Ortwin Piper
6Patents
4h-index
9Co-inventors
50Inventor score
Filing activity: May 12, 1975 → Apr 1, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6083263A | Adjustable hip-joint endoprosthesis | Human Necessities | 26 | Expired |
| US5713432A | Drive frame for a self-propelled elevator car | Performing Operations; Transporting | 15 | Expired |
| US5769183A | Drive unit for a self-propelled elevator car | Performing Operations; Transporting | 9 | Expired |
| US4015303A | Support element for a bridge | Fixed Constructions | 4 | Expired |
| US4033006A | Swingable support leg for a bridge | Fixed Constructions | 3 | Expired |
| US6012553A | Mount for a lift cage safety device | Performing Operations; Transporting | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.