Michael R. Emken
21Patents
13h-index
11Co-inventors
78Inventor score
Filing activity: Apr 11, 1977 → Nov 1, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5908452A | Prosthetic heart valve with improved blood flow | Emerging Cross-Sectional Technologies | 95 | Expired |
| US5772694A | Prosthetic heart valve with improved blood flow | Emerging Cross-Sectional Technologies | 74 | Expired |
| US4108173A | Blood access device | Human Necessities | 54 | Expired |
| US5641324A | Prosthetic heart valve | Human Necessities | 30 | Expired |
| US5192309A | Prosthetic heart valve | Emerging Cross-Sectional Technologies | 20 | Expired |
| US6410087B1 | Deposition of pyrocarbon | Chemistry; Metallurgy | 19 | Expired |
| US5677061A | Pyrocarbon and process for depositing pyrocarbon coatings | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5305554A | Moisture control in vibratory mass finishing systems | Performing Operations; Transporting | 17 | Expired |
| US5152785A | Prosthetic heart valve | Human Necessities | 16 | Expired |
| US5545216A | Prosthetic heart valve | Human Necessities | 16 | Expired |
| US5328720A | Coating-fluidizing gas supply system and method for flat bottom coater | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5246453A | Prosthetic heart valve | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5137532A | Prosthetic heart valve | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5236451A | Prosthetic heart valve | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5514410A | Pyrocarbon and process for depositing pyrocarbon coatings | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5376111A | Heart valve prostheses | Human Necessities | 8 | Expired |
| US5350421A | Prosthetic heart valve | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5328713A | Precise regulation of fluidized bed weight in pyrolytically coating substrates | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6274191A | Precise regulation of pyrocarbon coating | Performing Operations; Transporting | 6 | Expired |
| US5236449A | Heart valve prostheses | Human Necessities | 2 | Expired |
| US5308361A | Prosthetic heart valve | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.