Wolfgang Obermann
13Patents
5h-index
15Co-inventors
59Inventor score
Filing activity: Dec 21, 1991 → Nov 16, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6017320A | Massaging apparatus having two rollers and a suction chamber | Human Necessities | 22 | Expired |
| US5171959A | Arc welding of a weld stud | Performing Operations; Transporting | 15 | Expired |
| US6165182A | Depilation apparatus with vibration member | Human Necessities | 12 | Expired |
| US8122896B2 | Hair-straightening device | Emerging Cross-Sectional Technologies | 9 | Active |
| US7228630B2 | Hair-cutting apparatus comprising a hair suction device | Performing Operations; Transporting | 7 | Expired |
| US7975385B2 | Hair-cutting apparatus comprising means for preventing cut hair from flying off | Performing Operations; Transporting | 5 | Expired |
| US7291802B2 | Joining system head, joining system, and method of feeding and joining elements | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6613057B1 | Epilating device with pinching elements having a delaying element | Human Necessities | 2 | Expired |
| US9610695B2 | Hair-clipping device and cutter-member assembly for such a device | Performing Operations; Transporting | 2 | Active |
| US8653402B2 | Joining system head, joining system, and method of feeding and joining elements | Emerging Cross-Sectional Technologies | 1 | Active |
| US6406483B1 | Depilation system with a depilation device and a cooling device having certain parameters | Human Necessities | 1 | Expired |
| US6350268B1 | Depilation system with a depilation device and a cooling device with a thermally insulating envelope | Human Necessities | 0 | Expired |
| US8341845B2 | Hair-clipping device | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.