Inventor · disambiguated record
Dana Wm. Ryan
Also filed as: RYAN DANA · RYAN DANA W · RYAN DANA WM
45 granted patents·6 pending applications·6,581 citations·filing 1988–2024
99Inventor score
Files withSYMBIOSIS CORP16RYAN MEDICAL INC10RYMED TECH LLC7RYMED TECHNOLOGIES INC5FRESENIUS KABI DEUTSCHLAND GMBH4
Top patents by PatentIndex Score
51 records- 0197US5954313AMedical intravenous administration line connectors having a luer activated valveRYMED TECHNOLOGIES INC·Filed 1997·Granted Sep 21, 1999·156 cites·12 claims
- 0296US8096525B2Swabbable needle-free injection port valve system with zero fluid displacementRYAN DANA WM·Filed 2009·Granted Jan 17, 2012·140 cites·3 claims
- 0396US7530546B2Swabbable needle-free injection port valve system with zero fluid displacementRYMED TECHNOLOGIES INC·Filed 2006·Granted May 12, 2009·150 cites·6 claims
- 0496US5833213AMultiple dose drug vial adapter for use with a vial having a pierceable septum and a needleless syringeRYMED TECHNOLOGIES INC·Filed 1997·Granted Nov 10, 1998·273 cites·20 claims
- 0595US6994315B2Swabbable needle-free injection port valve system with neutral fluid displacementRYMED TECHNOLOGIES INC·Filed 2004·Granted Feb 7, 2006·313 cites·30 claims
- 0695US6299131B1Swabbable needleless injection port system having low refluxRYMED TECHNOLOGIES INC·Filed 2000·Granted Oct 9, 2001·264 cites·13 claims
- 0795US6113068ASwabbable needleless injection port system having low refluxRYMED TECHNOLOGIES·Filed 1998·Granted Sep 5, 2000·443 cites·44 claims
- 0895US5336220ATubing for endoscopic electrosurgical suction-irrigation instrumentSYMBIOSIS CORP·Filed 1992·Granted Aug 9, 1994·455 cites·10 claims
- 0995US5312400ACautery probes for endoscopic electrosurgical suction-irrigation instrumentSYMBIOSIS CORP·Filed 1992·Granted May 17, 1994·458 cites·19 claims
- 1094US5788215AMedical intravenous administration line connectors having a luer or pressure activated valveRYMED TECHNOLOGIES·Filed 1995·Granted Aug 4, 1998·251 cites·35 claims
- 1192USD358645SBone marrow biopsy needleSYMBIOSIS CORP·Filed 1993·Granted May 23, 1995·39 cites·1 claims
- 1291USD315822SSafety shield for intravenous needlesRYAN MEDICAL INC·Filed 1990·Granted Mar 26, 1991·37 cites·1 claims
- 1390US5549565AReusable surgical trocar with disposable valve assemblySYMBIOSIS CORP·Filed 1993·Granted Aug 27, 1996·341 cites·55 claims
- 1489US10105529B2Needleless, intermittent, neutral displacement IV injection portRYMED TECH LLC·Filed 2015·Granted Oct 23, 2018·9 cites·17 claims
- 1589US5314406AEndoscopic electrosurgical suction-irrigation instrumentSYMBIOSIS CORP·Filed 1992·Granted May 24, 1994·367 cites·18 claims
- 1688US6158458AMedical intravenous administration line connectors having a luer or pressure activated valveFiled 1999·Granted Dec 12, 2000·121 cites·8 claims
- 1786US6099505AValve assembly with automatic valveSYMBIOSIS CORP·Filed 1998·Granted Aug 8, 2000·177 cites·48 claims
- 1885US9925365B1Needleless IV injection portRYMED TECH LLC·Filed 2017·Granted Mar 27, 2018·7 cites·25 claims
- 1985US5395348AMedical intravenous administration line connectorsSYMBIOSIS CORP·Filed 1993·Granted Mar 7, 1995·247 cites·18 claims
- 2083US5429596AEndoscopic electrosurgical suction-irrigation instrumentSYMBIOSIS CORP·Filed 1994·Granted Jul 4, 1995·224 cites·18 claims
- 2182US5693031AMethod of using reusable surgical trocar with disposable valve assemblySYMBIOSIS CORP·Filed 1995·Granted Dec 2, 1997·153 cites·15 claims
- 2282US5344407ASafety holder for pre-filled disposable syringe cartridgeRYAN DANA W·Filed 1993·Granted Sep 6, 1994·218 cites·20 claims
- 2381US5312363ALow friction slit valveSYMBIOSIS CORP·Filed 1993·Granted May 17, 1994·249 cites·20 claims
