Hakka; Leo E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hakka; Leo E..The latest application filed is for "method and apparatus for nox and hg removal".
- Hakka; Leo E. - Dollard des Ormeaux CA
- Hakka; Leo E. - Montreal CA
- Hakka; Leo E. - Dollard des Orueaux CA
- Hakka; Leo E - Dollard des Ormeaux CA
- Hakka; Leo E. - Montreal-East CA
| Patent | Date |
|---|---|
| Method and apparatus for NO.sub.x and Hg removal Grant 7,416,582 - Hakka , et al. August 26, 2 | 2008-08-26 |
| Method and apparatus for NOx and Hg removal App 20080044333 - Hakka; Leo E. ; et al. | 2008-02-21 |
| Low energy regenerable SO.sub.2 scrubbing process Grant 7,214,358 - Ravary , et al. May 8, 2 | 2007-05-08 |
| Method for recovery of CO2 from gas streams Grant 7,056,482 - Hakka , et al. June 6, 2 | 2006-06-06 |
| Method and apparatus for NOx and Hg removal App 20060021506 - Hakka; Leo E. ; et al. | 2006-02-02 |
| Method and apparatus for NOx and SO2 removal Grant 6,872,371 - Hakka , et al. March 29, 2 | 2005-03-29 |
| Low energy regenerable SO2 scrubbing process App 20050034600 - Ravary, Patrick M. ; et al. | 2005-02-17 |
| Method for recovery of CO2 from gas streams App 20040253159 - Hakka, Leo E. ; et al. | 2004-12-16 |
| Method and apparatus for NOx and SO2 removal App 20030026744 - Hakka, Leo E. ; et al. | 2003-02-06 |
| Process for converting heat stable amine salts to heat regenerable amine salts Grant 5,292,407 - Roy , et al. March 8, 1 | 1994-03-08 |
| Removal of sulfur dioxide from gas streams Grant 5,202,103 - Chang , et al. April 13, 1 | 1993-04-13 |
| Removal and recovery of sulphur dioxide from gas streams Grant 5,019,361 - Hakka May 28, 1 | 1991-05-28 |
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