Lawrence E. Wells
19Patents
7h-index
21Co-inventors
66Inventor score
Filing activity: Feb 23, 1982 → Aug 22, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8590762B2 | Staple cartridge cavity configurations | Emerging Cross-Sectional Technologies | 2,175 | Active |
| US7665530B2 | Tubular grippers and top drive systems | Fixed Constructions | 37 | Active |
| US7748473B2 | Top drives with shaft multi-seal | Fixed Constructions | 23 | Active |
| US7287544B2 | Triple valve blow out preventer | Emerging Cross-Sectional Technologies | 23 | Expired |
| USD572119S1 | Support bail | General | 16 | Expired |
| US7401664B2 | Top drive systems | Fixed Constructions | 10 | Active |
| US8752653B2 | Dual ball upper internal blow out preventer valve | Emerging Cross-Sectional Technologies | 8 | Active |
| US4425827A | Suspension of pipe spinner | Fixed Constructions | 6 | Expired |
| US7121295B2 | Internal blow out preventer ball and seat | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4478111A | Suspension of adjustable pipe spinner | Fixed Constructions | 5 | Expired |
| US7748445B2 | Top drive with shaft seal isolation | Fixed Constructions | 4 | Active |
| US7784565B2 | Top drive systems with main shaft deflecting sensing | Fixed Constructions | 3 | Active |
| US8448320B2 | Clamp apparatus for threadedly connected tubulars | Emerging Cross-Sectional Technologies | 2 | Active |
| US7735565B2 | Dual-saddle ear support apparatus | Fixed Constructions | 2 | Active |
| US7784535B2 | Top drive systems with reverse bend bails | Fixed Constructions | 2 | Active |
| US9249902B2 | Sealing system | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US7784834B2 | Clamp apparatus for threadedly connected tubulars | Emerging Cross-Sectional Technologies | 1 | Active |
| US9452535B2 | Self-aligning pipe gripping assembly and method of making and using the same | Fixed Constructions | 0 | Active |
| US10081110B2 | Self-aligning pipe gripping assembly and method of making and using the same | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.