

A Process for the Manufacture of Alumina Zircon Refractories 

Dr. A K Mullick

Sh. S J Raina

Sh. S Chatterjee 

Dr. S K Handoo

Sh. S C sharma

Sh. S Agarwal 

Sh. S Gopal

80

180200

An Improved Grit Separator 

Sh. S Chatterjee 

Sh. N L Murthy

Sh. S Sinha

Sh. A Manna

Sh. S G Kumar

Sh. A S Babu

81

180723

A Non Explosive Type Expanding agent

Dr. S N Ghosh

Mrs. Lata Mohan

Sh. A D Agnihotri

82

184233

A System for use with a Singular or Plurality of VSK

Sh. S Chatterjee
Sh. N L Murthy
Sh. S Sinha
Sh. Naresh Kumar
Sh. A S R Vijayakumar

83

190997

An Integral Cement Water Proofing Composition 

Dr. A K Mullick

Dr. S C Ahluwalia

Dr. S K Handoo

Dr. N K Jain

84

208822

An Improved Vertical Shaft Kiln

Dr. C Rajkumar
Sh. S J Raina
Sh. L K Janakiraman
Dr. (Ms.) K Raina
Sh. S N Mehrotra
Sh. C K Sharma

85

232450

A Process for Producing Lime from Lime Sludge

Sh. D B N Rao
Dr. K Mohan
Sh. L K Janakiraman
Sh. Y P Sethi
Dr. (Ms.) K Raina

86

232452

A Process for Producing Cement Clinker from Lime Sludge

Sh. D B N Rao
Dr. K Mohan
Sh. L K Janakiraman
Sh. M Vasudeva
Sh. A Manomoney
Sh. V Balasubramanian

87

234914

A Cordierite based Kiln Furniture comprising Spent Catalyst Waste and a process for preparing the same

Sh. S Raina
Dr. K Mohan
Dr. K M Sharma
Dr. M M Ali
Sh. S K Chaturvedi
Dr. D Yadav
Sh. S K Agarwal

88

235706

A process for the utilization of Spent Catalyst Waste in Cement Manufacture

Sh. S. Raina
Dr. K. Mohan
Dr. K M Sharma
Dr. M M Ali
Sh. S K Chaturvedi
Dr. D Yadav
Sh. S K Agarwal

89

248230

A Ceramic Composition for Preparing Scientific Pottery ware and Process of Preparation thereof

Sh. S Raina
Dr. K Mohan
Dr. K M Sharma
Dr. M M Ali
Sh. S K Chaturvedi
Dr. D Yadav
Sh. S K Agarwal

90

251637

A decorative plaster coating

Sh. S Raina
Dr. K Mohan
Dr. K M Sharma
Dr. M M Ali
Sh. S K Chaturvedi
Sh. S K Agarwal

91

248230

A Ceramic body mix utilizing Spent Catalyst Waste and a Process for preparing the same

Sh. S Raina
Dr. K Mohan
Dr. K M Sharma
Dr. M M Ali
Sh. S K Chaturvedi
Dr. D Yadav
Sh. S K Agarwal

92

288839

Decorative tiles utilizing marble dust and a process for preparation thereof

Sh. S Raina

Dr. K Mohan

Dr. K M Sharma

Dr. M M Ali

Sh. S K Chaturvedi

Sh. S K Agarwal

93

289766

Cement and flyash based aesthetic building bricks tiles utilizing marble dust and a process for preparation thereof

Sh. S Raina

Dr. K Mohan

Dr. K M Sharma

Dr. M M Ali

Sh. S K Chaturvedi

Sh. S K Agarwal

PATENTS IN FORCE

94

294833

A process for Preparation of Ordinary Portland cement

Sh. M Vasudeva
Dr. M M Ali
Dr. D Yadav
Sh. J M Sharma

95

295058

A process for preparation of synthetic slag from low grade limestone and dolomite

