Zimpro Inc.
9Patents
0Active
9Granted
29Portfolio score
Filing activity: Jul 26, 1982 → Feb 2, 1987
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4626354A | Method for anaerobic treatment of high strength liquors | Emerging Cross-Sectional Technologies | 49 | Expired |
| US4778598A | Separation of ash from regenerated adsorbent | Chemistry; Metallurgy | 22 | Expired |
| US4517906A | Method and apparatus for controlling auxiliary fuel addition to a pyrolysis furnace | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US4524049A | Process for concurrent steam generation and metal recovery | Chemistry; Metallurgy | 16 | Expired |
| US4693827A | Process for protection of biological nitrification systems | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4693831A | Rise-rate control of pulsed-bed granular medium filters | Performing Operations; Transporting | 11 | Expired |
| US4735729A | Ash concentration and disposal method | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4505210A | Multiple hearth furnace chamber | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US4620563A | Blowdown pot for a reactor | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.