Inventor · disambiguated record

Craig Husfeld

Also filed as: HUSFELD CRAIG · HUSFELD CRAIG O

85 granted patents·20 pending applications·1,264 citations·filing 2003–2025

99Inventor score

Technology areasA61P A61K C07D G01N C07C

Files withTHERAVANCE INC35 CONCENTRIC ANALGESICS INC13 JENKINS THOMAS E11 SIGNATURE THERAPEUTICS INC11 JI YUHUA10

Top patents by PatentIndex Score

105 records

0199US7288657B2Biphenyl compounds useful as muscarinic receptor antagonistsTHERAVANCE INC·Filed 2005·Granted Oct 30, 2007·71 cites·18 claims
0298US11247969B2Biphenyl compounds useful as muscarinic receptor antagonistsTHERAVANCE BIOPHARMA R&D IP LLC·Filed 2020·Granted Feb 15, 2022·6 cites·10 claims
0397US8497237B2Compositions comprising enzyme-cleavable oxycodone prodrugJENKINS THOMAS E·Filed 2012·Granted Jul 30, 2013·27 cites·31 claims
0497US8053448B2Biphenyl compounds useful as muscarinic receptor antagonistsTHERAVANCE INC·Filed 2011·Granted Nov 8, 2011·24 cites·2 claims
0597US8034946B2Biphenyl compounds useful as muscarinic receptor antagonistsTHERAVANCE INC·Filed 2010·Granted Oct 11, 2011·28 cites·2 claims
0697US7910608B2Biphenyl compounds useful as muscarinic receptor antagonistsTHERAVANCE INC·Filed 2007·Granted Mar 22, 2011·32 cites·4 claims
0797US7585879B2Biphenyl compounds useful as muscarinic receptor antagonistsTHERAVANCE INC·Filed 2007·Granted Sep 8, 2009·35 cites·12 claims
0897US7550595B2Biphenyl compounds useful as muscarinic receptor antagonistsTHERAVANCE INC·Filed 2007·Granted Jun 23, 2009·37 cites·22 claims
0997US7524965B2Dialkylphenyl compounds having β2 adrenergic receptor agonist and muscarinic receptor antagonist activityTHERAVANCE INC·Filed 2007·Granted Apr 28, 2009·44 cites·10 claims
1097US7521041B2Biphenyl compounds useful as muscarinic receptor antagonistsTHERAVANCE INC·Filed 2007·Granted Apr 21, 2009·27 cites·22 claims
1197US7491736B2Biphenyl compounds useful as muscarinic receptor antagonistsTHERAVANCE INC·Filed 2007·Granted Feb 17, 2009·29 cites·24 claims
1297US7265133B2Biphenyl compounds useful as muscarinic receptor antagonistsTHERAVANCE INC·Filed 2005·Granted Sep 4, 2007·65 cites·20 claims
1397US7262205B2Biphenyl compounds useful as muscarinic receptor antagonistsTHERAVANCE INC·Filed 2005·Granted Aug 28, 2007·50 cites·21 claims
1496US10570092B2Biphenyl compounds useful as muscarinic receptor antagonistsTHERAVANCE BIOPHARMA R&D IP LLC·Filed 2019·Granted Feb 25, 2020·8 cites·5 claims
1596US10343995B2Biphenyl compounds useful as muscarinic receptor antagonistsTHERAVANCE BIOPHARMA R&D IP LLC·Filed 2018·Granted Jul 9, 2019·9 cites·23 claims
1696US9452161B2Biphenyl compounds useful as muscarinic receptor antagonistsMAMMEN MATHAI·Filed 2016·Granted Sep 27, 2016·11 cites·9 claims
1796US9139612B2Active agent prodrugs with heterocyclic linkersJENKINS THOMAS E·Filed 2012·Granted Sep 22, 2015·20 cites·29 claims
1896US9040032B2Compositions comprising enzyme-cleavable opioid prodrugs and inhibitors thereofSIGNATURE THERAPEUTICS INC·Filed 2012·Granted May 26, 2015·27 cites·51 claims
1996US8569228B2Compositions comprising enzyme-cleavable oxycodone prodrugJENKINS THOMAS E·Filed 2012·Granted Oct 29, 2013·27 cites·31 claims
2096US7803812B2Biphenyl compounds useful as muscarinic receptor antagonistsTHERAVANCE INC·Filed 2009·Granted Sep 28, 2010·19 cites·30 claims
2196US7479562B2Biphenyl compounds useful as muscarinic receptor antagonistsTHERAVANCE INC·Filed 2006·Granted Jan 20, 2009·39 cites·24 claims
2296US7141671B2Biphenyl derivativesTHERAVANCE INC·Filed 2004·Granted Nov 28, 2006·145 cites·42 claims
2395US10106503B2Biphenyl compounds useful as muscarinic receptor antagonistsTHERAVANCE BIOPHARMA R&D IP LLC·Filed 2018·Granted Oct 23, 2018·9 cites·25 claims
2495US9926272B2Biphenyl compounds useful as muscarinic receptor antagonistsTHERAVANCE BIOPHARMA R&D IP LLC·Filed 2016·Granted Mar 27, 2018·9 cites·7 claims
2595US9283183B2Biphenyl compounds useful as muscarinic receptor antagonistsMAMMEN MATHAI·Filed 2014·Granted Mar 15, 2016·12 cites·17 claims
