Gerald Pedersen
17Patents
11h-index
9Co-inventors
65Inventor score
Filing activity: Jul 15, 1983 → Jul 16, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6715541B2 | Ball dropping assembly | Fixed Constructions | 90 | Expired |
| US6866100B2 | Mechanically opened ball seat and expandable ball seat | Fixed Constructions | 78 | Expired |
| US6776228B2 | Ball dropping assembly | Fixed Constructions | 76 | Expired |
| US6672384B2 | Plug-dropping container for releasing a plug into a wellbore | Fixed Constructions | 45 | Expired |
| US6908121B2 | Locking arrangement for a threaded connector | Mechanical Engineering; Lighting; Heating | 44 | Expired |
| US7055611B2 | Plug-dropping container for releasing a plug into a wellbore | Fixed Constructions | 33 | Expired |
| US6571869B1 | Downhole surge pressure reduction and filtering apparatus | Fixed Constructions | 24 | Expired |
| US7225870B2 | Hydraulic tools for setting liner top packers and method for cementing liners | Fixed Constructions | 24 | Expired |
| US6902008B2 | Bi-directionally boosting and internal pressure trapping packing element system | Fixed Constructions | 22 | Expired |
| US7172029B2 | Bi-directionally boosting and internal pressure trapping packing element system | Fixed Constructions | 20 | Expired |
| US4610413A | Pegbar display device | Human Necessities | 14 | Expired |
| US4753356A | Transfer cart with improved base and gate guides | Performing Operations; Transporting | 11 | Expired |
| US7487831B2 | Downhole surge pressure reduction and filtering apparatus | Fixed Constructions | 9 | Active |
| US4732172A | Apparatus for washing transfer carts | Performing Operations; Transporting | 7 | Expired |
| US6966375B2 | Downhole surge pressure reduction and filtering apparatus | Fixed Constructions | 3 | Expired |
| US7270181B2 | Downhole surge pressure reduction and filtering apparatus | Fixed Constructions | 1 | Expired |
| US6755252B2 | Downhole surge pressure reduction and filtering apparatus | Fixed Constructions | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.