Raymond C. Shaffer
12Patents
2h-index
16Co-inventors
43Inventor score
Filing activity: Dec 12, 2013 → Jun 8, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9689232B2 | Reverse flow actuation apparatus and method | Fixed Constructions | 6 | Active |
| US9617826B2 | Reverse flow catch-and-engage tool and method | Fixed Constructions | 4 | Active |
| US9593553B2 | Sliding sleeve having contracting, segmented ball seat | Emerging Cross-Sectional Technologies | 2 | Active |
| US10584557B2 | Debris preventing downhole air lock device and method | Fixed Constructions | 1 | Active |
| US9885224B2 | Burst sleeve and positive indication for fracture sleeve opening | Fixed Constructions | 1 | Active |
| US10184319B2 | Reverse flow seat forming apparatus and method | Fixed Constructions | 1 | Active |
| US10294752B2 | Reverse flow catch-and-release tool and method | Fixed Constructions | 1 | Active |
| US10138709B2 | Hydraulic delay toe valve system and method | Fixed Constructions | 0 | Active |
| US12281528B2 | Quick connect setting kit and method | Fixed Constructions | 0 | Active |
| US10221654B2 | Reverse flow arming and actuation apparatus and method | Fixed Constructions | 0 | Active |
| US11959355B2 | Frac plug slips with uniform breaking mechanism and method | Fixed Constructions | 0 | Active |
| US10995585B2 | Electronic valve with deformable seat and method | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.