Loren B. Sheldon
8Patents
6h-index
6Co-inventors
48Inventor score
Filing activity: Feb 6, 1975 → Apr 4, 1979
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4042123A | Automated pipe handling system | Fixed Constructions | 111 | Expired |
| US4202225A | Power tongs control arrangement | Fixed Constructions | 68 | Expired |
| US4187546A | Computer-controlled oil drilling rig having drawworks motor and brake control arrangement | Fixed Constructions | 39 | Expired |
| US4139891A | Elevator load control arrangement for a computer-controlled oil drilling rig | Fixed Constructions | 29 | Expired |
| US4128888A | Velocity control arrangement for a computer-controlled oil drilling rig | Fixed Constructions | 23 | Expired |
| US4119837A | Block position and speed transducer for a computer-controlled oil drilling rig | Physics | 6 | Expired |
| US4163401A | Electro-hydraulic interface for a power tongs | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4327261A | Apparatus for sensing a distended location on a drill pipe | Electricity | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.