Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11241854 | Compactor system and related baling and recycling method | Drew Sigmund, Jr., Matthew Perry | 2022-02-08 |
| 11162834 | Weight-measurement retrofitting for waste compactors | Drew Sigmund, Jr. | 2021-11-02 |
| 11148383 | Weight-measurement retrofitting for recyclable-waste balers | Drew Sigmund, Jr. | 2021-10-19 |
| 10564029 | Waste container with weight-measurement system | Drew Sigmund, Jr., Matt Hatfield, Matthew Perry | 2020-02-18 |
| 10377518 | Compactor system and related baling and recycling method | Drew Sigmund, Jr., Matthew Perry | 2019-08-13 |
| 4952456 | Epoxide advancement | Ronald Metcalfe | 1990-08-28 |
| 4543105 | Modification of liquid hydrocarbons | John S. Roberts | 1985-09-24 |
| 4482372 | Fluid fertilizer composition | Derek A. Palgrave, James D. Birchall, John Cooper, James A. Enever | 1984-11-13 |
| 4452610 | Modified liquid hydrocarbons | — | 1984-06-05 |
| 4453261 | Manufacture of aqueous polymer dispersions and coating compositions derived from them | Julian A. Waters | 1984-06-05 |
| 4442272 | Production of copolymers using shortstop agent at end of polymerization | Herbert Brooks | 1984-04-10 |
| 4356003 | Copolymers | Herbert Brooks | 1982-10-26 |
| 4334891 | Modification of liquid hydrocarbons | Herbert Brooks | 1982-06-15 |
| 4331490 | Ammonium nitrate slurry compositions | Derek A. Palgrave, James D. Birchall, John Cooper, James A. Enever | 1982-05-25 |
| 4292045 | Modification of liquid hydrocarbons | Herbert Brooks | 1981-09-29 |
| 4265406 | Comminution process | Derek A. Palgrave, James D. Birchall, John Cooper, James A. Enever | 1981-05-05 |