Erich Palm
20Patents
8h-index
8Co-inventors
68Inventor score
Filing activity: Oct 18, 1982 → May 3, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5183357A | Rivet fastener with drilling bit | Mechanical Engineering; Lighting; Heating | 43 | Expired |
| US5213459A | Self-drilling connecting unit | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US5383753A | Rivet fastener | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US4486823A | Circuit for converting an input d.c. voltage into an output d.c. voltage | Electricity | 13 | Expired |
| US6179538A | Screw for fastening metal or plastic sections or plates onto a base | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US4530043A | DC switching voltage converter for multiplying an input DC voltage without increasing the switching conduction period | Electricity | 10 | Expired |
| US6361259B1 | Screw for torque-limited fastening | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US4835668A | Power supply with two output voltages | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6428258B1 | Non cutting hole-shaping and thread-forming stainless screw and process with impact for driving in the same | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US7955036B2 | Washer and threaded assembly provided therewith | Emerging Cross-Sectional Technologies | 8 | Active |
| US6324946A | Screwdriver adapter | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US6164887A | Screw for joining thin workpieces | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6120225A | Lamina-shaped borepiece for self-boring fastening elements | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6254326A | Screw having a tapered thread | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US5472303A | Blind rivet-type clamping fastener | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US7214019B2 | Self-tapping screw | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US8052363B2 | Self-tapping screw | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US10837482B2 | Method for establishing a connection | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US10914078B2 | Facade fastening system | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11148263B2 | Centering sleeve and method for fastening | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.