Charles A. Allen
13Patents
7h-index
19Co-inventors
63Inventor score
Filing activity: May 23, 1975 → Sep 23, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6652654B1 | System configured for applying multiple modifying agents to a substrate | Performing Operations; Transporting | 17 | Expired |
| US3999582A | Method and apparatus for processing and harvesting trees | Human Necessities | 16 | Expired |
| US4025344A | Lithographic developer replenishment process | Physics | 13 | Expired |
| US4617884A | Torsional vibration isolator and method | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4926809A | Internal combustion engine with rotary valve | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US6495204B1 | Methods for modifying monofilaments, bundles of monofilaments, and fibrous structural material | Textiles; Paper | 9 | Expired |
| USH1309H | Phosphazene polymer containing composites and method for making | General | 8 | Active |
| US4749489A | Polyphosphazene semipermeable membranes | Performing Operations; Transporting | 7 | Expired |
| US6962731B2 | System configured for applying multiple modifying agents to a substrate | Performing Operations; Transporting | 4 | Expired |
| US6623686B1 | System configured for applying a modifying agent to a non-equidimensional substrate | Performing Operations; Transporting | 2 | Expired |
| US4346390A | Solid state recorder | Physics | 2 | Expired |
| US4306879A | Chemical logging of geothermal wells | Physics | 2 | Expired |
| US7241340B2 | System configured for applying a modifying agent to a non-equidimensional substrate | Performing Operations; Transporting | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.