John Martyn Greig
6Patents
6h-index
2Co-inventors
49Inventor score
Filing activity: Mar 30, 1979 → Dec 27, 1996
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6345431B1 | Joining thermoplastic pipe to a coupling | Emerging Cross-Sectional Technologies | 106 | Expired |
| US5824179A | Method of joining reinforced thermoplastic pipes | Performing Operations; Transporting | 24 | Expired |
| US5127116A | Pipe joint | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4293147A | Method and apparatus for securing a pipe to a fitting | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4954299A | Structures of plastics material | Performing Operations; Transporting | 17 | Expired |
| US5888331A | Joining bodies of thermoplastic material | Performing Operations; Transporting | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.