Inventor · disambiguated record
Duane Fetko
Also filed as: FETKO DUANE · FETKO DUANE E
6 granted patents·1 pending application·9 citations·filing 2009–2020
74Inventor score
Top patents by PatentIndex Score
7 records- 0168US10589911B2Angle plate package having a single strapDUCTMATE IND INC·Filed 2018·Granted Mar 17, 2020·1 cites·22 claims
- 0267US8429803B2Dual purpose dimple for HVAC circular ductworkCOUGHENOUR ALVIN·Filed 2009·Granted Apr 30, 2013·5 cites·5 claims
- 0363US8973954B2Dual purpose dimple for HVAC circular ductworkCOUGHENOUR ALVIN·Filed 2013·Granted Mar 10, 2015·2 cites·4 claims
- 0452US12337341B2HVAC round pipe sealed fittingsDUCTMATE IND INC·Filed 2020·Granted Jun 24, 2025·0 cites·12 claims
- 0551US10436369B2High efficiency take-off fittingDUCTMATE IND INC·Filed 2013·Granted Oct 8, 2019·1 cites·8 claims
- 0642US10898920B2HVAC round pipe sealed fittingsFETKO DUANE·Filed 2011·Granted Jan 26, 2021·0 cites·12 claims
- 0739US2014052417A1Residential Ductwork SystemDUCTMATE IND INC·Filed 2013·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →