| S. No. | Title of the Invention | Date of Filing | Patent No. | Country |
|---|---|---|---|---|
| 1. | A hydrogen sensor for measurement of diffusible hydrogen in weldment | 11-Jul-1997 | 186660 | India |
| 2. | An optical probe for qualitative evaluation/measurement of defects in a ferromagnetic material component | 22-Jul-1997 | 186620 | India |
| 3. | An optical probe for quantitative evaluation/measurement of defects in a ferromagnetic material component | 22-Jul-1997 | 186574 | India |
| 4. | An acrylamide-based gamma ray dosimeter using ultrasonic | 28-Apr-1998 | 187206 | India |
| 5. | An ultrasonic device for measuring residual monomer in a polymer solution particularly polyacrylamide | 28-Apr-1998 | 187485 | India |
| 6. | An apparatus for producing laser-based etching on surfaces of articles of metals, alloys and ceramics. | 30-Jun-1998 | 189001 | India |
| 7. | A device for detecting defects such as scratches and cracks on an electrically conductive surface. | 02-Dec-1998 | 190427 | India |
| 8. | A modular device for generating high voltage impulses | 08-Feb-1999 | 191318 | India |
| 9. | A modular device for generating high voltage impulses | 08-Feb-1999 | 191316 | India |
| 10. | A device for detecting leaks in tubes | 10-Aug-1999 | 193457 | India |
| 11. | A split coil probe for steel wire rope inspection | 10-Aug-1999 | 193458 | India |
| 12. | An improved process for producing mixed oxide coated titanium electrodes having enhanced life in electrochemical applications and the electrodes so prepared | 17-Nov-1999 | 195371 | India |
| 13. | An improved process for providing hard chromium nitride coating on substrates and a coated substrate so obtained. | 09-Jul-2001 | 198325 | India |
| 14. | A process for the preparation of MgO stabilised beta alumina | 09-Jul-2001 | 215156 | India |
| 15. | Process for in-situ preparation of electrolyte for measuring hydrogen in high temperature fluids | 22-Oct-2001 | 198013 | India |
| 16. | A measuring system for online measurement of corrosion rate of metals in an aqueous medium | 22-Oct-2001 | 204092 | India |
| 17. | An improved apparatus for measuring forces between colloidal particles or droplets | 05-Jun-2002 | 195921 | India |
| 18. | A Tuneable optical filter | 05-Jun-2002 | 196063 | India |
| 19. | Stabilised magnetic emulsion and a process of making it | 19-Dec-2002 | 205114 | India |
| 20. | A penetration enhancing flux formulation for Tungsten Inert Gas (TIG) welding of austenitic Stainless steel and its application | 05-Nov-2007 | 266346 | India |
| 21. | A penetration enhancing flux formulation for Tungsten Inert Gas (TIG) welding of austenitic Stainless steel and its application | 02-Nov-2007 | GB 2446905 | UK |
| 22. | A penetration enhancing flux formulation for Tungsten Inert Gas (TIG) welding of austenitic Stainless steel and its application | 28-Dec-2007 | 95076 | Ukraine |
| 23. | A penetration enhancing flux formulation for Tungsten Inert Gas (TIG) welding of austenitic Stainless steel and its application | 12-Feb-2008 | 8097826 | USA |
| 24. | Non-ionic, porous, solid resin with chemically bonded crown ether | 24-Mar-2010 | 5297462 | Japan |
| 25. | Non-ionic, porous, solid resin with chemically bonded crown ether | 26-Apr-2010 | 2205672 | Europe (Validated in France) |
| 26. | A Process for Producing Body Centered Cubic (B2) Nickel Aluminide (NiAl) Coating of Controlled Thickness on Nickel-base Alloy Surfaces | 25-May-2010 | 2452791 | Russia |
| 27. | A Process for Producing Body Centered Cubic (B2) Nickel Aluminide (NiAl) Coating of Controlled Thickness on Nickel-base Alloy Surfaces | 25-Apr-2010 | 2217736 | Europe (Validated in France) |
| 28. | A Process for Producing Body Centered Cubic (B2) Nickel Aluminide (NiAl) Coating of Controlled Thickness on Nickel-base Alloy Surfaces | 27-Apr-2010 | 288175 | India |
| 29. | Process for Development of a High resistance Austenitic Stainless Steel | 21-Apr-2008 | 272698 | India |
| 30. | Process for Development of a High resistance Austenitic Stainless Steel | 03-Jul-2008 | 2112237 | Europe (Validated in Germany, France & Sweden) |
| 31. | An innovative ‘cut-and-feed’ operation for enhancing the performance of ion-exchange chromatographic separation. | 10-May-2010 | 2274075 | Europe (Validated in France) |
| 32. | An innovative ‘cut-and-feed’ operation for enhancing the performance of ion-exchange chromatographic separation. | 10-Jun-2010 | 7976708B2 | USA |
| 33. | Wash Solution suitable for use in Continuous Reprocessing of Nuclear Fuel and a System thereof | 21-Jul-2010 | 5643745 | Japan |
| 34. | Wash Solution suitable for use in Continuous Reprocessing of Nuclear Fuel and a System thereof | 16-Jun-2010 | 2223305 | Europe (Validated in France) |
| 35. | A process for the treatment of cellulose-based waste for removal of hazardous materials and recovery of valuables. | 22-Sep-2008 | 256258 | India |
| 36. | A Method and Apparatus for "Block Encryption" and "Synchronous Stream Cipher (SSC) | 03-May-2011 | 396872 | India |
| 37. | Single Fibre grid with improved spatial resolution in distributed optical fibre sensor system | 24-Mar-2009 | 280741 | India |
| 38. | Improved path length fibre optic probe for on-line and off-line spectrophotometric assay | 03-Dec-2009 | 291011 | India |
| 39. | A novel method of Synthesis of Rhodium Metal Foam using room temperature ionic liquids | 08-Aug-2012 | 279100 | India |
| 40. | A method of preparation of Potassium Fluoroborate (KBF4) | 08-Aug-2012 | 287491 | India |
| 41. | Apparatus and method for authenticating hard copy documents with images | 01-Jan-2013 | Awaiting Examination | India |
| 42. | Creep Machine for Conducting Creep Tests in Flowing Liquid Sodium with Enhanced Safety Features | 12-Dec-2013 | 349533 | India |
| 43. | High Density Self Compacting Concrete and the method of preparing the same | 25-Jun-2014 | Under Examination | India |
| 44. | A Method for Diffusion Bonding of Piezoelectric Crystal to Metal Wear Plate | 23-Mar-2019 | Under Examination | PCT |
| 45. | Developing Protocol for Depositing Adhesive, Durable and Protective Layers of Homogenous Y2O3 coating on the Interior Surface of Quartz Tube by Solution Technique | 14-Nov-2019 | 366061 | India |
| 46. | Remotely Operated Self-Locking Fixture for Wall Mounted Equipment for Contaminated Enclosures | 16-Jan-2020 | 391338 | India |
| 47. | Leak Tight Flange and Gasket Assembly | 16-Jan-2020 | Awaiting Examination | India |
| 48. | Centrifugal Extractor with Solid Separation Part to Separate Solid Particles Present in Solvent Extraction Fluid | 03-Jun-2021 | Under Examination | PCT |