Brian Hart
21Patents
8h-index
13Co-inventors
72Inventor score
Filing activity: Nov 30, 1989 → May 25, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5992527A | Wellhead assembly | Fixed Constructions | 72 | Expired |
| US4998756A | Adjustable connection apparatus | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US6231027A | High torque rotating actuator | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5722941A | Pneumatic ambulatory traction device | Human Necessities | 14 | Expired |
| US7399416B2 | Reactive filtration | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6138751A | Hanger assembly | Fixed Constructions | 11 | Expired |
| US8905423B2 | Convertible trailer and storage basket | Performing Operations; Transporting | 11 | Active |
| US7713423B2 | Reactive filtration | Emerging Cross-Sectional Technologies | 10 | Active |
| US7744764B2 | Reactive filtration | Chemistry; Metallurgy | 8 | Active |
| US5404832A | Wellhead connector | Fixed Constructions | 8 | Expired |
| US6176316A | Subsea well head assembly | Fixed Constructions | 8 | Expired |
| US5330201A | Sealing assembly | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US9382771B2 | Sealing mechanism for subsea capping system | Fixed Constructions | 2 | Active |
| US8875782B2 | Oil field system for through tubing rotary drilling | Fixed Constructions | 1 | Active |
| USD1028728S1 | Collapsible container | General | 1 | Active |
| USRE44570E1 | Reactive filtration | General | 1 | Active |
| US9382772B2 | Subsea test tree intervention package | Fixed Constructions | 0 | Active |
| US10125578B2 | Subsea test tree intervention package | Fixed Constructions | 0 | Active |
| US11167892B2 | Collapsible leakproof container | Performing Operations; Transporting | 0 | Active |
| US9062512B2 | Integrated installation workover control system | Fixed Constructions | 0 | Active |
| US9068422B2 | Sealing mechanism for subsea capping system | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.