Sifleet; William L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sifleet; William L..The latest application filed is for "carbon blacks having low pah amounts and methods of making same".
- Sifleet; William L. - Clinton MA US
- Sifleet; William L. - Acton MA
| Patent | Date |
|---|---|
| Carbon blacks having low PAH amounts and methods of making same Grant 8,710,136 - Yurovskaya , et al. April 29, 2 | 2014-04-29 |
| Carbon Blacks Having Low PAH Amounts And Methods Of Making Same App 20110313094 - Yurovskaya; Irina S. ; et al. | 2011-12-22 |
| Carbon blacks having low PAH amounts and methods of making same Grant 8,034,316 - Yurovskaya , et al. October 11, 2 | 2011-10-11 |
| Carbon black and multi-stage process for making same Grant 7,829,057 - Kutsovsky , et al. November 9, 2 | 2010-11-09 |
| Methods of providing product consistency Grant 7,776,602 - Reznek , et al. August 17, 2 | 2010-08-17 |
| Carbon Blacks Having Low PAH Amounts and Methods of Making Same App 20080159947 - Yurovskaya; Irina S. ; et al. | 2008-07-03 |
| Heat exchanger Grant 7,328,738 - Green , et al. February 12, 2 | 2008-02-12 |
| Carbon black and multi-stage process for making same App 20070104636 - Kutsovsky; Yakov E. ; et al. | 2007-05-10 |
| Carbon black and multi-stage process for making same App 20050249657 - Kutsovsky, Yakov E. ; et al. | 2005-11-10 |
| Methods of providing product consistency App 20040197923 - Reznek, Steven R. ; et al. | 2004-10-07 |
| Heat exchanger App 20040081609 - Green, Martin C. ; et al. | 2004-04-29 |
| Heat exchanger Grant 6,585,949 - Green , et al. July 1, 2 | 2003-07-01 |
| Carbon blacks Grant 6,156,837 - Branan, Jr. , et al. December 5, 2 | 2000-12-05 |
| Low ash carbon blacks Grant 5,352,289 - Weaver , et al. October 4, 1 | 1994-10-04 |
| Carbon blacks imparting superior treadwear/hysteresis performance and process for producing carbon blacks Grant 5,288,788 - Shieh , et al. February 22, 1 | 1994-02-22 |
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