Erwin Schiefer
13Patents
10h-index
6Co-inventors
65Inventor score
Filing activity: Apr 12, 1977 → Feb 26, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4119285A | Pipe and cable clip | Mechanical Engineering; Lighting; Heating | 143 | Expired |
| US4118838A | Pipe clamp | Emerging Cross-Sectional Technologies | 64 | Expired |
| US5176481A | Expansion dowel with friction reducing coating | Emerging Cross-Sectional Technologies | 44 | Expired |
| US5735653A | Anchor rod for composite anchors | Mechanical Engineering; Lighting; Heating | 39 | Expired |
| US4193246A | Clamping member for an adhesively secured anchor rod | Mechanical Engineering; Lighting; Heating | 34 | Expired |
| US4474516A | Anchor bolt assembly | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US4482277A | Expansion anchor assembly | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US4289062A | Expansion dowel | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4147444A | Expansion dowel | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4730966A | Expansion bolt assembly | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US4314655A | Sealing member for a device for melting solid adhesive material | Performing Operations; Transporting | 7 | Expired |
| US4156381A | Expansion dowel | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US4673322A | Slotted anchoring bush | Mechanical Engineering; Lighting; Heating | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.