Assignee
QUEST MEDICAL INC
US·47 granted patents·12 pending applications·3,928 citations·filing 1979–2025
Top patents by PatentIndex Score
59 records- 0197US5588816ADisposable cassette for cardioplegia delivery systemQUEST MEDICAL INC·Filed 1995·Granted Dec 31, 1996·265 cites·6 claims
- 0297US4559044AVolumetric metering unit for intravenous fluid additionQUEST MEDICAL INC·Filed 1982·Granted Dec 17, 1985·152 cites·38 claims
- 0396US4657490AInfusion pump with disposable cassetteQUEST MEDICAL INC·Filed 1985·Granted Apr 14, 1987·466 cites·13 claims
- 0495US5573502ADisplay panel and controls for blood mixture delivery systemQUEST MEDICAL INC·Filed 1994·Granted Nov 12, 1996·199 cites·61 claims
- 0595US5385540ACardioplegia delivery systemQUEST MEDICAL INC·Filed 1993·Granted Jan 31, 1995·364 cites·69 claims
- 0695US4601702AVolumetric infusion actuatorQUEST MEDICAL INC·Filed 1984·Granted Jul 22, 1986·125 cites·1 claims
- 0795US4431425AFlow fault sensing systemQUEST MEDICAL INC·Filed 1981·Granted Feb 14, 1984·121 cites·8 claims
- 0894US4391598AIntravenous drug additive delivery system with electronic controlQUEST MEDICAL INC·Filed 1981·Granted Jul 5, 1983·89 cites·21 claims
- 0990US4840542AInfusion pump with direct pressure sensingQUEST MEDICAL INC·Filed 1987·Granted Jun 20, 1989·260 cites·2 claims
- 1089US5645531AConstant pressure blood mixture delivery system and methodQUEST MEDICAL INC·Filed 1994·Granted Jul 8, 1997·280 cites·29 claims
- 1188US4710166AAutomated drug additive infusion systemQUEST MEDICAL INC·Filed 1985·Granted Dec 1, 1987·237 cites·6 claims
- 1286US4447230AIntravenous administration set assemblyQUEST MEDICAL INC·Filed 1981·Granted May 8, 1984·230 cites·12 claims
- 1385US4553958AIV Delivery controllerQUEST MEDICAL INC·Filed 1983·Granted Nov 19, 1985·235 cites·31 claims
- 1479US6206870B1Catheter stylet handleQUEST MEDICAL INC·Filed 1999·Granted Mar 27, 2001·173 cites·13 claims
- 1578US7842003B2Pulsatile fluid delivery systemQUEST MEDICAL INC·Filed 2005·Granted Nov 30, 2010·10 cites·38 claims
- 1678US4244379ACheck valve for blood drawing apparatusQUEST MEDICAL INC·Filed 1979·Granted Jan 13, 1981·76 cites·5 claims
- 1773US11883612B2Tubing management bandQUEST MEDICAL INC·Filed 2021·Granted Jan 30, 2024·1 cites·20 claims
- 1873USD570880STwo-port fluid manifoldQUEST MEDICAL INC·Filed 2007·Granted Jun 10, 2008·21 cites·1 claims
- 1973USD557281SSix-port fluid manifoldQUEST MEDICAL INC·Filed 2007·Granted Dec 11, 2007·21 cites·1 claims
- 2072US2026027280A1Myocardial protection systemQUEST MEDICAL INC·Filed 2025·Application pending·0 cites
- 2171USD354335SCheck valveQUEST MEDICAL INC·Filed 1993·Granted Jan 10, 1995·14 cites·1 claims
- 2269US5899873ABiological fluid delivery systemQUEST MEDICAL INC·Filed 1997·Granted May 4, 1999·126 cites·39 claims
- 2368USD557283SSingle-port fluid manifoldQUEST MEDICAL INC·Filed 2007·Granted Dec 11, 2007·17 cites·1 claims
- 2464US2024423777A1Vein graft preparation pumpQUEST MEDICAL INC·Filed 2024·Application pending·0 cites
- 2564US2024424200A1Vein graft preparation pumpQUEST MEDICAL INC·Filed 2024·Application pending·0 cites
- 2664US2024424281A1Elastomeric vein graft preparation pump system and method of useQUEST MEDICAL INC·Filed 2024·Application pending·0 cites
- 2763US4250881ACatheter insertion deviceQUEST MEDICAL INC·Filed 1979·Granted Feb 17, 1981·57 cites·7 claims
- 2861US4623343AParenteral fluid administration apparatus and methodQUEST MEDICAL INC·Filed 1984·Granted Nov 18, 1986·65 cites·6 claims
- 2961US2024423778A1Pressure regulated vein graft preparation pump system and method of useQUEST MEDICAL INC·Filed 2024·Application pending·0 cites
- 3061US2024408357A1IV Catheter Securement DeviceQUEST MEDICAL INC·Filed 2024·Application pending·0 cites
- 3159US12534278B2Single use capQUEST MEDICAL INC·Filed 2023·Granted Jan 27, 2026·0 cites·20 claims
- 3259US2024424280A1Vein graft preparation pumpQUEST MEDICAL INC·Filed 2024·Application pending·0 cites
- 3358US4602249AMethod and apparatus for detecting leaking valves in a volumetric infusion deviceQUEST MEDICAL INC·Filed 1984·Granted Jul 22, 1986·58 cites·6 claims
- 3457US12017034B2Single use cap with sleeve and carrier for needleless connectorsQUEST MEDICAL INC·Filed 2021·Granted Jun 25, 2024·0 cites·20 claims
- 3557USD557284SSingle-port fluid manifoldQUEST MEDICAL INC·Filed 2007·Granted Dec 11, 2007·11 cites·1 claims
- 3657US2023127649A1Tracheostomy weaning system and methodQUEST MEDICAL INC·Filed 2022·Application pending·0 cites
- 3754US5638737ASpline pumping assemblyQUEST MEDICAL INC·Filed 1995·Granted Jun 17, 1997·67 cites·20 claims
- 3853US12508414B2Single use safety cap for use with needleless connectorsQUEST MEDICAL INC·Filed 2022·Granted Dec 30, 2025·0 cites·8 claims
- 3953US12433986B2Myocardial protection systemQUEST MEDICAL INC·Filed 2019·Granted Oct 7, 2025·0 cites·23 claims
- 4052USD557282SSingle-port fluid manifoldQUEST MEDICAL INC·Filed 2007·Granted Dec 11, 2007·9 cites·1 claims
- 4150US11662034B2Filtered vacuum relief vent valveQUEST MEDICAL INC·Filed 2020·Granted May 30, 2023·0 cites·16 claims
- 4250US2023149665A1Intravenous tubing securement band with adjustable overall lengthQUEST MEDICAL INC·Filed 2022·Application pending·0 cites
- 4350US2023398344A1Sealing device for needleless connectorsQUEST MEDICAL INC·Filed 2022·Application pending·0 cites
- 4449USD275989SIntravenous metering cassetteQUEST MEDICAL INC·Filed 1983·Granted Oct 16, 1984·4 cites·1 claims
- 4548USD569391SThree-port flat fluid manifoldQUEST MEDICAL INC·Filed 2007·Granted May 20, 2008·7 cites·1 claims
- 4648US2022211276A1Thermal imaging detectionQUEST MEDICAL INC·Filed 2021·Application pending·0 cites
- 4745US5779685ARetrograde cardioplegia catheter and method of useQUEST MEDICAL INC·Filed 1995·Granted Jul 14, 1998·51 cites·26 claims
- 4845US4979644ARate-controlled gravity drip delivery apparatusQUEST MEDICAL INC·Filed 1989·Granted Dec 25, 1990·13 cites·7 claims
- 4944US12213916B2Nasolacrimal duct stent assembly and methodQUEST MEDICAL INC·Filed 2021·Granted Feb 4, 2025·0 cites·8 claims
- 5044US4493709AMetering device for intravenous fluidsQUEST MEDICAL INC·Filed 1982·Granted Jan 15, 1985·33 cites·8 claims
Showing the top 50 of 59 patent records by PatentIndex Score.
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →