Inventor · disambiguated record
Roger J. Elgas
Also filed as: ELGAS ROGER J · GREMEL ROBERT F
25 granted patents·820 citations·filing 1982–2002
97Inventor score
Top patents by PatentIndex Score
25 records- 0183US4818490AIntegral blood oxygenatorCOBE LAB·Filed 1987·Granted Apr 4, 1989·49 cites·6 claims
- 0275US6579257B1Automated occlusion clamp for centrifugal blood pumpsMEDTRONIC INC·Filed 1999·Granted Jun 17, 2003·152 cites·8 claims
- 0374US6524267B1Venous filter for assisted venous returnMEDTRONIC INC·Filed 2001·Granted Feb 25, 2003·51 cites·6 claims
- 0471US6918887B1Venous filter for assisted venous returnMEDTRONIC INC·Filed 2002·Granted Jul 19, 2005·44 cites·26 claims
- 0559US6302860B1Venous filter for assisted venous returnMEDTRONIC INC·Filed 1999·Granted Oct 16, 2001·73 cites·7 claims
- 0654US4455230APleated membrane transfer device utilizing potting and thixotropic adhesiveCOBE LAB·Filed 1982·Granted Jun 19, 1984·15 cites·7 claims
- 0754US4451562ABlood oxygenatorCOBE LAB·Filed 1982·Granted May 29, 1984·47 cites·8 claims
- 0852US5626759ABlood treatment device with moving membraneUNIV COLORADO·Filed 1994·Granted May 6, 1997·72 cites·40 claims
- 0950US6638479B1Variable packing density in hollow fiber deviceMEDTRONIC INC·Filed 1999·Granted Oct 28, 2003·17 cites·4 claims
- 1049US5823987ACompact membrane-type blood oxygenator with concentric heat exchangerMEDTRONIC INC·Filed 1996·Granted Oct 20, 1998·64 cites·19 claims
- 1146US5922202AInlet manifold for blood oxygenator apparatusMEDTRONIC INC·Filed 1996·Granted Jul 13, 1999·15 cites·16 claims
- 1241US5762875ACore structure for blood oxygenatorsMEDTRONIC INC·Filed 1996·Granted Jun 9, 1998·10 cites·5 claims
- 1341US4469659ASampling device for blood oxygenatorCOBE LAB·Filed 1982·Granted Sep 4, 1984·24 cites·5 claims
- 1439US5980465AMethod for detecting changes in a patient s blood volumeMEDTRONIC INC·Filed 1998·Granted Nov 9, 1999·28 cites·5 claims
- 1538US5935093ASoftshell reservoir with integrated cardiotomy reservoirMEDTRONIC INC·Filed 1997·Granted Aug 10, 1999·35 cites·6 claims
- 1638US5718871ALeak prevention in blood oxygenatorsMEDTRONIC INC·Filed 1996·Granted Feb 17, 1998·8 cites·2 claims
- 1736US5770139AMethod and apparatus for connecting tubing to barbed connectorsMEDTRONIC INC·Filed 1996·Granted Jun 23, 1998·24 cites·2 claims
- 1834US5906741AOutlet manifold for blood oxygenator apparatusMEDTRONIC INC·Filed 1996·Granted May 25, 1999·19 cites·16 claims
- 1933US5609632AMethod of fabricating an artificial lungMEDTRONIC INC·Filed 1996·Granted Mar 11, 1997·17 cites·10 claims
- 2032US5922281ASurface treatment for micro-conduits employed in blood heat exchange systemMEDTRONIC INC·Filed 1996·Granted Jul 13, 1999·13 cites·15 claims
- 2131US6613279B1Method and apparatus for improving blood mixing in oxygenatorsMEDTRONIC INC·Filed 1999·Granted Sep 2, 2003·10 cites·3 claims
- 2231US6497841B1Prevention of electrical discharges in polymeric heat exchangersMEDTRONIC INC·Filed 1997·Granted Dec 24, 2002·11 cites·88 claims
- 2330US6045752ABlood oxygenator with waterless heat exchangerMEDTRONIC INC·Filed 1996·Granted Apr 4, 2000·8 cites·6 claims
- 2430US5858233ATransition manifold for blood oxygenator apparatusMEDTRONIC INC·Filed 1996·Granted Jan 12, 1999·10 cites·7 claims
- 2529US4519393AFitting for corrugated tubeCOBE LAB·Filed 1982·Granted May 28, 1985·4 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →