Inventor · disambiguated record
Richard J. Harpenau
Also filed as: HARPENAU RICHARD · HARPENAU RICHARD J · HARPENAU RICHARD JOHN
11 granted patents·2 pending applications·137 citations·filing 1994–2025
89Inventor score
Top patents by PatentIndex Score
13 records- 0189US6419102B1Wall outlet box for a dryer vent exhaust conduitFiled 2000·Granted Jul 16, 2002·39 cites·22 claims
- 0284US6785981B1Restriction detecting systems for clothes dryer exhaust systemsIN O VATE TECHNOLOGIES·Filed 2003·Granted Sep 7, 2004·30 cites·22 claims
- 0376US5476183ARecessed dryer vent rough-in boxFiled 1994·Granted Dec 19, 1995·44 cites·6 claims
- 0474US2025264233A1Exhaust vent doorsINOVATE ACQUISITION COMPANY·Filed 2025·Application pending·0 cites
- 0573US8429833B2Remote restriction detecting system for clothes dryer exhaust systemsHARPENAU RICHARD J·Filed 2011·Granted Apr 30, 2013·2 cites·12 claims
- 0669US8061058B2Remote restriction detecting system for clothes dryer exhaust systemsHARPENAU RICHARD J·Filed 2008·Granted Nov 22, 2011·2 cites·17 claims
- 0767US12038202B2Exhaust vent doorsINOVATE ACQUISITION COMPANY·Filed 2021·Granted Jul 16, 2024·0 cites·6 claims
- 0867US11953230B2Exhaust vent doorsINOVATE ACQUISITION COMPANY·Filed 2021·Granted Apr 9, 2024·0 cites·4 claims
- 0957US12385656B2Exhaust vent doorsINOVATE ACQUISITION COMPANY·Filed 2019·Granted Aug 12, 2025·0 cites·7 claims
- 1054US7210505B2Elbow for a conduitHARPENAU RICHARD J·Filed 2004·Granted May 1, 2007·7 cites·8 claims
- 1153US7731045B2Wall outlet box for a dryer vent exhaust conduit with pipe support tabHARPENAU RICHARD J·Filed 2006·Granted Jun 8, 2010·4 cites·14 claims
- 1247US2007272714A1Funnel Bucket DeviceHARPENAU RICHARD J·Filed 2006·Application pending·0 cites
- 1340US5566706ASiphoning device to attain desired water level in pools and the likeFiled 1995·Granted Oct 22, 1996·9 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →