Gemcor Engineering Corporation
39Patents
0Active
39Granted
33Portfolio score
Filing activity: Dec 21, 1981 → Sep 4, 1997
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5477597A | Apparatus for positioning tooling | Emerging Cross-Sectional Technologies | 55 | Expired |
| US4821408A | Programmable fixture and assembly cell | Emerging Cross-Sectional Technologies | 52 | Expired |
| US4864702A | Five axis riveter | Emerging Cross-Sectional Technologies | 49 | Expired |
| US4999896A | Automatic double-flush riveting | Emerging Cross-Sectional Technologies | 46 | Expired |
| US5060362A | Slug riveting method and apparatus with C-frame deflection compensation | Emerging Cross-Sectional Technologies | 45 | Expired |
| US5398537A | Low amperage electromagnetic apparatus and method for uniform rivet upset | Emerging Cross-Sectional Technologies | 39 | Expired |
| US5615474A | Automatic fastening machine with statistical process control | Emerging Cross-Sectional Technologies | 37 | Expired |
| US5471865A | High energy impact riveting apparatus and method | Emerging Cross-Sectional Technologies | 36 | Expired |
| US5661892A | Method for positioning tooling | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4858289A | Dimpling and riveting apparatus | Emerging Cross-Sectional Technologies | 26 | Expired |
| US4515302A | Riveting machine | Emerging Cross-Sectional Technologies | 26 | Expired |
| US4864713A | Method and apparatus for positioning tooling and riveting | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5154643A | Method and apparatus for positioning tooling | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5222289A | Method and apparatus for fastening | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4609134A | Jet guide rivet injector | Performing Operations; Transporting | 22 | Expired |
| US5220718A | Programmable fixture and assembly cell | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4720897A | Automatic fastening machine with brushless electric motor for drill spindle drive | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4966323A | Five axis riveter and system | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5611130A | Multi-position rotary head apparatus | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4645112A | Riveting machine | Performing Operations; Transporting | 18 | Expired |
| US5575166A | High energy impact riveting apparatus and method | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5653005A | Programmable fixture and assembly cell | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4693646A | Apparatus for lubricating a workpiece | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5329691A | Hole probe apparatus | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5687463A | Apparatus for positioning of tooling efficiently | Emerging Cross-Sectional Technologies | 14 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.