Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6210527 | Pulp bleaching method wherein an ozone bleaching waste stream is scrubbed to form an oxygen containing stream | Rustam H. Sethna | 2001-04-03 |
| 5972165 | Method of producing oxidized white liquor using dregs containing carbon particles | Rustam H. Sethna | 1999-10-26 |
| 5772717 | Tempering method using a two phase flow of cryogen | Hamdi Kozlu, Michael K. Sahm | 1998-06-30 |
| 5729983 | Storage of perishable foodstuffs | Michael E. Garrett, Richard Tomlins, John Robert Coates, Michael John Heywood, Trevor Dane Hudson | 1998-03-24 |
| 5591308 | Wood pulp reactor | Rustam H. Sethna | 1997-01-07 |
| 5460696 | Oxygen delignification method incorporating wood pulp mixing apparatus | Rustam H. Sethna | 1995-10-24 |
| 5438845 | Refrigeration device | Ron C. Lee | 1995-08-08 |
| 5439556 | Oxidation of white liquor using a packing column | Rustam H. Sethna, Richard W. Potthoff | 1995-08-08 |
| 5349828 | Conveyor belt cleaning apparatus for food freezing | Ron C. Lee | 1994-09-27 |
| 5302412 | Single atmosphere for firing compatible thick film material | Satish S. Tamhankar | 1994-04-12 |
| 5242535 | Method of forming a copper circuit pattern | Satish S. Tamhaukar, Edward Chang, Richard Paciej | 1993-09-07 |
| 5230846 | Method for preparing multilayered ceramic with internal copper conductor | Satish S. Tamhankar | 1993-07-27 |
| 5218826 | Food refrigeration system and method incorporating a cryogenic heat transfer apparatus and method | William Kulik, Rustam H. Sethna, Ron C. Lee | 1993-06-15 |
| 5213725 | Apparatus and method for cooling an extruded blown film | Ron C. Lee | 1993-05-25 |
| 5101636 | Cryogen delivery apparatus and method for regulating the cooling potential of a flowing cryogen | Ron C. Lee | 1992-04-07 |
| 5076487 | Process for reflow soldering | Nikhiles Bandyopadhyay | 1991-12-31 |
| 5018358 | Cryogen delivery apparatus | Ron C. Lee | 1991-05-28 |
| 4888037 | Glass to metal sealing process | Nikhiles Bandyopadhyay, Satish S. Tamhankar | 1989-12-19 |
| 4198266 | Oxygen delignification of wood pulp | Bradley S. Kirk | 1980-04-15 |