Mark A. Schnatzmeyer
20Patents
17h-index
7Co-inventors
74Inventor score
Filing activity: Jul 13, 1979 → Jul 27, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4921438A | Wet connector | Electricity | 68 | Expired |
| US5577925A | Concentric wet connector system | Fixed Constructions | 53 | Expired |
| US5058683A | Wet connector | Electricity | 48 | Expired |
| US4624309A | Apparatus for monitoring a parameter in a well | Electricity | 47 | Expired |
| US6150601A | Method and apparatus for generating electric power downhole | Fixed Constructions | 44 | Expired |
| US5535767A | Remotely actuated adjustable choke valve and method for using same | Emerging Cross-Sectional Technologies | 37 | Expired |
| US5957207A | Flow control apparatus for use in a subterranean well and associated methods | Fixed Constructions | 36 | Expired |
| US6394181B2 | Self-regulating lift fluid injection tool and method for use of same | Electricity | 33 | Expired |
| US4757859A | Apparatus for monitoring a parameter in a well | Electricity | 30 | Expired |
| US5957208A | Flow control apparatus | Fixed Constructions | 29 | Expired |
| US4825946A | Apparatus for monitoring a parameter in a well | Electricity | 29 | Expired |
| US4846269A | Apparatus for monitoring a parameter in a well | Electricity | 26 | Expired |
| US6082458A | Flow control apparatus with specific latching means for use in a subterranean well and associated methods | Fixed Constructions | 26 | Expired |
| US4997384A | Wet connector | Electricity | 26 | Expired |
| US5718289A | Apparatus and method for use in injecting fluids in a well | Fixed Constructions | 18 | Expired |
| US4828027A | Apparatus for monitoring a parameter in a well | Fixed Constructions | 18 | Expired |
| US4411455A | Riser connector | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US6286596A | Self-regulating lift fluid injection tool and method for use of same | Fixed Constructions | 14 | Expired |
| US4307902A | Riser connector | Fixed Constructions | 13 | Expired |
| USD277286S | Solar powered valve control unit | General | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.