Inventor · disambiguated record
James A. Zigan
Also filed as: ZIGAN JAMES · ZIGAN JAMES A
15 granted patents·2 pending applications·147 citations·filing 2001–2024
90Inventor score
Top patents by PatentIndex Score
17 records- 0196US6598468B2Apparatus and methods for determining start of combustion for an internal combustion engineCUMMINS INC·Filed 2001·Granted Jul 29, 2003·88 cites·101 claims
- 0290US9518497B2System and method for determining the net output torque from a waste heat recovery systemCUMMINS INC·Filed 2014·Granted Dec 13, 2016·16 cites·18 claims
- 0390US8683801B2Rankine cycle condenser pressure control using an energy conversion device bypass valveERNST TIMOTHY C·Filed 2011·Granted Apr 1, 2014·11 cites·6 claims
- 0485US8627663B2Energy recovery system and method using an organic rankine cycle with condenser pressure regulationERNST TIMOTHY C·Filed 2009·Granted Jan 14, 2014·12 cites·19 claims
- 0583US9845711B2Waste heat recovery systemCUMMINS INC·Filed 2013·Granted Dec 19, 2017·4 cites·20 claims
- 0683US8662053B2Pre-combustion device for an internal combustion engineLAPOINTE LEON A·Filed 2010·Granted Mar 4, 2014·11 cites·28 claims
- 0782US10287923B2Flow and pressure estimators in a waste heat recovery systemCUMMINS INC·Filed 2015·Granted May 14, 2019·2 cites·16 claims
- 0880US10914228B2Waste heat recovery with active coolant pressure control systemCUMMINS INC·Filed 2017·Granted Feb 9, 2021·2 cites·15 claims
- 0976US2025105322A1Systems and methods of fuel cell humidifier leak detectionCUMMINS INC·Filed 2024·Application pending·0 cites
- 1070US10634012B2Flow and pressure estimators in a waste heat recovery systemCUMMINS INC·Filed 2019·Granted Apr 28, 2020·0 cites·20 claims
- 1163US10662823B2System and method for recovering waste heatMODINE MFG CO·Filed 2013·Granted May 26, 2020·0 cites·9 claims
- 1257US9683515B2Waste heat recovery system including a mechanism for collection, detection and removal of non-condensable gasCUMMINS INC·Filed 2014·Granted Jun 20, 2017·1 cites·26 claims
- 1354US10605149B2Waste heat recovery integrated cooling moduleCUMMINS INC·Filed 2015·Granted Mar 31, 2020·0 cites·19 claims
- 1454US9359968B2Air-fuel-ratio dithering using a dual fuel path sourceCUMMINS IP INC·Filed 2014·Granted Jun 7, 2016·0 cites·20 claims
- 1550US11739665B2Waste heat recovery system and controlCUMMINS INC·Filed 2020·Granted Aug 29, 2023·0 cites·20 claims
- 1649US9556778B2Waste heat recovery system including a clutched feedpumpCUMMINS INC·Filed 2013·Granted Jan 31, 2017·0 cites·17 claims
- 1747US2015000274A1Waste heat recovery system including connection to a vehicle air conditioning systemCUMMINS INC·Filed 2013·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when James A. Zigan 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 →