2695US8912334B2Biphenyl compounds useful as muscarinic receptor antagonistsMAMMEN MATHAI·Filed 2013·Granted Dec 16, 2014·13 cites·6 claims
2795US8685916B2Opioid prodrugs with heterocyclic linkersJENKINS THOMAS E·Filed 2012·Granted Apr 1, 2014·30 cites·123 claims
2895US8557997B2Biphenyl compounds useful as muscarinic receptor antagonistsMAMMEN MATHAI·Filed 2012·Granted Oct 15, 2013·13 cites·6 claims
2995US8273894B2Biphenyl compounds useful as muscarinic receptor antagonistsMAMMEN MATHAI·Filed 2012·Granted Sep 25, 2012·15 cites·14 claims
3095US8173815B2Biphenyl compounds useful as muscarinic receptor antagonistsMAMMEN MATHAI·Filed 2011·Granted May 8, 2012·15 cites·10 claims
3195US8017783B2Biphenyl compounds useful as muscarinic receptor antagonistsTHERAVANCE INC·Filed 2007·Granted Sep 13, 2011·17 cites·13 claims
3295US7629336B2Biphenyl compounds useful as muscarinic receptor antagonistsTHERAVANCE INC·Filed 2006·Granted Dec 8, 2009·29 cites·12 claims
3395US7501442B2Biphenyl compounds useful as muscarinic receptor antagonistsTHERAVANCE INC·Filed 2005·Granted Mar 10, 2009·40 cites·23 claims
3494US7879879B2Biphenyl derivativesTHERAVANCE INC·Filed 2006·Granted Feb 1, 2011·19 cites·7 claims
3594US7687521B2Dialkylphenyl compounds having beta2 adrenergic receptor agonist and muscarinic receptor antagonist activityTHERAVANCE INC·Filed 2009·Granted Mar 30, 2010·23 cites·11 claims
3694US7683173B2Biphenyl compounds useful as muscarinic receptor antagonistsTHERAVANCE INC·Filed 2008·Granted Mar 23, 2010·23 cites·21 claims
3793US9585963B2Compositions comprising enzyme-cleavable opioid prodrugs and inhibitors thereofSIGNATURE THERAPEUTICS INC·Filed 2015·Granted Mar 7, 2017·7 cites·47 claims
3893US8962547B2Compositions comprising enzyme-cleavable oxycodone prodrugSIGNATURE THERAPEUTICS INC·Filed 2013·Granted Feb 24, 2015·15 cites·12 claims
3992US7851631B2Biphenyl compounds useful as muscarinic receptor antagonistsTHERAVANCE INC·Filed 2007·Granted Dec 14, 2010·15 cites·17 claims
4092US7728144B2Biphenyl compounds useful as muscarinic receptor antagonistsTHERAVANCE INC·Filed 2006·Granted Jun 1, 2010·20 cites·17 claims
4191US9359316B1Prodrugs of phenolic TRPV1 agonistsCONCENTRIC ANALGESICS INC·Filed 2015·Granted Jun 7, 2016·18 cites·1 claims
4291US8134006B2Dialkylphenyl compounds having β2 adrenergic receptor agonist and muscarinic receptor antagonist activityCOLSON PIERRE-JEAN·Filed 2010·Granted Mar 13, 2012·15 cites·8 claims
4391US7851632B2Biphenyl compounds useful as muscarinic receptor antagonistsTHERAVANCE INC·Filed 2007·Granted Dec 14, 2010·14 cites·14 claims
4490US7868175B2Biphenyl compounds useful as muscarinic receptor antagonistsTHERAVANCE INC·Filed 2009·Granted Jan 11, 2011·11 cites·13 claims
4589US9095627B2Opioid prodrugs with heterocyclic linkersSIGNATURE THERAPEUTICS INC·Filed 2014·Granted Aug 4, 2015·11 cites·114 claims
4687US9499581B2Compositions comprising enzyme-cleavable oxycodone prodrugSIGNATURE THERAPEUTICS INC·Filed 2015·Granted Nov 22, 2016·5 cites·14 claims
4787US8067439B2Biphenyl compounds useful as muscarinic receptor antagonistsMAMMEN MATHAI·Filed 2010·Granted Nov 29, 2011·8 cites·17 claims
4887US7834185B2Quaternary ammonium diphenylmethyl compounds useful as muscarinic receptor antagonistsTHERAVANCE INC·Filed 2008·Granted Nov 16, 2010·8 cites·43 claims
4986US8501776B2Biphenyl compounds useful as muscarinic receptor antagonistsJI YUHUA·Filed 2010·Granted Aug 6, 2013·7 cites·13 claims
5086US8017617B2Amidine-containing compounds useful as muscarinic receptor antagonistsTHERAVANCE INC·Filed 2008·Granted Sep 13, 2011·7 cites·22 claims

Showing the top 50 of 105 patent records by PatentIndex Score.

Join the waitlist — get patent alerts

Get an alert when Craig Husfeld files or is granted a new patent.

We store only your email — no account needed. See our privacy policy.

Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →