Inventor · disambiguated record
John K. Masselink
Also filed as: MASSELINK JOHN · MASSELINK JOHN K
38 granted patents·4 pending applications·1,340 citations·filing 1992–2018
98Inventor score
Top patents by PatentIndex Score
42 records- 0199US9526724B2Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2016·Granted Dec 27, 2016·56 cites·30 claims
- 0299US9205056B2Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2015·Granted Dec 8, 2015·21 cites·30 claims
- 0399US9205055B2Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2015·Granted Dec 8, 2015·21 cites·20 claims
- 0499US9198863B2Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2015·Granted Dec 1, 2015·21 cites·30 claims
- 0599US9056052B1Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2015·Granted Jun 16, 2015·24 cites·30 claims
- 0699US9023401B1Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2014·Granted May 5, 2015·25 cites·30 claims
- 0799US8951555B1Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2014·Granted Feb 10, 2015·24 cites·28 claims
- 0899US8715721B2Controlled release hydrocodonePURDUE PHARMA LP·Filed 2013·Granted May 6, 2014·34 cites·34 claims
- 0999US8647667B2Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2013·Granted Feb 11, 2014·81 cites·38 claims
- 1099US8551520B2Controlled release hydrocodonePURDUE PHARMA LP·Filed 2012·Granted Oct 8, 2013·68 cites·19 claims
- 1199US8361499B2Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2012·Granted Jan 29, 2013·54 cites·30 claims
- 1299US8231898B2Controlled release hydrocodone formulationsOSHLACK BENJAMIN·Filed 2010·Granted Jul 31, 2012·60 cites·20 claims
- 1399US8142811B2Controlled release hydrocodone formulationsOSHLACK BENJAMIN·Filed 2009·Granted Mar 27, 2012·74 cites·30 claims
- 1499US7514100B2Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2003·Granted Apr 7, 2009·129 cites·42 claims
- 1599US6733783B2Controlled release hydrocodone formulationsEURO CELTIQUE SA·Filed 2001·Granted May 11, 2004·396 cites·40 claims
- 1698US9289391B2Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2015·Granted Mar 22, 2016·16 cites·30 claims
- 1798US9060940B2Controlled release hydrocodonePURDUE PHARMA LP·Filed 2014·Granted Jun 23, 2015·19 cites·20 claims
- 1898US7943174B2Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2004·Granted May 17, 2011·145 cites·29 claims
- 1995US9517236B2Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2016·Granted Dec 13, 2016·4 cites·30 claims
- 2095US9504681B2Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2016·Granted Nov 29, 2016·4 cites·30 claims
- 2195US9056107B1Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2015·Granted Jun 16, 2015·12 cites·30 claims
- 2295US8980291B2Controlled release hydrocodone formulationsOSHLACK BENJAMIN·Filed 2010·Granted Mar 17, 2015·19 cites·36 claims
- 2391US8975273B2Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2014·Granted Mar 10, 2015·7 cites·24 claims
- 2490US9320717B2Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2015·Granted Apr 26, 2016·5 cites·13 claims
- 2590US9278074B2Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2015·Granted Mar 8, 2016·5 cites·33 claims
- 2688US9669022B2Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2016·Granted Jun 6, 2017·3 cites·29 claims
- 2779US8883204B2Tamper resistant co-extruded dosage form containing an active agent and an adverse agent and process of making sameFLATH ROBERT P·Filed 2008·Granted Nov 11, 2014·5 cites·15 claims
- 2879US2018353502A1Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2018·Application pending·0 cites
- 2977US10179130B2Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2013·Granted Jan 15, 2019·1 cites·4 claims
- 3075US9682077B2Methods of providing analgesiaPURDUE PHARMA LP·Filed 2016·Granted Jun 20, 2017·0 cites·27 claims
- 3175US9669023B2Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2016·Granted Jun 6, 2017·0 cites·28 claims
- 3273US9572805B2Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2016·Granted Feb 21, 2017·0 cites·30 claims
- 3373US9572804B2Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2016·Granted Feb 21, 2017·0 cites·30 claims
- 3471US10022368B2Methods of manufacturing oral formulationsPURDUE PHARMA LP·Filed 2016·Granted Jul 17, 2018·0 cites·40 claims
- 3571US2019022086A1Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2018·Application pending·0 cites
- 3668US10076516B2Methods of manufacturing oral dosage formsPURDUE PHARMA LP·Filed 2016·Granted Sep 18, 2018·0 cites·32 claims
- 3768US9675611B1Methods of providing analgesiaPURDUE PHARMA LP·Filed 2016·Granted Jun 13, 2017·0 cites·32 claims
- 3868US9669024B2Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2016·Granted Jun 6, 2017·0 cites·32 claims
- 3968US2014112981A1Controlled release hydrocodone formulationsPURDUE PHARMA LP·Filed 2013·Application pending·0 cites
- 4062US10441547B2Tamper resistant co-extruded dosage form containing an active agent and an adverse agent and process of making samePURDUE PHARMA LP·Filed 2014·Granted Oct 15, 2019·0 cites·17 claims
- 4138US2007269505A1Tamper Resistant Co-Extruded Dosage Form Containing An Active Agent And An Adverse Agent And Process Of Making SameFLATH ROBERT P·Filed 2004·Application pending·0 cites
- 4233US5214856AScrew thread measuring deviceMORSE HEMCO CORP·Filed 1992·Granted Jun 1, 1993·7 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →