James C. Doane
71Patents
16h-index
59Co-inventors
87Inventor score
Filing activity: Oct 20, 1994 → Apr 21, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5558153A | Method & apparatus for actuating a downhole tool | Fixed Constructions | 199 | Expired |
| US6986390B2 | Expandable packer with anchoring feature | Fixed Constructions | 115 | Expired |
| US7051805B2 | Expandable packer with anchoring feature | Fixed Constructions | 82 | Expired |
| US8109340B2 | High-pressure/high temperature packer seal | Fixed Constructions | 78 | Active |
| US6959759B2 | Expandable packer with anchoring feature | Fixed Constructions | 75 | Expired |
| US7493945B2 | Expandable packer with mounted exterior slips and seal | Fixed Constructions | 59 | Active |
| US6629563B2 | Packer releasing system | Fixed Constructions | 42 | Expired |
| US5819854A | Activation of downhole tools | Fixed Constructions | 26 | Expired |
| US7341110B2 | Slotted slip element for expandable packer | Fixed Constructions | 25 | Expired |
| US6119774A | Caged slip system | Fixed Constructions | 22 | Expired |
| US6536532B2 | Lock ring for pipe slip pick-up ring | Fixed Constructions | 21 | Expired |
| US6203020A | Downhole packer with element extrusion-limiting device | Fixed Constructions | 20 | Expired |
| US6241017A | Caged slip system and release methods | Fixed Constructions | 19 | Expired |
| US7044231B2 | Expandable packer with anchoring feature | Fixed Constructions | 18 | Expired |
| US7387170B2 | Expandable packer with mounted exterior slips and seal | Fixed Constructions | 18 | Expired |
| US7748467B2 | Downhole seal apparatus and method | Fixed Constructions | 17 | Active |
| US7661470B2 | Expandable packer with anchoring feature | Fixed Constructions | 15 | Expired |
| US6213204A | High load, thin slip system | Fixed Constructions | 15 | Expired |
| US7681652B2 | Packer setting device for high-hydrostatic applications | Fixed Constructions | 14 | Active |
| US6715560B2 | Collet-cone slip system for releasably securing well tools | Fixed Constructions | 13 | Expired |
| US9068413B2 | Multi-piston hydrostatic setting tool with locking feature and pressure balanced pistons | Fixed Constructions | 13 | Active |
| US9068414B2 | Multi-piston hydrostatic setting tool with locking feature and a single lock for multiple pistons | Fixed Constructions | 13 | Active |
| US7448445B2 | Downhole tools having a seal ring with reinforcing element | Fixed Constructions | 12 | Active |
| US7891434B2 | Packer setting device for high hydrostatic applications | Fixed Constructions | 12 | Active |
| US7117949B2 | Expandable packer with anchoring feature | Fixed Constructions | 11 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.