Don C. Cox
29Patents
17h-index
29Co-inventors
81Inventor score
Filing activity: Apr 7, 1977 → Aug 14, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6585046B2 | Live well heater cable | Fixed Constructions | 225 | Expired |
| US5564503A | Methods and systems for subterranean multilateral well drilling and completion | Mechanical Engineering; Lighting; Heating | 108 | Expired |
| US5735350A | Methods and systems for subterranean multilateral well drilling and completion | Mechanical Engineering; Lighting; Heating | 98 | Expired |
| US6328111A | Live well deployment of electrical submersible pump | Fixed Constructions | 81 | Expired |
| US4655291A | Injector for coupled pipe | Fixed Constructions | 78 | Expired |
| US4515220A | Apparatus and method for rotating coil tubing in a well | Fixed Constructions | 69 | Expired |
| US4181149A | Quick disconnect rotary valve coupling | Emerging Cross-Sectional Technologies | 66 | Expired |
| US5180014A | System for deploying submersible pump using reeled tubing | Fixed Constructions | 39 | Expired |
| US6143988A | Coiled tubing supported electrical cable having indentations | Electricity | 38 | Expired |
| US6361342B1 | Pothead with pressure energized lip seals | Electricity | 34 | Expired |
| US5156206A | Tubing connector | Mechanical Engineering; Lighting; Heating | 30 | Expired |
| US5361834A | Hydraulic release apparatus and method for retrieving a stuck downhole tool and moving a downhole tool longitudinally | Fixed Constructions | 29 | Expired |
| US4576254A | Hydraulically actuated slip assembly | Emerging Cross-Sectional Technologies | 26 | Expired |
| US6443780B2 | Conductor assembly for pothead connector | Electricity | 25 | Expired |
| US7610964B2 | Positive displacement pump | Fixed Constructions | 24 | Active |
| US5821452A | Coiled tubing supported electrical cable having clamped elastomer supports | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US5027926A | Slip assembly | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5193614A | Cable anchor assembly | Fixed Constructions | 15 | Expired |
| US5305988A | Valves having involute sealing surfaces | Fixed Constructions | 14 | Expired |
| US4940118A | Slip assembly | Fixed Constructions | 10 | Expired |
| US4194785A | Camper | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6571879B1 | Surface-actuated release tool for submersible pump assemblies | Fixed Constructions | 8 | Expired |
| US6695062B2 | Heater cable and method for manufacturing | Emerging Cross-Sectional Technologies | 8 | Expired |
| US8678100B2 | Method of deploying nanoenhanced downhole article | Performing Operations; Transporting | 6 | Active |
| US9281675B2 | Systems and methods for cable deployment of downhole equipment | Electricity | 4 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.