Mark R. Cooper
49Patents
11h-index
44Co-inventors
75Inventor score
Filing activity: Jun 10, 1993 → Mar 20, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5392540A | Mounting apparatus for a bridge of a trenching machine | Fixed Constructions | 37 | Expired |
| US5509220A | Track trencher propulsion system and process | Fixed Constructions | 33 | Expired |
| US5590041A | Track trencher steering system and process | Emerging Cross-Sectional Technologies | 30 | Expired |
| US6729050B2 | Control of excavation apparatus | Fixed Constructions | 24 | Expired |
| US10442637B2 | Linear drive system having central, distributed and group control | Physics | 23 | Active |
| US5768811A | System and process for controlling an excavation implement | Fixed Constructions | 23 | Expired |
| US7778756B2 | Track trencher propulsion system with load control | Mechanical Engineering; Lighting; Heating | 21 | Active |
| US5544055A | Track trencher control system and process | Fixed Constructions | 20 | Expired |
| US9300144B2 | Integrated drive motor power interface | Electricity | 19 | Active |
| US6948265B2 | Excavation apparatus | Fixed Constructions | 17 | Expired |
| US5574642A | Track trencher information system and process | Performing Operations; Transporting | 16 | Expired |
| US10608469B2 | Method and apparatus for power transfer to an independent moving cart during travel along a track | Emerging Cross-Sectional Technologies | 10 | Active |
| US7290360B2 | Excavation apparatus | Fixed Constructions | 10 | Active |
| US10587212B1 | Linear motor track system with automatic gravity detection | Emerging Cross-Sectional Technologies | 9 | Active |
| US6804903B1 | Excavator with trenching attachment | Fixed Constructions | 9 | Expired |
| US10161970B2 | Sequence based mover identification | Physics | 8 | Active |
| USD396837S | Track trencher control panel | General | 7 | Expired |
| US8829839B1 | System and method for temperature estimation in an integrated motor drive | Electricity | 7 | Active |
| US6725579B2 | Excavation apparatus | Fixed Constructions | 5 | Expired |
| US8860335B2 | System for managing DC link switching harmonics | Electricity | 4 | Active |
| US9673685B2 | System and method for detection of motor vibration | Electricity | 4 | Active |
| US11070153B2 | Linear motor track system with automatic gravity detection | Emerging Cross-Sectional Technologies | 3 | Active |
| US11643120B2 | Independent cart system and method of operating the same | Physics | 3 | Active |
| US10480961B2 | Hybrid encoder system for position determination | Physics | 2 | Active |
| US10967892B2 | Independent cart system and method of operating the same | Physics | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.