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David Michael Walden — 4 Patents

DTDavidson Hydrant Technologies: 4 patents #3 of 8Top 40%
Sharpsburg, GA: #26 of 72 inventorsTop 40%
Georgia: #8,366 of 35,610 inventorsTop 25%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
David Michael Walden has been granted 4 US patents while listed as an inventor at Davidson Hydrant Technologies. The first was granted in 2007 and the most recent in August 2010. David Michael Walden ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list David Michael Walden in Sharpsburg, GA, US.

Patents per Year

Patents granted per year, 2007 to 2010Bar chart with a peak of 1 patents in 2007.peak 12007: 1 patents20072008: 1 patents20082009: 1 patents20092010: 1 patents2010

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7775231 Retrofitting a fire hydrant with a replacement hydrant body containing a secondary valve Tom Davidson, David Phillips, Anthony Ferrari 2010-08-17
7575017 Wet barrel fire hydrant system with second valve Thomas Davidson, Anthony Ferrari, David Phillips, O. G. Sims, Matthew Jesse Rose 2009-08-18
7428910 Breathable fire hydrant rod Tom Davidson, Anthony Ferrari, Matthew Jesse Rose 2008-09-30
7240688 Retrofitting a fire hydrant with secondary valve Thomas Davidson, Anthony Ferrari, Matthew Jesse Rose 2007-07-10

Frequent Collaborators

Anthony Ferrari4 shared
Matthew Jesse Rose3 shared
Thomas Davidson2 shared
Tom Davidson2 shared
David Phillips2 shared
O. G. Sims1 shared

Nearby-Ranked Inventors

Jagadeesh Kandasamy4
Ross CABOT4
George Ueda4
Franz A. Gruswitz4
Tommy Glimberg4
Vinayakaraddy Gulabal4
Sandra Bittorf4
Aviel FOGEL4
Eric Matthew Walton4