Inventor
REUL HELMUT
DE29 patents
⚠️ This page may combine multiple inventors who share the name “REUL HELMUT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BEIERSDORF AG
5 patentsUS4643732AFeb 17, 1987
Heart valve prosthesis
BEIERSDORF AG653 citations98
US4778461AOct 18, 1988
Heart valve prosthesis and process for its production
BEIERSDORF AG261 citations97
US4996054AFeb 26, 1991
Antithrombogenic, non-calcifying material and method of making articles for medical purposes
BEIERSDORF AG96 citations95
US4831065AMay 16, 1989
Antithrombogenic, non-calcifying material and method of making articles for medical purposes
BEIERSDORF AG39 citations95
US4263680AApr 28, 1981
Prosthetic closure devices to replace the valves in human hearts
BEIERSDORF AG206 citations94
BRAUN MELSUNGEN AG
5 patentsUS4846830AJul 11, 1989
Cardiac valve prosthesis
BRAUN MELSUNGEN AG81 citations96
US4995881AFeb 26, 1991
Heart valve prosthesis
BRAUN MELSUNGEN AG25 citations92
US4923465AMay 8, 1990
Cardiac valve prosthesis
BRAUN MELSUNGEN AG23 citations92
US4775378AOct 4, 1988
Cardiac valve prosthesis
BRAUN MELSUNGEN AG41 citations92
US4799930AJan 24, 1989
Cardiac valve prosthesis
BRAUN MELSUNGEN AG20 citations82
(unassigned)
3 patentsUS6719720B1Apr 13, 2004
Balloon catheter
68 citations94
US5376113ADec 27, 1994
Closing member having flexible closing elements, especially a heart valve
59 citations93
US6354814B1Mar 12, 2002
Device for conversion of a unidirectional rotational motion into reciprocating back and forth motion and pump device comprising same
25 citations92