Hanns Pietsch
16Patents
11h-index
34Co-inventors
72Inventor score
Filing activity: Jul 23, 1975 → Sep 20, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4643732A | Heart valve prosthesis | Human Necessities | 572 | Expired |
| US4778461A | Heart valve prosthesis and process for its production | Emerging Cross-Sectional Technologies | 223 | Expired |
| US4947834A | Device for treating human extremities | Emerging Cross-Sectional Technologies | 81 | Expired |
| US4996054A | Antithrombogenic, non-calcifying material and method of making articles for medical purposes | Emerging Cross-Sectional Technologies | 81 | Expired |
| US4588583A | Surgical material | Human Necessities | 74 | Expired |
| US5147344A | Hydrogel foams, and a process for their preparation | Chemistry; Metallurgy | 46 | Expired |
| US4486488A | Composition for the production of bandages, bandages produced therewith and method for the production thereof | Chemistry; Metallurgy | 33 | Expired |
| US4831065A | Antithrombogenic, non-calcifying material and method of making articles for medical purposes | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4456711A | Process for the preparation of a powder mixture for surgical use | Human Necessities | 24 | Expired |
| US4144157A | Acrylic and methacrylic self-adhesive composition and radiation method of making same | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4902728A | Surgical material | Human Necessities | 11 | Expired |
| US6162835A | Stable active-ingredient combination for the disinfection and cleaning of contact lenses, and packing and process for the preparation thereof | Chemistry; Metallurgy | 2 | Expired |
| US6136866A | Preparation for reducing the bond strength of adhesive tapes | Human Necessities | 1 | Expired |
| US4011387A | Adhesive resins and method of production thereof | Emerging Cross-Sectional Technologies | 1 | Expired |
| US8465766B2 | Wound and mucous membrane disinfectant | Human Necessities | 1 | Active |
| US4221214A | Supporting bandage | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.