Thomas H. Zimmerman
19Patents
14h-index
36Co-inventors
78Inventor score
Filing activity: May 29, 1973 → May 28, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4860581A | Down hole tool for determination of formation properties | Fixed Constructions | 330 | Expired |
| US4936139A | Down hole method for determination of formation properties | Fixed Constructions | 276 | Expired |
| US7654321B2 | Formation fluid sampling apparatus and methods | Fixed Constructions | 93 | Active |
| US8237585B2 | Wireless communication system and method | Physics | 77 | Active |
| US6173773A | Orienting downhole tools | Fixed Constructions | 75 | Expired |
| US7264057B2 | Subsea intervention | Performing Operations; Transporting | 63 | Expired |
| US6811382B2 | Integrated pumping system for use in pumping a variety of fluids | Electricity | 54 | Expired |
| US6763889B2 | Subsea intervention | Performing Operations; Transporting | 46 | Expired |
| US8469084B2 | Wireless transfer of power and data between a mother wellbore and a lateral wellbore | Fixed Constructions | 44 | Active |
| US6971265B1 | Downhole sensing apparatus with separable elements | Fixed Constructions | 39 | Expired |
| US6808021B2 | Subsea intervention system | Performing Operations; Transporting | 38 | Expired |
| US7301474B2 | Wireless communication system and method | Physics | 33 | Expired |
| US6386109B1 | Shock barriers for explosives | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US6679334B2 | Use of helically wound tubular structure in the downhole environment | Fixed Constructions | 22 | Expired |
| US6675901B2 | Use of helically wound tubular structure in the downhole environment | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US4401314A | Recreational toy wheel vehicle | Human Necessities | 12 | Expired |
| US7841406B2 | Formation fluid sampling apparatus and methods | Fixed Constructions | 11 | Active |
| US7013723B2 | Apparatus and methods for canceling the effects of fluid storage in downhole tools | Fixed Constructions | 9 | Expired |
| US3971024A | Protective metal shield for plastic fuze radomes | Electricity | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.