Mackenzie; Harold B.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Mackenzie; Harold B..The latest application filed is for "municipal solid waste material sorting trommel system".
- Mackenzie; Harold B. - Wheaton IL
| Patent | Date |
|---|---|
| Municipal solid waste material sorting trommel system Grant 5,009,370 - Mackenzie April 23, 1 | 1991-04-23 |
| Fuel handling, metering and preparation apparatus and method Grant 4,099,473 - Mackenzie , et al. July 11, 1 | 1978-07-11 |
| Electrostatic separation of plastic film from shredded waste Grant 4,092,241 - Mackenzie , et al. May 30, 1 | 1978-05-30 |
| Multi-stage pneumatic municipal solid waste separation and recovery of a plurality of classifications Grant 4,044,695 - Mackenzie , et al. August 30, 1 | 1977-08-30 |
| High yield refuse separation system Grant 3,904,515 - MacKenzie , et al. September 9, 1 | 1975-09-09 |
| Pneumatic Refuse Material Separation System Grant 3,833,117 - Mackenzie , et al. September 3, 1 | 1974-09-03 |
| Method Of And Means For Classification Of Heterogeneous Shredded Refuse Materials Grant 3,738,483 - MacKenzie June 12, 1 | 1973-06-12 |
| Discrete Material Transporting And Dumping Apparatus Grant 3,720,328 - Mackenzie March 13, 1 | 1973-03-13 |
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