Inventor · disambiguated record
John Heffernan
Also filed as: HEFFERNAN JOHN · HEFFERNAN JOHN A · HEFFERNAN JOHN FRANCIS STEEPLE
10 granted patents·5 pending applications·134 citations·filing 1991–2023
88Inventor score
Files withHEFFERNAN JOHN4Ecopwrs LLC2SMEAD MFG CO2DOCUMENTATION SERVICE INC MACHINERY VERIFICATION &1ESSELTE PENDAFLEX CORP1
Top patents by PatentIndex Score
15 records- 0187US5720427AReinforced expandable foldersSMEAD MFG CO·Filed 1996·Granted Feb 24, 1998·47 cites·31 claims
- 0276US8613291B2Apparatus for repairing and upgrading pipesHEFFERNAN JOHN FRANCIS STEEPLE·Filed 2010·Granted Dec 24, 2013·7 cites·10 claims
- 0375US5161731AReinforced expandable folderESSELTE PENDAFLEX CORP·Filed 1991·Granted Nov 10, 1992·31 cites·43 claims
- 0468US2024139651A1Systems and methods for integrated management of associated gas and produced water at oil well extraction sitesEcopwrs LLC·Filed 2023·Application pending·0 cites
- 0566US7468680B2Traffic light safety zoneHEFFERNAN JOHN·Filed 2006·Granted Dec 23, 2008·9 cites·7 claims
- 0663US5711750AReinforced expandable foldersSMEAD MFG CO·Filed 1995·Granted Jan 27, 1998·29 cites·4 claims
- 0760US11845017B2Systems and methods for integrated management of associated gas and produced water at oil well extraction sitesEcopwrs LLC·Filed 2021·Granted Dec 19, 2023·0 cites·15 claims
- 0856US9545118B2Potato chip crumb condimentsHEFFERNAN JOHN·Filed 2014·Granted Jan 17, 2017·0 cites·11 claims
- 0952US6315212B1Float ventFiled 2000·Granted Nov 13, 2001·11 cites·10 claims
- 1050US2015178791A1Dual use advertising exchangeHEFFERNAN JOHN·Filed 2014·Application pending·0 cites
- 1146US10962163B2Apparatus for blocking fluid flow through pipesNLB ENGINEERING LTD·Filed 2017·Granted Mar 30, 2021·0 cites·18 claims
- 1238US2016354846A1Annular cutterNLB ENG LTD·Filed 2016·Application pending·0 cites
- 1337US2015186430A1Cell phone business register systemHEFFERNAN JOHN·Filed 2014·Application pending·0 cites
- 1429US9854925B2Home baking kit with computer interfaceMACHINERY VERIFICATION & DOCUMENTATION SERVICE INC·Filed 2016·Granted Jan 2, 2018·0 cites·16 claims
- 1526US2013184857A1Home baking kit with computer interfaceDOCUMENTATION SERVICE INC MACHINERY VERIFICATION &·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →