Inventor · disambiguated record
Douglas Adam Whitcher
Also filed as: MCLELLAN LEGAL REPRESENTATIVE MARGARET · WHITCHER DOUGLAS · WHITCHER DOUGLAS ADAM
12 granted patents·6 pending applications·49 citations·filing 2006–2022
86Inventor score
Files withKONINKLIJKE PHILIPS NV7WHITCHER DOUGLAS ADAM4RIC INVESTMENTS LLC3WHITCHER DOUGLAS2DICKERSON BRIAN EDWARD1
Top patents by PatentIndex Score
18 records- 0190US7721733B2Portable liquid oxygen delivery systemRIC INVESTMENTS LLC·Filed 2006·Granted May 25, 2010·36 cites·22 claims
- 0282US11491438B2Oxygen concentrator system and method for operating the sameKONINKLIJKE PHILIPS NV·Filed 2020·Granted Nov 8, 2022·1 cites·15 claims
- 0378US10583265B2Proportional oxygen conserving device with flow sensingWHITCHER DOUGLAS ADAM·Filed 2012·Granted Mar 10, 2020·4 cites·11 claims
- 0468US9841228B2System and method for liquefying a fluid and storing the liquefied fluidKONINKLIJKE PHILIPS NV·Filed 2015·Granted Dec 12, 2017·1 cites·15 claims
- 0567US9321001B2Portable oxygen concentrator with integrated manifoldWHITCHER DOUGLAS ADAM·Filed 2012·Granted Apr 26, 2016·2 cites·16 claims
- 0658US8468839B2Portable liquid oxygen storage unitWHITCHER DOUGLAS·Filed 2008·Granted Jun 25, 2013·2 cites·27 claims
- 0756US8256415B2Portable liquid oxygen delivery systemHUGHES ROY A·Filed 2010·Granted Sep 4, 2012·1 cites·4 claims
- 0852US2021260329A1Portable oxygen concentratorKONINKLIJKE PHILIPS NV·Filed 2021·Application pending·0 cites
- 0952US2023020263A1Multi-mode medical gas delivery with non-invasive ventilationKONINKLIJKE PHILIPS NV·Filed 2022·Application pending·0 cites
- 1049US11351326B2Portable oxygen concentrationKONINKLIJKE PHILIPS NV·Filed 2019·Granted Jun 7, 2022·0 cites·15 claims
- 1147US12135021B2Suspension system, compressor assembly and portable oxygen concentratorKONINKLIJKE PHILIPS NV·Filed 2022·Granted Nov 5, 2024·0 cites·16 claims
- 1246US2018369741A1Portable oxygen concentrator sieve bedKONINKLIJKE PHILIPS NV·Filed 2018·Application pending·0 cites
- 1343US2012180899A1Sytem and method for liquefying a fluid and storing the liquefied fluidDICKERSON BRIAN EDWARD·Filed 2010·Application pending·0 cites
- 1441US2014345609A1Portable oxygen concentratorWHITCHER DOUGLAS ADAM·Filed 2012·Application pending·0 cites
- 1540US9186476B2System and method for oxygen therapyWHITCHER DOUGLAS·Filed 2007·Granted Nov 17, 2015·0 cites·27 claims
- 1637US2014216453A1Oxygen concentrator supply line oberpressure protectionWHITCHER DOUGLAS ADAM·Filed 2012·Application pending·0 cites
- 1733USD568998SLiquid oxygen connectorRIC INVESTMENTS LLC·Filed 2007·Granted May 13, 2008·2 cites·1 claims
- 1827USD568997SLiquid oxygen connectorRIC INVESTMENTS LLC·Filed 2007·Granted May 13, 2008·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →