Inventor · disambiguated record
David Michael Walden
Also filed as: WALDEN DAVID M · WALDEN DAVID MICHAEL
4 granted patents·1 pending application·42 citations·filing 2006–2008
75Inventor score
Top patents by PatentIndex Score
5 records- 0187US7240688B2Retrofitting a fire hydrant with secondary valveDAVIDSON HYDRANT TECHNOLOGIES·Filed 2006·Granted Jul 10, 2007·21 cites·21 claims
- 0274US7428910B2Breathable fire hydrant rodDAVIDSON HYDRANT TECHNOLOGIES·Filed 2006·Granted Sep 30, 2008·12 cites·33 claims
- 0364US7775231B2Retrofitting a fire hydrant with a replacement hydrant body containing a secondary valveDAVIDSON HYDRANT TECHNOLOGIES·Filed 2007·Granted Aug 17, 2010·5 cites·22 claims
- 0461US7575017B2Wet barrel fire hydrant system with second valveDAVIDSON HYDRANT TECHNOLOGIES·Filed 2006·Granted Aug 18, 2009·4 cites·27 claims
- 0533US2008245420A1Nozzle Attachment for Fire HydrantDAVIDSON TOM RANDY·Filed 2008·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →