Frederick Hubert Van Essen
8Patents
2h-index
1Co-inventors
41Inventor score
Filing activity: Feb 28, 1995 → Mar 24, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5636713A | Multiple RAM assembly and recuperative drive system for hydraulic lift | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5871241A | Releasable coupling for fluid lines | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US8950232B2 | Hydraulic swage press | Performing Operations; Transporting | 2 | Active |
| US9283613B2 | Indexing die shoes in a swage press | Emerging Cross-Sectional Technologies | 2 | Active |
| US6409146B1 | Check valve arrangement for a diagnostic test point | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US8220306B2 | Die element | Electricity | 1 | Active |
| US7526940B2 | Die element changing devices | Performing Operations; Transporting | 1 | Active |
| US9381561B2 | Pinch decompression in radial crimp press machines | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.