Helmut Reul
29Patents
23h-index
26Co-inventors
85Inventor score
Filing activity: May 17, 1974 → Apr 6, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4643732A | Heart valve prosthesis | Human Necessities | 572 | Expired |
| US4291420A | Artificial heart valve | Emerging Cross-Sectional Technologies | 509 | Expired |
| US5964694A | Method and apparatus for cardiac blood flow assistance | Emerging Cross-Sectional Technologies | 393 | Expired |
| US5911685A | Method and apparatus for cardiac blood flow assistance | Emerging Cross-Sectional Technologies | 351 | Expired |
| US6176848A | Intravascular blood pump | Human Necessities | 329 | Expired |
| US6007478A | Cannula having constant wall thickness with increasing distal flexibility and method of making | Human Necessities | 285 | Expired |
| US6116862A | Blood pump | Human Necessities | 238 | Expired |
| US3966358A | Pump assembly | Mechanical Engineering; Lighting; Heating | 223 | Expired |
| US4778461A | Heart valve prosthesis and process for its production | Emerging Cross-Sectional Technologies | 223 | Expired |
| US4263680A | Prosthetic closure devices to replace the valves in human hearts | Emerging Cross-Sectional Technologies | 183 | Expired |
| US5863179A | Centrifugal blood pump | Emerging Cross-Sectional Technologies | 144 | Expired |
| US5116564A | Method of producing a closing member having flexible closing elements, especially a heart valve | Emerging Cross-Sectional Technologies | 140 | Expired |
| US5746575A | Blood pump as centrifugal pump | Emerging Cross-Sectional Technologies | 140 | Expired |
| US8512012B2 | Pump | Human Necessities | 89 | Active |
| US4996054A | Antithrombogenic, non-calcifying material and method of making articles for medical purposes | Emerging Cross-Sectional Technologies | 81 | Expired |
| US4218783A | Prosthetic closure element for the replacement of the mitral and tricuspid valve in the human heart | Emerging Cross-Sectional Technologies | 69 | Expired |
| US4846830A | Cardiac valve prosthesis | Human Necessities | 66 | Expired |
| US5376113A | Closing member having flexible closing elements, especially a heart valve | Emerging Cross-Sectional Technologies | 49 | Expired |
| US6719720B1 | Balloon catheter | Human Necessities | 40 | Expired |
| US5263978A | Blood pump for pulsating operation | Human Necessities | 35 | Expired |
| US4775378A | Cardiac valve prosthesis | Human Necessities | 32 | Expired |
| US4831065A | Antithrombogenic, non-calcifying material and method of making articles for medical purposes | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5058416A | Apparatus for the determination of the partial pressure of gases dissolved in a fluid | Human Necessities | 29 | Expired |
| US6354814B1 | Device for conversion of a unidirectional rotational motion into reciprocating back and forth motion and pump device comprising same | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4995881A | Heart valve prosthesis | Human Necessities | 18 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.