DS

Douglas Spriggs Selsam

UN Unknown: 4 patents #4,220 of 83,584Top 6%
📍 Hesperia, CA: #7 of 113 inventorsTop 7%
🗺 California: #55,401 of 386,348 inventorsTop 15%
Overall (All Time): #456,670 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
10871149 Floating marine wind turbine 2020-12-22
10024307 Floating marine wind turbine 2018-07-17
9249783 Stationary co-axial multi-rotor wind turbine supported by continuous central driveshaft 2016-02-02
8197179 Stationary co-axial multi-rotor wind turbine supported by continuous central driveshaft 2012-06-12
7063501 Multi-rotor wind turbine with generator as counterweight 2006-06-20
7008172 Side-furling co-axial multi-rotor wind turbine 2006-03-07
6730004 Blow-moldable water-filled freeweights 2004-05-04
6692230 Balanced, high output, rapid rotation wind turbine (Weathervane multi-rotor windmill) 2004-02-17
6616402 Serpentine wind turbine 2003-09-09
6312364 Blow-moldable water-filled freeweights 2001-11-06
5716305 Multi-purpose exercise device 1998-02-10