Adam Spence
5Patents
2h-index
4Co-inventors
44Inventor score
Filing activity: Nov 17, 1978 → Feb 3, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4268089A | Mounting means for pick on mining drum vane | Fixed Constructions | 68 | Expired |
| US8666378B2 | Mobile device applications for computer-telephony systems | Electricity | 7 | Active |
| US4274765A | Mining equipment | Fixed Constructions | 2 | Expired |
| US4298231A | Apparatus for use in under-ground long wall mine workings | Fixed Constructions | 1 | Expired |
| US8838081B2 | Mobile device applications for computer-telephony systems | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.