| IN222211: An improved process for the extraction of zinc from sikkim zinc concentrate | December 26, 2022 | 03/28/2002 |
| IN240839: An improved process for the fractionation of hard microcrystalline waxes to produce different melting grade waxes | December 26, 2022 | 03/28/2002 |
| IN244612: An improved process for the isolation of Withaferin-A from plant materials | December 26, 2022 | 03/31/2005 |
| IN267586: An equipment for collecting an unbiased coal sample from open railway wagons for quality analysis | December 26, 2022 | 09/14/2004 |
| IN220338: An equipment for the remote detection of trapped animate subjects | December 26, 2022 | 03/21/2002 |
| IN290418: An improved catalytic process for the preparation of epoxides from alkeness | December 26, 2022 | 06/30/2005 |
| IN265976: An improved continuous circular cutting machine useful for cutting lemon and other similar fruits | December 26, 2022 | 03/19/2004 |
| IN249982: An improved device for continuous extraction of sugarcane juice | December 26, 2022 | 03/19/2004 |
| IN226241: An improved device for making dosas and other similar products | December 26, 2022 | 03/21/2002 |
| IN248772: An improved device for pneumatic extrusion of dough into sheet or strands | December 26, 2022 | 03/22/2004 |