Klass; Donald L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Klass; Donald L..The latest application filed is for "gas sweetening by membrane permeation".
- Klass; Donald L. - Barrington IL
| Patent | Date |
|---|---|
| Gas sweetening by membrane permeation Grant 4,561,864 - Klass , et al. December 31, 1 | 1985-12-31 |
| Methane production from and beneficiation of anaerobic digestion of aquatic plant material Grant 4,424,064 - Klass , et al. January 3, 1 | 1984-01-03 |
| Stabilized gasoline-alcohol fuel compositions Grant 4,384,872 - Kester , et al. May 24, 1 | 1983-05-24 |
| Methane production from and beneficiation of anaerobic digestion of plant material and organic waste Grant 4,329,428 - Ghosh , et al. May 11, 1 | 1982-05-11 |
| Two phase anaerobic digester system Grant 4,318,993 - Ghosh , et al. March 9, 1 | 1982-03-09 |
| Anaerobic digestion of waste and biomass by use of lactobacillus culture additives Grant 4,314,904 - Fedde , et al. February 9, 1 | 1982-02-09 |
| Removal of sulfur dioxide from waste gases Grant 4,208,387 - Klass , et al. June 17, 1 | 1980-06-17 |
| Method of gas production from geopressurized geothermal brines Grant 4,171,017 - Klass October 16, 1 | 1979-10-16 |
| Storage of fuel gas Grant 4,147,456 - Klass April 3, 1 | 1979-04-03 |
| Two phase anaerobic digestion Grant 4,022,665 - Ghosh , et al. May 10, 1 | 1977-05-10 |
| Anaerobic digestion with liberated enzyme biomass fractions Grant 3,994,780 - Klass , et al. November 30, 1 | 1976-11-30 |
| Selective Solid-state Gas Sensors And Method Grant 3,864,628 - Klass , et al. February 4, 1 | 1975-02-04 |
| Separation Of Methane And Nitrogen Mixtures Under Non-steadystate Conditions Grant 3,797,200 - Klass , et al. March 19, 1 | 1974-03-19 |
| Odorization Method And Apparatus Grant 3,634,053 - Klass , et al. January 11, 1 | 1972-01-11 |
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