Roger P. Hoffman
33Patents
13h-index
3Co-inventors
70Inventor score
Filing activity: Mar 20, 1990 → Sep 27, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD484799S1 | Stackable carton | General | 42 | Expired |
| US6207242A | Laminated package with enhanced interior and exterior | Emerging Cross-Sectional Technologies | 36 | Expired |
| US6228215A | Method for countercurrent treatment of slurries | Emerging Cross-Sectional Technologies | 31 | Expired |
| US6157916A | Method and apparatus to control the operating speed of a papermaking facility | Physics | 30 | Expired |
| US5011741A | Linerboard containing recycled newsprint | Emerging Cross-Sectional Technologies | 26 | Expired |
| USD442084S | Container | General | 24 | Expired |
| USD442083S | Container | General | 21 | 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 |
| US7348067B1 | Composite paperboards and method of making composite paperboards | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5055161A | Multiple ply paper product containing an outer ply of reclaimed white office waste | Performing Operations; Transporting | 14 | Expired |
| US5061345A | Method of making a multiple ply paper product containing an outer ply of reclaimed white office waste | Textiles; Paper | 13 | Expired |
| USD485492S1 | Stackable carton | General | 11 | Expired |
| USD485177S1 | Stackable carton | General | 9 | Expired |
| USD442863S | Container | General | 8 | Expired |
| US5599426A | Method of washing pulp using a single endless support fabric | Performing Operations; Transporting | 6 | Expired |
| USD485176S1 | Stackable carton | General | 6 | Expired |
| USD484800S1 | Stackable carton | General | 4 | Expired |
| US5417809A | Water reuse system incorporating vacuum pump sealing water in a zero discharge process | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US6241848A | Method for processing recycled waste paper for integrated packaging | Emerging Cross-Sectional Technologies | 2 | 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 |
| US5643413A | Multi-ply paper product and method of making the same | Emerging Cross-Sectional Technologies | 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 |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.