Inventor · disambiguated record
David A. Walsh
Also filed as: WALSH DAVID A · WALSH DAVID ALLAN
60 granted patents·11 pending applications·1,937 citations·filing 1979–2024
99Inventor score
Files withROBINS CO INC A H29UNITED THERAPEUTICS CORP17BATRA HITESH4BIOCRYST PHARM INC3ILLINOIS TOOL WORKS3
Top patents by PatentIndex Score
71 records- 0199US4670566A3-methyl-hio-4-(5-, 6-, or 7-)phenylindolindolin-2-onesROBINS CO INC A H·Filed 1984·Granted Jun 2, 1987·120 cites·5 claims
- 0299US4440785AMethods of using 2-aminobiphenylacetic acids, esters, and metal salts thereof to treat inflammationROBINS CO INC A H·Filed 1982·Granted Apr 3, 1984·98 cites·8 claims
- 0398US9593061B2Synthesis of intermediates for producing prostacyclin derivativesUNITED THERAPEUTICS CORP·Filed 2015·Granted Mar 14, 2017·13 cites·22 claims
- 0498US9156786B2Process to prepare treprostinil, the active ingredient in remodulin®UNITED THERAPEUTICS CORP·Filed 2013·Granted Oct 13, 2015·44 cites·15 claims
- 0598US8940930B2Treprostinil productionBATRA HITESH·Filed 2012·Granted Jan 27, 2015·52 cites·9 claims
- 0698US8497393B2Process to prepare treprostinil, the active ingredient in Remodulin®BATRA HITESH·Filed 2012·Granted Jul 30, 2013·86 cites·22 claims
- 0798US8481782B2Treprostinil productionBATRA HITESH·Filed 2011·Granted Jul 9, 2013·80 cites·23 claims
- 0898US8242305B2Process to prepare treprostinil, the active ingredient in remodulinBATRA HITESH·Filed 2008·Granted Aug 14, 2012·79 cites·28 claims
- 0997US8748657B2Process to prepare treprostinilUNITED THERAPEUTICS CORP·Filed 2013·Granted Jun 10, 2014·29 cites·7 claims
- 1097US8350079B2Treprostinil formulationUNITED THERAPEUTICS CORP·Filed 2009·Granted Jan 8, 2013·66 cites·11 claims
- 1197US4950674AArylalkylheterocyclic amines,N-substituted by aryloxyalkyl group in a method for allergy treatmentROBINS CO INC A H·Filed 1988·Granted Aug 21, 1990·68 cites·57 claims
- 1296US4810713AArylalkyl-heterocyclic amines, n-substituted by aryloxyalkyl groups used in a method for allergy treatmentROBINS CO INC A H·Filed 1985·Granted Mar 7, 1989·54 cites·101 claims
- 1394US11723887B2Process to prepare treprostinil, the active ingredient in Remodulin®UNITED THERAPEUTICS CORP·Filed 2019·Granted Aug 15, 2023·2 cites·11 claims
- 1494US9593066B2Process to prepare treprostinil, the active ingredient in remodulin®UNITED THERAPEUTICS CORP·Filed 2015·Granted Mar 14, 2017·9 cites·10 claims
- 1594US4313949AMethod of producing an inhibitory effect on blood platelet aggregationROBINS CO INC A H·Filed 1981·Granted Feb 2, 1982·36 cites·9 claims
- 1693US9604901B2Process to prepare treprostinil, the active ingredient in Remodulin®UNITED THERAPEUTICS CORP·Filed 2015·Granted Mar 28, 2017·7 cites·9 claims
- 1793US2025002442A1Synthesis of intermediates for producing prostacyclin derivativesUNITED THERAPEUTICS CORP·Filed 2024·Application pending·0 cites
- 1892US5273993ACompounds having one or more aminosulfonyloxy radicals useful as pharmaceuticalsROBINS CO INC A H·Filed 1992·Granted Dec 28, 1993·63 cites·9 claims
- 1992US5194446ACompounds having one or more aminosulfaonyloxy radicals useful as pharmaceuticalsROBINS CO INC A H·Filed 1991·Granted Mar 16, 1993·63 cites·14 claims
- 2092US5025031AAryl and aryloxyalkyl sulfamate esters useful as anticonvulsantsROBINS CO INC A H·Filed 1989·Granted Jun 18, 1991·42 cites·14 claims
- 2191US4254135A3-Amino-4-hydroxypyrrolidinesROBINS CO INC A H·Filed 1979·Granted Mar 3, 1981·21 cites·93 claims
- 2291US2023338313A1Process to prepare treprostinil, the active ingredient in remodulin®UNITED THERAPEUTICS CORP·Filed 2023·Application pending·0 cites
- 2387US5602277ASubstituted benzene derivatives useful as neuraminidase inhibitorsBIOCRYST PHARM INC·Filed 1995·Granted Feb 11, 1997·33 cites·25 claims
- 2487US5070087AAryl(alkyland alkylene)-N-((phenoxy and phenylthio)alkyl) aminoheterocyclics as cardiovascular, anthihistaminic, antisecretory and antiallergy agentsROBINS CO INC A H·Filed 1989·Granted Dec 3, 1991·90 cites·5 claims
- 2587US4254146A3-Benzoyl-2-nitrophenylacetic acids, metal salts, amides and estersROBINS CO INC A H·Filed 1979·Granted Mar 3, 1981·18 cites·18 claims
- 2685US10548863B2Process to prepare treprostinil, the active ingredient in Remodulin®UNITED THERAPEUTICS CORP·Filed 2017·Granted Feb 4, 2020·2 cites·4 claims
- 2785US10478410B2Process to prepare treprostinil, the active ingredient in Remodulin®UNITED THERAPEUTICS CORP·Filed 2017·Granted Nov 19, 2019·2 cites·3 claims
- 2885US10322099B2Process to prepare treprostinil, the active ingredient in remodulin®UNITED THERAPEUTICS CORP·Filed 2017·Granted Jun 18, 2019·2 cites·2 claims
- 2983US4705500AOphthalmic aspirator-irrigatorMENTOR O & O INC·Filed 1986·Granted Nov 10, 1987·150 cites·18 claims
- 3083US2022213020A1Synthesis of intermediates for producing prostacyclin derivativesUNITED THERAPEUTICS CORP·Filed 2022·Application pending·0 cites
- 3182US10005753B2Methods for producing beraprost and its derivativesLUNG BIOTECHNOLOGY PBC·Filed 2015·Granted Jun 26, 2018·2 cites·13 claims
- 3282US4764165AOphthalmic aspirator-irrigator with valveMENTOR O & O INC·Filed 1987·Granted Aug 16, 1988·148 cites·11 claims
- 3381US5061720ASubstituted-4-thiazolidinone derivativesROBINS CO INC A H·Filed 1989·Granted Oct 29, 1991·17 cites·31 claims
- 3480US12089882B2Method and system for assembling a structure to secure to opposite sides of a fracture in a bone of a subjectFUSION INNOVATIONS LLC·Filed 2020·Granted Sep 17, 2024·2 cites·22 claims
- 3578US10774027B2Synthesis of intermediates for producing prostacyclin derivativesUNITED THERAPEUTICS CORP·Filed 2019·Granted Sep 15, 2020·0 cites·19 claims
- 3677US11225452B2Synthesis of intermediates for producing prostacyclin derivativesUNITED THERAPEUTICS CORP·Filed 2020·Granted Jan 18, 2022·0 cites·43 claims
- 3777US6196969B1Tissue retractor adapted for the attachment of an auxiliary elementLAB ENGINEERING & MFG INC·Filed 1999·Granted Mar 6, 2001·277 cites·20 claims
- 3874US4585785ACis and trans-3-aryloxy-4-hydroxypyrrolidines used as anti-arrhythmicsROBINS CO INC A H·Filed 1980·Granted Apr 29, 1986·8 cites·3 claims
- 3972US5057524A4-[diaryl)hydroxymethyl]-1-piperidinealkylcarboxylic acids, salts and esters useful in the treatment of allergic disordersROBINS CO INC A H·Filed 1990·Granted Oct 15, 1991·12 cites·15 claims
- 4072US4503073A2-Amino-3-(alkylthiobenzoyl)-phenylacetic acidsROBINS CO INC A H·Filed 1983·Granted Mar 5, 1985·29 cites·28 claims
- 4172US4333951A2-Amino-6-biphenylacetic acidsROBINS CO INC A H·Filed 1980·Granted Jun 8, 1982·7 cites·12 claims
- 4271US10196342B2Synthesis of intermediates for producing prostacyclin derivativesUNITED THERAPEUTICS CORP·Filed 2017·Granted Feb 5, 2019·0 cites·12 claims
- 4371US6946554B2Process for the preparation of 9-deazaguanine derivativesBIOCRYST PHARM INC·Filed 2004·Granted Sep 20, 2005·3 cites·13 claims
- 4469US4960776A4-aryl-N-(alkylaminoalkyl, heterocyclicamino and heterocyclicamino)alkyl)-1-piperazinecarboxamidesROBINS CO INC A H·Filed 1987·Granted Oct 2, 1990·8 cites·73 claims
- 4567US10640481B2Methods for producing Beraprost and its derivativesLUNG BIOTECHNOLOGY PBC·Filed 2019·Granted May 5, 2020·0 cites·1 claims
- 4667USD543445SCordlockILLINOIS TOOL WORKS·Filed 2005·Granted May 29, 2007·16 cites·1 claims
- 4767US2015105582A1Treprostinil productionUNITED THERAPEUTICS CORP·Filed 2014·Application pending·0 cites
- 4865USD562728SStrap securing deviceILLINOIS TOOL WORKS·Filed 2006·Granted Feb 26, 2008·14 cites·1 claims
- 4964US4886794A4-[(α,α-diaryl)-hydroxymethyl]-1-piperidinylalkyl-cyclic carbamate derivatives as allergic response inhibitorsROBINS CO INC A H·Filed 1988·Granted Dec 12, 1989·6 cites·60 claims
- 5062US10246430B2Methods for producing Beraprost and its derivativesLUNG BIOTECHNOLOGY PBC·Filed 2018·Granted Apr 2, 2019·0 cites·10 claims
Showing the top 50 of 71 patent records by PatentIndex Score.
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