Helmut Heide
17Patents
13h-index
29Co-inventors
78Inventor score
Filing activity: Feb 27, 1974 → Mar 16, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4309488A | Implantable bone replacement materials based on calcium phosphate ceramic material in a matrix and process for the production thereof | Emerging Cross-Sectional Technologies | 163 | Expired |
| US4202055A | Anchorage for highly stressed endoprostheses | Human Necessities | 144 | Expired |
| US4192021A | Bone replacement or prosthesis anchoring material | Human Necessities | 118 | Expired |
| US4178686A | Artificial tooth with implantable tooth root | Human Necessities | 53 | Expired |
| US4322398A | Implantable drug depot and process for the production thereof | Human Necessities | 52 | Expired |
| US7012034B2 | Resorbable bone replacement and bone formation material | Human Necessities | 46 | Expired |
| US4702930A | Method of producing implantable bone replacement materials | Human Necessities | 41 | Expired |
| US7087540B2 | Resorbable bone replacement and bone formation material | Human Necessities | 29 | Expired |
| US6054082A | Solidified drug supply for generating inhalable drug particles | Human Necessities | 17 | Expired |
| US5673685A | Device for generating inhalable active substance particles | Human Necessities | 16 | Expired |
| US4341094A | Circular knitting needle | Textiles; Paper | 16 | Expired |
| US3957685A | Process for producing catalyst supports or catalyst systems having open pores | Emerging Cross-Sectional Technologies | 16 | Expired |
| US7365051B2 | Compounds with improved cartilage-inducing and/or bone-inducing activity | Chemistry; Metallurgy | 13 | Expired |
| US5260038A | Gas generator for air bags with circumferentially disposed blades | Performing Operations; Transporting | 7 | Expired |
| US5374407A | Gas generator with porous outer wall | Performing Operations; Transporting | 5 | Expired |
| US5045525A | Method for the synthesis of a high-temperature superconductor of a defined composition | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5419875A | Gas generator with novel nozzle structure | Performing Operations; Transporting | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.