Donald Ewing
3Patents
1h-index
4Co-inventors
30Inventor score
Filing activity: Jan 20, 2017 → Jan 21, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US10508522B2 | Automatic sucker rod spacing device and methods of using same | Fixed Constructions | 2 | Active |
| US11168549B2 | Automated sucker rod spacing device and associated methods | Fixed Constructions | 1 | Active |
| US11199053B2 | Sucker rod with adhesive-attached end piece | Fixed Constructions | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.