Robert H. Ash, Jr.
9Patents
5h-index
6Co-inventors
56Inventor score
Filing activity: Jan 29, 1993 → Jun 18, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9534691B2 | Packing assembly for a pump | Emerging Cross-Sectional Technologies | 35 | Active |
| US5829338A | Pump having unidirectional tapered land thrust bearing cluster | Mechanical Engineering; Lighting; Heating | 33 | Expired |
| US10428949B2 | Packing assembly for a pump | Emerging Cross-Sectional Technologies | 24 | Active |
| US5676035A | Cam follower retainer for a swashplate pump | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5383694A | Load segment assembly with wire rope | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US5678471A | Swashplate pump incorporating a dual location cluster bearing | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5784948A | Positive displacement pump having levitating magnetic piston spring circuit | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US11300206B2 | Packing assembly for a pump | Emerging Cross-Sectional Technologies | 0 | Active |
| US11345005B2 | Split nut valve seat puller | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.