Hoffman Environmental System, Inc.
10Patents
0Active
10Granted
31Portfolio score
Filing activity: Aug 31, 1994 → Dec 3, 1998
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6207242A | Laminated package with enhanced interior and exterior | Emerging Cross-Sectional Technologies | 36 | Expired |
| US5762758A | Method of papermaking having zero liquid discharge | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5882746A | Laminated package and method of producing the same | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6071380A | Method of papermaking having zero liquid discharge | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5599426A | Method of washing pulp using a single endless support fabric | Performing Operations; Transporting | 6 | Expired |
| US5417809A | Water reuse system incorporating vacuum pump sealing water in a zero discharge process | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US6099674A | Laminated package and method of producing the same | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5753074A | Method of washing a thin mat of cellulosic pulp | Performing Operations; Transporting | 1 | Expired |
| US5500084A | Method and apparatus for pulping cellulosic material using a vessel with an impergnation zone and an attrition zone | Textiles; Paper | 1 | Expired |
| US5643413A | Multi-ply paper product and method of making the same | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.