David E. O'Ryan
12Patents
9h-index
15Co-inventors
65Inventor score
Filing activity: Jun 21, 1984 → Jun 10, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4927346A | Apparatus for depositing particulate material into a pad of fibrous material in a forming chamber | Performing Operations; Transporting | 54 | Expired |
| US5017324A | Method for depositing particulate material into a pad of fibrous material in a forming chamber | Performing Operations; Transporting | 44 | Expired |
| US4630777A | Powder spray gun | Performing Operations; Transporting | 26 | Expired |
| US4561380A | Method and apparatus for powder coating a moving web | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5766355A | Exhaust arrangements for powder spray booth | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4634058A | Powder spray gun | Performing Operations; Transporting | 16 | Expired |
| US4613083A | Adjustable powder spray gun | Performing Operations; Transporting | 14 | Expired |
| US5782943A | Integrated powder collection system for paint spray booths | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6471737B2 | Underbooth powder paint collector | Emerging Cross-Sectional Technologies | 9 | Expired |
| US7258784B2 | Solid liquid filtration apparatus and method | Performing Operations; Transporting | 7 | Expired |
| US5603566A | Powder hopper with internal air assist | Performing Operations; Transporting | 5 | Expired |
| USRE33482E | Adjustable powder spray gun | General | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.