Issued Patents All Time
Showing 26–50 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7563384 | Essentially non-flammable low global warming compositions | Hang T. Pham, Rajiv R. Singh | 2009-07-21 |
| 7534366 | Compositions containing fluorine substituted olefins | Rajiv R. Singh, Hang T. Pham, David P. Wilson, Ian Shankland | 2009-05-19 |
| 7174742 | Combined method and apparatus for recovering and reclaiming refrigerant, solvent flushing, and refrigerant recharging | Kane D. Cook, Guillermo Hitters, Gary Knopeck, Raymond Chia | 2007-02-13 |
| 7098176 | Azeotrope-like compositions of tetrafluoropropene and pentafluoropropene | Rajiv R. Singh, Hang T. Pham, David P. Wilson, David Nalewajek | 2006-08-29 |
| 6972271 | Supported catalyst systems | Roy P. Robinson, David Nalewajek, Kane D. Cook | 2005-12-06 |
| 6969701 | Azeotrope-like compositions of tetrafluoropropene and trifluoroiodomethane | Rajiv R. Singh, Hang T. Pham, David P. Wilson | 2005-11-29 |
| 6893995 | Supported catalyst systems | Roy P. Robinson, David Nalewajek, Kane D. Cook | 2005-05-17 |
| 6640841 | Method of introducing refrigerants into refrigeration systems | Roy P. Robinson, Rajiv R. Singh, David P. Wilson | 2003-11-04 |
| 6589355 | Cleaning processes using hydrofluorocarbon and/or hydrochlorofluorocarbon compounds | Rajiv R. Singh, Kane D. Cook, Gary Knopeck, Robert S. Wedinger | 2003-07-08 |
| 6589444 | Process for separating water from chemical mixtures | Roy Philip Robinson, David J. Williams, Peter B. Logsdon | 2003-07-08 |
| 6526764 | Hydrofluorocarbon refrigerant compositions soluble in lubricating oil | Rajiv R. Singh, David P. Wilson, Robert G. Richard | 2003-03-04 |
| 6516837 | Method of introducing refrigerants into refrigeration systems | Roy P. Robinson, Rajiv R. Singh, David P. Wilson | 2003-02-11 |
| 6162304 | Cleaning vapor compression systems | David Lee Weidman, George W. McDonough, Ian Shankland, Roy P. Robinson, Ellen L. Swan | 2000-12-19 |
| 6101818 | Process for separating water from chemical mixtures | Rajiv R. Singh, Jeffrey Warren McKown, Roy P. Robinson, Stephen A. Cottrell | 2000-08-15 |
| 6099694 | Azeotrope-like compositions of difluoromethane and chlorine | Hang T. Pham, Rajiv R. Singh, Addison M. Smith, David P. Wilson, Gustavo Cerri | 2000-08-08 |
| 6079482 | Clathrate forming medium and its use in thermal energy storage systems and processes for thermal energy storage and transfer | Rajiv R. Singh, D. P. Wilson, R. Bruce Robinson | 2000-06-27 |
| 5778685 | Clathrate forming medium and its use in thermal energy storage systems and processes for thermal energy storage and transfer | Rajiv R. Singh, D. P. Wilson, R. Bruce Robinson | 1998-07-14 |
| 5728315 | Azeotrope-like compositions of trifluoromethane, carbon dioxide, ethane and hexafluoroethane | Rajiv R. Singh, Ian Shankland, Roy P. Robinson, Hang T. Pham, Peter B. Logsdon | 1998-03-17 |
| 5534176 | Refrigeration lubricants prepared by polymerizing alkene having a perfluoroalkyl group on one end thereof | David Nalewajek, Richard E. Eibeck | 1996-07-09 |
| 5454966 | Stabilized chlorine-containing refrigeration compositions | Ruth H. Chen, Kenneth Harris | 1995-10-03 |
| 5380449 | Stabilized dichlorotrifluoroethane refrigeration compositions | Ruth H. Chen, Kenneth Harris | 1995-01-10 |
| 5378385 | Partially fluorinated silicone refrigeration lubricants | David P. Wilson, Hang T. Pham, John W. Pelava | 1995-01-03 |
| 5340490 | Azeotrope-like compositions of trifluoromethane and carbon dioxide or hexafluoroethane and carbon dioxide | Barbara Ruth Decaire, Peter B. Logsdon, Earl A. E. Lund, Ian Shankland, Rajiv R. Singh +1 more | 1994-08-23 |
| 5254280 | Refrigeration compositions having polyoxyalkylene glycols with alkylene groups having at least 4 carbon atoms therein | David Nalewajek, Hang T. Pham, David P. Wilson | 1993-10-19 |
| 5185089 | Lubricants useful with 1,1-dichloro-2,2,2-trifluoroethane | Ruth H. Chen, Hang T. Pham, David P. Wilson | 1993-02-09 |