- 2480US2025041581A1High flow, needleless connectorRYMED TECH LLC·Filed 2024·Application pending·0 cites
- 2579US10357645B2Needleless IV injection portFRESENIUS KABI DEUTSCHLAND GMBH·Filed 2018·Granted Jul 23, 2019·3 cites·10 claims
- 2679US5871471ADisposable value assembly for reusable surgical trocarSYMBIOSIS CORP·Filed 1995·Granted Feb 16, 1999·189 cites·24 claims
- 2778US12151076B2High flow, needleless connectorRYMED TECH LLC·Filed 2023·Granted Nov 26, 2024·0 cites·10 claims
- 2878US5139483AMedical intravenous administration line connectorRYAN MEDICAL INC·Filed 1991·Granted Aug 18, 1992·189 cites·13 claims
- 2972US5312327ACautery override safety systems endoscopic electrosurgical suction-irrigation instrumentSYMBIOSIS CORP·Filed 1992·Granted May 17, 1994·139 cites·22 claims
- 3072US5292308AThree piece intravenous line connectorRYAN DANA W·Filed 1993·Granted Mar 8, 1994·152 cites·18 claims
- 3171US12458727B2Anti-microbial medical materials and devicesRYMED TECH LLC·Filed 2021·Granted Nov 4, 2025·0 cites·10 claims
- 3270US5088982ASafety winged needle medical devicesRYAN MEDICAL INC·Filed 1988·Granted Feb 18, 1992·114 cites·18 claims
- 3366US11857752B2High flow, needleless connectorRYMED TECH LLC·Filed 2020·Granted Jan 2, 2024·0 cites·16 claims
- 3466US5085639ASafety winged needle medical devicesRYAN MEDICAL INC·Filed 1989·Granted Feb 4, 1992·103 cites·30 claims
- 3563USD353886SEndoscopic electrosurgical suction-irrigation instrumentSYMBIOSIS CORP·Filed 1992·Granted Dec 27, 1994·11 cites·1 claims
- 3662US5354291AProbe for endoscopic suction-irrigation instruments having a proximal port for receiving an additional probe therethroughSYMBIOSIS CORP·Filed 1992·Granted Oct 11, 1994·98 cites·20 claims
- 3760US4923445ASafety needled medical devicesRYAN MEDICAL INC·Filed 1988·Granted May 8, 1990·81 cites·23 claims
- 3859US11406811B2Needleless IV injection portFRESENIUS KABI DEUTSCHLAND GMBH·Filed 2019·Granted Aug 9, 2022·0 cites·4 claims
- 3958US5059185ASafety needled medical devicesRYAN MEDICAL INC·Filed 1988·Granted Oct 22, 1991·75 cites·19 claims
- 4058US2017281824A1Anti-Microbial Medical Materials and DevicesRYMED TECH LLC·Filed 2017·Application pending·0 cites
- 4154US10786664B2Needleless, intermittent, neutral displacement IV injection portFRESENIUS KABI DEUTSCHLAND GMBH·Filed 2018·Granted Sep 29, 2020·0 cites·9 claims
- 4252US5067945ASafety needled medical devices capable of one-handed manipulationRYAN MEDICAL INC·Filed 1989·Granted Nov 26, 1991·70 cites·38 claims
- 4352US5066286ASafety multiple sample luer adapter assemblyRYAN MEDICAL INC·Filed 1990·Granted Nov 19, 1991·65 cites·20 claims
- 4452US2009028750A1Cleaning and Disinfection Swabbing Device for Needle-Free Intravenous (IV) ConnectorsRYAN DANA WM·Filed 2007·Application pending·0 cites
- 4549US5350356AEndoscopic suction-irrigation instrument with insertable probe lockable in partially withdraw positionSYMBIOSIS CORP·Filed 1992·Granted Sep 27, 1994·46 cites·12 claims
- 4649US5154699ASafety winged needle device for use with fistulasRYAN MEDICAL INC·Filed 1990·Granted Oct 13, 1992·51 cites·30 claims
- 4749US5066287ASafety multiple sample rear adapter assemblyRYAN MEDICAL INC·Filed 1990·Granted Nov 19, 1991·51 cites·11 claims
- 4848US5336172AEndoscopic suction-irrigation instrument having insertible probes with lateral portsSYMBIOSIS CORP·Filed 1992·Granted Aug 9, 1994·52 cites·18 claims
- 4941US2019134303A1Needleless IV Injection PortFRESENIUS KABI DEUTSCHLAND GMBH·Filed 2018·Application pending·0 cites
- 5039US2012109077A1Swabbable Needle-Free Injection Port Valve System With Zero Fluid DisplacementRYAN DANA WM·Filed 2012·Application pending·0 cites
Showing the top 50 of 51 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →