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.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →