Stevens; David K.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Stevens; David K..The latest application filed is for "method and consolidated apparatus for recovery of sulfur from acid gases".

Company Profile

0.5.6

Stevens; David K. - Prairie Village KS
Stevens; David K. - Stilwell KS
Stevens; David K. - Stillwell KS
Stevens; David K. - Jenison MI

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method and apparatus for degasification of claus-derived sulfur Grant 8,084,013 - Tonjes , et al. December 27, 2	2011-12-27
Method and Consolidated Apparatus for Recovery of Sulfur from Acid Gases App 20110171115 - Stevens; David K. ; et al.	2011-07-14
Method for producing hydrogen Grant 7,931,889 - Clark , et al. April 26, 2	2011-04-26
Method and Apparatus for Degasification of Claus-Derived Sulfur App 20110020212 - Tonjes; Mark R. ; et al.	2011-01-27
Method for producing hydrogen App 20100123099 - Clark; Peter D. ; et al.	2010-05-20
Method for reducing the H2S content of an H2S-containing subterranean formation App 20100108315 - Stevens; David K. ; et al.	2010-05-06
Method for energy recovery from hydrogen sulfide Grant 7,282,193 - Clark , et al. October 16, 2	2007-10-16
Method for energy recovery from hydrogen sulfide App 20070025900 - Clark; Peter D. ; et al.	2007-02-01
Method and system for increasing the absorption selectivity of H2S from a gas containing CO2 and H2S Grant 6,884,282 - Stevens , et al. April 26, 2	2005-04-26
Method and system for increasing the absorption selectivity of H2S from a gas containing CO2 and H2S App 20030213363 - Stevens, David K. ; et al.	2003-11-20
Accumulation live roller conveyor Grant 4,164,998 - DeGood , et al. August 21, 1	1979-08-21

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