Sh. A Pahuja
Dr. M M Ali
Sh. P S Sharma
Sh. S K Chaturvedi
Sh. S K Aggrawal
Dr. V P Chatterjee
Dr. D. Yadav
Sh. Tashi Tshering
Sh. Udai Kaflay

96

314591

Rationalizing formulations and curing conditions for improving properties of hardened Geopolymeric cement 

Sh. A Pahuja

Dr. M M Ali

Dr. R S Gupta 

Dr. S Vanguri

Dr. V Liju

97

337143

Process for the Preparation of sulphoaluminate – belite cement utilizing high magnesia / dolomitic limestone

Sh. Ashwani Pahuja
Dr. M M Ali
Sh. P S Sharma
Dr. V P Chatterjee

98

340210

Nanosilica blended ordinary Portland cement compositions with improved performance characteristics and a process thereof

Sh. Ashwani Pahuja
Dr. M M Ali
Dr. S Harsh
Sh. Suresh Vanguri
Dr. Varsha Liju

99

347356

Marble dust as mineral additive in the manufacture of ordinary Portland cement

Sh. A Pahuja
Dr. M M Ali
Sh. P S Harma
Sh. S K Aggrawal
Sh. Ashish Goyal

100

344069

Mineralizing effect of “barium sludge- an industrial byproduct” in the manufacture of ordinary Portland cement

Sh. A Pahuja
Dr. M M Ali
Dr. V P Chatterjee
Sh. S K Chaturvedi
Sh. S K Aggrawal

101

344307  

Fast process for determining expected 28-days compressive strength of concrete made with Portland Pozzolana Cement (PPC)

Sh. V V Arora 

Sh. Suresh Kumar 

Sh. Manish Kumar Mandre

102

355368

Method for rapid estimation of Na2O and K2O in different types of cement and raw materials

Sh. Ashwani Pahuja
Dr. M M Ali
Sh. S K Chaturvedi
Sh. S C Sharma

103

437424

Aqueous dispersion of CNT using chemical admixture and its application in cementitious materials

Dr. S K Chaturvedi

Dr. A K Dikshit

Dr. S Palla

Dr. Satya Pal Singh

Dr. Sova Bhattacharya

Dr. Gurpreet Singh Kapur

Sh. Madhusudan Sau

Sh. Naduhatty Selai Raman

Sh. Chandrasekaran Kannan

Sh. S S V Ramakumar

104

444190

Ordinary Portland cement clinker utilizing limestone mine rejects 

Sh. Ashwani Pahuja 

Dr. M M Ali 

Dr. V P Chatterjee 

Sh. S K Chaturvedi 

Sh. S K Agarwal

105

 456816 

A Process for Preparing Tiles 

Sh. Ashwani Pahuja 

Dr. S K Chaturvedi 

Dr. S Harsh 

Dr. R S Gupta 

Sh. S Vanguri 

Dr. V Liju

Dr. M N K Prasad

106

516001

Sustainable concrete composition and method for preparation thereof

Ms. Sonal Saluja 

Dr. Arun Gaur

Dr. Sanjay Mundra

107

 533094 

Geoploymer concrete paving block and a process for preparation thereof 

Sh. V V Arora

Sh. Amit Trivedi

Sh. Lalit Kumar

PATENTS FILED

Sl. No.

Application No.

Title

Inventors

1.

201911049295

Composition of PPC and PSC using High Magnesia (MgO) clinker 

Dr. B N Mohapatra 

Dr. S K Chaturvedi 

Sh. G J Naidu 

Sh. Giasuddin Ahamed

2.

202311023188 

A flexible Material Transfer Apparatus for Handling Solid Alternative Fuels & their mix 

Sh. Kapil Kukreja

Dr. Manoj Kumar Soni 

Dr. B N Mohapatra

3.

202311059563

Vertical Alternative Fuel Dyer (VAFD) for minimizing moisture content of solid alternative fuels (AFs)

Dr. L P Singh

Dr. D K Panda

Dr. Kapil Kukreja

Sh. Prateek Sharma

Sh. Ankur Mittal

Sh. Bharat Bhushan