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        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 143261 A Rotary Feeder Dr. H C Visvesvaraya
    Sh. V K Jain
    Sh. S K Gupta
    Sh. L K Jankiraman
    3 144663 A Non-shrinking Grout Dr. H C Visvesvaraya
    Dr.(Ms) S Kayal
    Dr. A K Mullick
    Dr. K C Narang
    4 144664 A Non-shrinking Cement Mortar Dr. H C Visvesvaraya
    Dr. (Ms.) S Kayal
    Dr. A K Mullick
    Dr. K C Narang
    5 144928 A Process for Preblending (Cement Raw Mix) Dr. H C Visvesvaraya
    Sh. V K Jain
    Sh. CS Chandrasekaran
    6 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
    7 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
    8 148556 A Drive System for Use with the Rotary Grate Dr. H C Visvesvaraya
    Sh. V K Jain
    Sh. C S Chandrasekaran
    9 148782 Ready-mixed Concrete Compositions Dr. H C Visvesvaraya
    Dr. A K Mullick
    Sh. Rattan Lal
    Dr. S C Maiti
    Dr. A K Sen
    10 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
    11 149225 A Steel Fibre Manufacturing Machine (Fibshap) Sh. Rattan Lal
    Dr. N Raghavendra
    12 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
    13 152010 A Drive Meant for Driving the Kiln Shaft Kiln of a Rotary Grate of Vertical Shaft Kiln Sh. V K Jain
    14 152420  A Steel Fibre Denester Sh. Rattan Lal
    Dr. N Raghavendra
    15 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
    16 153001 A Shuttle Capable of Use in Fibre Forming Machine Sh. Rattan Lal
    Dr. N Raghavendra
    Dr. S C Maiti
    Dr. (Ms.) S Kayal
    17 153002 A Process for the Manufacture of Fibre Reinforced Concrete Dr. S C Maiti
    Dr. (Ms.) S Kayal
    Dr. N Raghavendra
    Sh. Rattan Lal

     

    18 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
    19 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
    20 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
    21 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
    22 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

     

     

    23 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
    24 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
    25 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
    26 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
    27 161379  A Nodulizer for a Vertical Shaft Kiln Sh. V K Jain
    Sh. A Manna
    Sh. L K Janakiraman
    Sh. M A Nayeem
    28 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
    29 161801 An Improved Burner for Use in a Rotary Kiln of Cement Plant Dr. D V R Rao
    Sh. M V R Rao
    Sh. M V R Rao
    Sh. V K Arora
    30 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
    31 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
    32 163104 A Bulk Carrier for Transportation of Particular Materials such as Cement Dr. H C Visvesvaraya
    Dr. A K Mullick
    Sh. J D Bapat
    33 163105 A Bulk Carrier for Transportation of Particular Materials such as Cement Dr. H C Visvesvaraya
    Dr. A K Mullick
    Sh. J D Bapat
    34 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
    35 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
    36 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
    37 166780 A Rotary Grade for Use in a VSK Dr. H C Visvesvaraya
    Sh. S Chatterjee
    Sh. S Sinha
    Sh. A Manna
    38 167584 A Control System for a VSK Dr. H C Visvesvaraya
    Sh. S Chatterjee
    Sh. A Pahuja
    39 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
    40 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
    41 169814 A Fibre Reinforced Concrete Jacket Dr. S C Maiti
    Dr. (Ms.) S Kayal
    Sh. R Subramanian
    42 173939 Improved Design of Partition Diaphragm Dr. H C Visvesvaraya
    Sh. S Chatterjee
    Sh. S Giridhar Kumar
    Sh. AS H Babu
    Sh. A Manna
    43 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
    44 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

     

     

     

    45 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
    46 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
    47 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
    48 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
    49 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
    50 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
    PATENTS FILED
      Application No. Title Name of Inventors
    51 269/Del/ 2004 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
    52 1995/DEL/2008 A process for Preparation of Ordinary Portland cement Sh. M Vasudeva
    Dr. M M Ali
    Dr. D Yadav
    Sh. J M Sharma
    53 2235/Del/2012 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
    54 2598/DEL/2014 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
    55 2599/DEL/2014 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
    56 1195/DEL/2015 Investigations on the use of limestone mine reject on the properties of OPC clinker and resultant cement

     

    Sh. Ashwani Pahuja
    Dr. M M Ali
    Dr. V P Chatterjee
    Sh. S K Chaturvedi
    Sh. S K Agarwal
    57 1194/DEL/2015 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

     

    58 1196/DEL/2015 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
    59 1964/DEL/2015 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

    Last updated on :08/04/2016

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