Otto Frey
57Patents
34h-index
24Co-inventors
84Inventor score
Filing activity: Oct 29, 1975 → Oct 30, 1991
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4932969A | Joint endoprosthesis | Human Necessities | 634 | Expired |
| US4955908A | Metallic intervertebral prosthesis | Emerging Cross-Sectional Technologies | 632 | Expired |
| US4917704A | Intervertebral prosthesis | Emerging Cross-Sectional Technologies | 526 | Expired |
| US4776328A | Bone nail and an instrument for implanting a bone nail | Human Necessities | 317 | Expired |
| US4777942A | Bone milling instrument | Emerging Cross-Sectional Technologies | 127 | Expired |
| US5019082A | Rasp-like reaming instrument | Human Necessities | 121 | Expired |
| US4793335A | Bone implant for fixing artificial tendons or ligaments with application and extraction means | Emerging Cross-Sectional Technologies | 118 | Expired |
| US4963153A | Metal tibial anchoring part for a partial knee joint prosthesis | Human Necessities | 109 | Expired |
| US4976738A | Porous metal overlay for an implant surface | Human Necessities | 108 | Expired |
| US4523587A | Retention device for centering an endoprosthesis shank in a bone | Human Necessities | 105 | Expired |
| US4450592A | Joint socket for a hip joint prosthesis | Human Necessities | 100 | Expired |
| US4978355A | Plastic bone implant having a reinforced contact surface | Human Necessities | 81 | Expired |
| US5092896A | Finger joint prosthesis | Human Necessities | 81 | Expired |
| US4576152A | Injector for bone cement | Performing Operations; Transporting | 71 | Expired |
| US4969907A | Metal bone implant | Human Necessities | 70 | Expired |
| US4969910A | Acetabular cup prosthesis | Human Necessities | 67 | Expired |
| US5176708A | Prosthetic implant | Human Necessities | 65 | Expired |
| US5108431A | Ligament anchor | Human Necessities | 62 | Expired |
| US4955911A | Bone implant | Human Necessities | 62 | Expired |
| US4430761A | Joint endoprosthesis | Human Necessities | 58 | Expired |
| US4031570A | Prosthetic acetabulum | Human Necessities | 57 | Expired |
| US4936861A | Acetabular cup prosthesis | Human Necessities | 51 | Expired |
| US4883492A | Metal bone implant | Human Necessities | 51 | Expired |
| US4834759A | Endoprosthesis for a hip joint | Human Necessities | 47 | Expired |
| US4058856A | Joint endoprosthesis | Human Necessities | 47 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.