Individual holder
HARPENAU RICHARD J
US·4 granted patents·1 pending application·15 citations·filing 2004–2011
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
5 records- 0173US8429833B2Remote restriction detecting system for clothes dryer exhaust systemsHARPENAU RICHARD J·Filed 2011·Granted Apr 30, 2013·2 cites·12 claims
- 0269US8061058B2Remote restriction detecting system for clothes dryer exhaust systemsHARPENAU RICHARD J·Filed 2008·Granted Nov 22, 2011·2 cites·17 claims
- 0354US7210505B2Elbow for a conduitHARPENAU RICHARD J·Filed 2004·Granted May 1, 2007·7 cites·8 claims
- 0453US7731045B2Wall outlet box for a dryer vent exhaust conduit with pipe support tabHARPENAU RICHARD J·Filed 2006·Granted Jun 8, 2010·4 cites·14 claims
- 0547US2007272714A1Funnel Bucket DeviceHARPENAU RICHARD J·Filed 2006·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when HARPENAU RICHARD J files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →