Peter Christen
16Patents
8h-index
31Co-inventors
72Inventor score
Filing activity: Mar 10, 1980 → Jun 22, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5690634A | Medullary drill head | Human Necessities | 153 | Expired |
| US4390869A | Gas sensing signaling system | Physics | 58 | Expired |
| US6896703B2 | Expandable socket | Human Necessities | 34 | Expired |
| USD621430S1 | Welding device | General | 33 | Expired |
| US9222470B2 | Micropump | Human Necessities | 28 | Active |
| USD654521S1 | Welding apparatus | General | 19 | Expired |
| US6045015A | Coupling for a linear actuator and a sliding valve unit for a sliding gate valve of a molten metal vessel | Performing Operations; Transporting | 11 | Expired |
| US4352099A | Gas sensing unit for use in environment comprising explosive gases | Physics | 9 | Expired |
| USD669106S1 | Welding apparatus | General | 8 | Active |
| USD972127S1 | Drug delivery device with docking station | General | 7 | Active |
| US7090678B2 | Positioning instrument for inserting an extension shell | Human Necessities | 5 | Expired |
| USD972128S1 | Drug delivery device | General | 5 | Active |
| USD639834S1 | Hot air nozzle | General | 3 | Expired |
| USD971434S1 | Reservoir for drug delivery device | General | 3 | Active |
| US6487841B1 | Ring spinning frame with clamping device at the spindle | Textiles; Paper | 2 | Expired |
| US10476260B2 | Over-voltage and ground fault protection for bus connectors | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.