Butwell; Kenneth F.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Butwell; Kenneth F..The latest application filed is for "pressure swing adsorption process".
- Butwell; Kenneth F. - Newburgh NY
| Patent | Date |
|---|---|
| Claus feed gas hydrocarbon removal Grant 6,521,020 - Butwell , et al. February 18, 2 | 2003-02-18 |
| Pressure swing adsorption process Grant 6,497,750 - Butwell , et al. December 24, 2 | 2002-12-24 |
| Pressure swing adsorption process App 20020162452 - Butwell, Kenneth F. ; et al. | 2002-11-07 |
| Claus feed gas hydrocarbon removal App 20020134241 - Butwell, Kenneth F. ; et al. | 2002-09-26 |
| Selective removal of nitrogen from natural gas by pressure swing adsorption Grant 6,444,012 - Dolan , et al. September 3, 2 | 2002-09-03 |
| Selective removal of nitrogen from natural gas by pressure swing adsorption Grant 6,315,817 - Butwell , et al. November 13, 2 | 2001-11-13 |
| Selective removal of nitrogen from natural gas by pressure swing adsorption Grant 6,197,092 - Butwell , et al. March 6, 2 | 2001-03-06 |
| Mixed solvent system for treating acidic gas Grant 4,705,673 - Capobianco , et al. November 10, 1 | 1987-11-10 |
| Vapor-liquid contacting system Grant 4,297,329 - Sigmund , et al. October 27, 1 | 1981-10-27 |
| Vapor-liquid contacting system Grant 4,278,621 - Sigmund , et al. July 14, 1 | 1981-07-14 |
| Process for CO.sub.2 removal Grant 4,184,855 - Butwell , et al. January 22, 1 | 1980-01-22 |
| Process for the selective removal of sulfur dioxide from effluent gases Grant 3,904,735 - Atwood , et al. September 9, 1 | 1975-09-09 |
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