John Dewar
8Patents
4h-index
14Co-inventors
54Inventor score
Filing activity: Feb 25, 1994 → May 16, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7578347B2 | Method of sealing an annular space in a wellbore | Emerging Cross-Sectional Technologies | 35 | Expired |
| US5531505A | Head restraint for passenger vehicles | Performing Operations; Transporting | 29 | Expired |
| US9732578B2 | Downhole sealing assembly with swellable seal | Emerging Cross-Sectional Technologies | 15 | Active |
| US8025102B2 | Wellbore delivery apparatus | Fixed Constructions | 7 | Active |
| US7546886B2 | Method of creating a borehole in an earth formation | Fixed Constructions | 4 | Expired |
| US8727027B2 | Downhole seal | Fixed Constructions | 2 | Active |
| US8833473B2 | Sealing assembly | Emerging Cross-Sectional Technologies | 0 | Active |
| US11518969B2 | Waste beer recovery | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.