Melvyn F. Whitby
24Patents
10h-index
26Co-inventors
75Inventor score
Filing activity: Feb 24, 1986 → Jun 2, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4715456A | Slips for well pipe | Fixed Constructions | 83 | Expired |
| US5400857A | Oilfield tubular shear ram and method for blowout prevention | Emerging Cross-Sectional Technologies | 71 | Expired |
| US5575452A | Blowout preventer with ram wedge locks | Fixed Constructions | 54 | Expired |
| US5505426A | Hydraulically controlled blowout preventer | Fixed Constructions | 50 | Expired |
| US5025708A | Actuator with automatic lock | Fixed Constructions | 47 | Expired |
| US7921917B2 | Multi-deployable subsea stack system | Fixed Constructions | 35 | Active |
| US7300033B1 | Blowout preventer operator locking system | Fixed Constructions | 27 | Active |
| US5918851A | Blowout preventer ram automatic locking system | Fixed Constructions | 23 | Expired |
| US6719262B2 | Bidirectional sealing blowout preventer | Fixed Constructions | 22 | Expired |
| US7374146B2 | Dual-cylinder blowout preventer operator system | Fixed Constructions | 15 | Active |
| US9140090B2 | Subsea pressure reduction system | Mechanical Engineering; Lighting; Heating | 10 | Active |
| US8640775B2 | Multi-deployable subsea stack system | Fixed Constructions | 10 | Active |
| US9222326B2 | Subsea pressure delivery system | Mechanical Engineering; Lighting; Heating | 8 | Active |
| US10233716B2 | Blowout preventer including blind seal assembly | Mechanical Engineering; Lighting; Heating | 8 | Active |
| US7338027B1 | Fluid saving blowout preventer operator system | Fixed Constructions | 8 | Active |
| US8365830B2 | Multi-deployable subsea stack system | Fixed Constructions | 7 | Active |
| US9957768B2 | Subsea pressure reduction system | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US8733090B2 | Methods and systems for subsea electric piezopumps | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US7533865B2 | Blowout preventer operator locking system | Fixed Constructions | 3 | Active |
| US7559523B2 | Dual-cylinder blowout preventer operator system | Fixed Constructions | 2 | Active |
| US9822604B2 | Pressure variance systems for subsea fluid injection | Chemistry; Metallurgy | 1 | Active |
| US7637474B2 | Fluid saving blowout preventer operator system | Fixed Constructions | 0 | Active |
| US9789932B2 | System and method for installing suction piles | Fixed Constructions | 0 | Active |
| US10487950B2 | Blowout preventer having rotation-operated portion | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.