Inventor · disambiguated record
Abby True-Dahl
Also filed as: TRUE-DAHL ABBY
13 granted patents·2 pending applications·239 citations·filing 2004–2018
92Inventor score
Files withCUMMINS FILTRATION IP INC6FLEETGUARD INC3CUMMINS FLITRATION IP INC1JIANG ZEMIN1MARTIN HAROLD R1
Top patents by PatentIndex Score
15 records- 0198US7506663B2Magnetic check valveFLEETGUARD INC·Filed 2006·Granted Mar 24, 2009·65 cites·20 claims
- 0295US7153422B2Liquid additive slow-release apparatus driven by a filter pressure gradientFLEETGUARD INC·Filed 2004·Granted Dec 26, 2006·82 cites·11 claims
- 0391US11198077B2Standpipe with flow restriction valve, and filter cartridgeCUMMINS FILTRATION IP INC·Filed 2018·Granted Dec 14, 2021·4 cites·16 claims
- 0490US7867387B2Standpipe with flow restriction valve, and filter cartridgeCUMMINS FILTRATION IP INC·Filed 2007·Granted Jan 11, 2011·19 cites·9 claims
- 0588US8845897B2Drain valve for filter service and methodWIECZOREK MARK·Filed 2008·Granted Sep 30, 2014·21 cites·19 claims
- 0683US7297256B2Pressure gradient dosing system for fluid supplyFLEETGUARD INC·Filed 2005·Granted Nov 20, 2007·15 cites·36 claims
- 0780US8425772B2Filtration device with releasable additiveMARTIN HAROLD R·Filed 2011·Granted Apr 23, 2013·10 cites·20 claims
- 0878US7563368B2Filtration device with releasable additiveCUMMINS FILTRATION IP INC·Filed 2006·Granted Jul 21, 2009·12 cites·10 claims
- 0975US8002981B2Fuel filter assembly with flow restriction sleeveCUMMINS FILTRATION IP INC·Filed 2007·Granted Aug 23, 2011·6 cites·21 claims
- 1062US7854839B2Fuel filter assembly with flow restriction valveCUMMINS FLITRATION IP INC·Filed 2007·Granted Dec 21, 2010·3 cites·18 claims
- 1152US10786769B2Flow restriction valve and filter cartridgeJIANG ZEMIN·Filed 2010·Granted Sep 29, 2020·0 cites·13 claims
- 1249US8496816B2Modular fuel filter assemblyTRUE-DAHL ABBY·Filed 2008·Granted Jul 30, 2013·2 cites·13 claims
- 1346US2009057219A1Replaceable filter elements including unique interfaces and filtration systems including sameCUMMINS FILTRATION IP INC·Filed 2007·Application pending·0 cites
- 1441US2010006483A1Replaceable filter elements including unique pressure relief and systems including sameYEKULA RAVI·Filed 2008·Application pending·0 cites
- 1540US8007667B2Filtration device with releasable additiveCUMMINS FILTRATION IP INC·Filed 2009·Granted Aug 30, 2011·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →