Hoffman; Cherish M.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hoffman; Cherish M..The latest application filed is for "process for extracting bitumen and drying the tailings".
- Hoffman; Cherish M. - Reno NV US
| Patent | Date |
|---|---|
| Methods for obtaining bitumen from bituminous materials Grant 9,023,197 - Kift , et al. May 5, 2 | 2015-05-05 |
| Process for extracting bitumen and drying the tailings Grant 8,968,556 - Kift , et al. March 3, 2 | 2015-03-03 |
| Methods for extracting bitumen from bituminous material Grant 8,877,044 - Duyvesteyn , et al. November 4, 2 | 2014-11-04 |
| Methods for obtaining bitumen from bituminous materials Grant 8,864,982 - Duyvesteyn , et al. October 21, 2 | 2014-10-21 |
| Process For Extracting Bitumen And Drying The Tailings App 20130206647 - Kift; Julian ; et al. | 2013-08-15 |
| Methods for Obtaining Bitumen from Bituminous Materials App 20130026076 - Kift; Julian ; et al. | 2013-01-31 |
| Methods for Extracting Bitumen From Bituminous Material App 20130026078 - Joshi; Mahendra ; et al. | 2013-01-31 |
| Methods and Apparatus for Bitumen Extraction App 20130026077 - Joshi; Mahendra ; et al. | 2013-01-31 |
| Methods and Apparatus for Bitumen Extraction App 20120152809 - Kift; Julian ; et al. | 2012-06-21 |
| Process for Extracting Bitumen and Drying the Tailings App 20120145603 - Kift; Julian ; et al. | 2012-06-14 |
| Process For Extracting Bitumen And Drying The Tailings App 20120145602 - Kift; Julian ; et al. | 2012-06-14 |
| Methods For Extracting Bitumen From Bituminous Material App 20110180459 - Duyvesteyn; Willem P.C. ; et al. | 2011-07-28 |
| Methods For Obtaining Bitumen From Bituminous Materials App 20110155648 - Duyvesteyn; Willem P.C. ; et al. | 2011-06-30 |
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