Inventor · disambiguated record
Helmut Reul
Also filed as: GHISTA DHANJOO N · REUL HELMUT
29 granted patents·5,637 citations·filing 1974–2009
98Inventor score
Top patents by PatentIndex Score
29 records- 0198US4291420AArtificial heart valveMEDAC KLINISCHE SPEZIALPRAEP·Filed 1980·Granted Sep 29, 1981·546 cites·9 claims
- 0298US4218783AProsthetic closure element for the replacement of the mitral and tricuspid valve in the human heartFRESENIUS CHEM PHARM IND·Filed 1978·Granted Aug 26, 1980·85 cites·13 claims
- 0397US5964694AMethod and apparatus for cardiac blood flow assistanceGUIDANT CORP·Filed 1997·Granted Oct 12, 1999·548 cites·7 claims
- 0497US5116564AMethod of producing a closing member having flexible closing elements, especially a heart valveJANSEN JOSEF·Filed 1989·Granted May 26, 1992·247 cites·33 claims
- 0597US4778461AHeart valve prosthesis and process for its productionBEIERSDORF AG·Filed 1986·Granted Oct 18, 1988·261 cites·15 claims
- 0696US4643732AHeart valve prosthesisBEIERSDORF AG·Filed 1985·Granted Feb 17, 1987·653 cites·9 claims
- 0795US5911685AMethod and apparatus for cardiac blood flow assistanceGUIDANT CORP·Filed 1997·Granted Jun 15, 1999·497 cites·49 claims
- 0895US3966358APump assemblyMEDAC KLINISCHE SPEZIALPRAEP·Filed 1974·Granted Jun 29, 1976·246 cites·18 claims
- 0994US6176848B1Intravascular blood pumpIMPELLA CARDIOTECH GMBH·Filed 1997·Granted Jan 23, 2001·507 cites·8 claims
- 1094US4263680AProsthetic closure devices to replace the valves in human heartsBEIERSDORF AG·Filed 1979·Granted Apr 28, 1981·206 cites·14 claims
- 1191US8512012B2PumpAKDIS MUSTAFA·Filed 2005·Granted Aug 20, 2013·106 cites·49 claims
- 1291US6007478ACannula having constant wall thickness with increasing distal flexibility and method of makingIMPELLA CARDIOTECHNIK AKTIENGE·Filed 1997·Granted Dec 28, 1999·447 cites·42 claims
- 1390US6116862ABlood pumpMEDOS MEDIZINTECHNIK GMBH·Filed 1997·Granted Sep 12, 2000·330 cites·16 claims
- 1485US5376113AClosing member having flexible closing elements, especially a heart valveFiled 1993·Granted Dec 27, 1994·59 cites·8 claims
- 1583US5746575ABlood pump as centrifugal pumpBAXTER INT·Filed 1994·Granted May 5, 1998·200 cites·12 claims
- 1683US4996054AAntithrombogenic, non-calcifying material and method of making articles for medical purposesBEIERSDORF AG·Filed 1988·Granted Feb 26, 1991·96 cites·11 claims
- 1780US5863179ACentrifugal blood pumpBAXTER INT·Filed 1997·Granted Jan 26, 1999·183 cites·49 claims
- 1870US4923465ACardiac valve prosthesisBRAUN MELSUNGEN AG·Filed 1989·Granted May 8, 1990·23 cites·17 claims
- 1970US4846830ACardiac valve prosthesisBRAUN MELSUNGEN AG·Filed 1988·Granted Jul 11, 1989·81 cites·8 claims
- 2061US6354814B1Device for conversion of a unidirectional rotational motion into reciprocating back and forth motion and pump device comprising sameFiled 1998·Granted Mar 12, 2002·25 cites·20 claims
- 2158US8419674B2Intravenous oxygenator with impermeable sheath and wire grateCATTANEO GIORGIO·Filed 2009·Granted Apr 16, 2013·2 cites·19 claims
- 2257US5058416AApparatus for the determination of the partial pressure of gases dissolved in a fluidSIEMENS AG·Filed 1989·Granted Oct 22, 1991·50 cites·18 claims
- 2357US4831065AAntithrombogenic, non-calcifying material and method of making articles for medical purposesBEIERSDORF AG·Filed 1986·Granted May 16, 1989·39 cites·7 claims
- 2453US4775378ACardiac valve prosthesisBRAUN MELSUNGEN AG·Filed 1988·Granted Oct 4, 1988·41 cites·7 claims
- 2552US6719720B1Balloon catheterFiled 1998·Granted Apr 13, 2004·68 cites·14 claims
- 2647US7641853B2Intravenous oxygenatorNOVALUNG GMBH·Filed 2003·Granted Jan 5, 2010·3 cites·9 claims
- 2743US5263978ABlood pump for pulsating operationFORSCHUNGSGESELLSCHAFT FUER BI·Filed 1992·Granted Nov 23, 1993·43 cites·16 claims
- 2843US4995881AHeart valve prosthesisBRAUN MELSUNGEN AG·Filed 1989·Granted Feb 26, 1991·25 cites·18 claims
- 2939US4799930ACardiac valve prosthesisBRAUN MELSUNGEN AG·Filed 1988·Granted Jan 24, 1989·20 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →