RICHARD WOLF GMBH
🏢 View company profile →324Patents
52Active
324Granted
47Portfolio score
Filing activity: Jul 30, 1975 → Dec 13, 2022 · 14 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5520678A | Manipulator arm with proximal and distal control balls | Human Necessities | 1,679 | Expired |
| US5772578A | Endoscopic instrument | Human Necessities | 1,615 | Expired |
| US6709445B2 | Forceps for dissecting free tissue in body cavities | Human Necessities | 1,472 | Expired |
| US4995877A | Device with a rotationally-driven surgical instrument | Human Necessities | 1,366 | Expired |
| US6458077B1 | Medical instrument, in particular a rectoscope | Human Necessities | 1,141 | Expired |
| US8398674B2 | Medical instrument with multi-joint arm | Human Necessities | 897 | Active |
| US5807241A | Bendable tube and method for its manufacture | Human Necessities | 809 | Expired |
| US4005714A | Bipolar coagulation forceps | Human Necessities | 755 | Expired |
| US5020514A | Endoscope for nasal surgery | Human Necessities | 536 | Expired |
| US4985030A | Bipolar coagulation instrument | Human Necessities | 446 | Expired |
| US5562699A | Forceps | Human Necessities | 396 | Expired |
| US4641652A | Applicator for tying sewing threads | Human Necessities | 383 | Expired |
| US4759364A | Pincers attachment for a surgical handle to be used in endoscopy | Human Necessities | 378 | Expired |
| US4128099A | Single-pole coagulation forceps | Human Necessities | 274 | Expired |
| US8114118B2 | Medical instrument | Emerging Cross-Sectional Technologies | 270 | Active |
| US4653476A | Instrument insert for a uretero-renoscope | Human Necessities | 269 | Expired |
| US4538594A | Rectoscope | Human Necessities | 262 | Expired |
| US5772655A | Medical instrument with a tilting distal end | Human Necessities | 223 | Expired |
| US4771787A | Ultrasonic scanner and shock wave generator | Human Necessities | 214 | Expired |
| US4141362A | Laser endoscope | Human Necessities | 205 | Expired |
| US5454834A | Surgical suture material | Human Necessities | 198 | Expired |
| US4362160A | Endoscopes | Human Necessities | 196 | Expired |
| US5411507A | Instrument for implanting and extracting stents | Human Necessities | 195 | Expired |
| US4273129A | Forceps for applying clips to fallopian tubes | Human Necessities | 195 | Expired |
| US5209221A | Ultrasonic treatment of pathological tissue | Human Necessities | 178 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.