Tri C. Le
18Patents
13h-index
21Co-inventors
78Inventor score
Filing activity: Dec 13, 1982 → Feb 1, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5505426A | Hydraulically controlled blowout preventer | Fixed Constructions | 50 | Expired |
| US6930048B1 | Etching a metal hard mask for an integrated circuit structure | Electricity | 38 | Expired |
| US6719042B2 | Shear ram assembly | Fixed Constructions | 37 | Expired |
| US5064164A | Bop seal with improved metal inserts | Fixed Constructions | 30 | Expired |
| US5199683A | Blowout preventer opening mechanism | Emerging Cross-Sectional Technologies | 29 | Expired |
| US7195224B2 | Blowout preventer and locking mechanism | Mechanical Engineering; Lighting; Heating | 29 | Expired |
| US4516752A | Mechanically preloaded packing assembly | Mechanical Engineering; Lighting; Heating | 28 | Expired |
| US4535967A | Expanding gate valve with fluid-powered actuator | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US5114158A | Packing assembly for oilfield equipment and method | Fixed Constructions | 20 | Expired |
| US6630407B2 | Plasma etching of organic antireflective coating | Electricity | 20 | Expired |
| US4556224A | Crossover seal assembly | Fixed Constructions | 17 | Expired |
| US4650225A | Hydraulic holddown screw with mechanical retention means | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4650226A | Holddown screw | Fixed Constructions | 14 | Expired |
| US4468039A | Packing ring cartridge with adjusting screws | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US4407516A | Pressure energized sealing connection with annular seal ring | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5011110A | BOP seal with improved metal inserts | Fixed Constructions | 10 | Expired |
| US5158264A | Parallel expanding gate valve | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US4575106A | High pressure sealing connection with metal seal | Mechanical Engineering; Lighting; Heating | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.