Brian Harper
9Patents
8h-index
3Co-inventors
58Inventor score
Filing activity: Nov 18, 1985 → Feb 1, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6481762B1 | Pipe coupling | Mechanical Engineering; Lighting; Heating | 58 | Expired |
| US5476292A | Pipe couplings | Emerging Cross-Sectional Technologies | 52 | Expired |
| US4824627A | Method of making a molded plastic product | Emerging Cross-Sectional Technologies | 37 | Expired |
| US5507473A | Guard rail post | Fixed Constructions | 30 | Expired |
| US4738808A | Method of forming articles from a plastic material | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4626189A | Method and machine for forming articles from a plastic material | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4797237A | Method for recycling a beverage container | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6086111A | Pipe coupling | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US5482663A | Cylindrical body and method and apparatus for making same | Emerging Cross-Sectional Technologies | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.