Inventor · disambiguated record
David Douglass
Also filed as: DOUGLASS DAVID M · DOUGLASS DAVID S
2 granted patents·3 pending applications·23 citations·filing 1989–2007
58Inventor score
Top patents by PatentIndex Score
5 records- 0152US5099712AAutomatic transmission with free-wheeling drive shaftDOUGLASS DAVID S·Filed 1989·Granted Mar 31, 1992·20 cites·8 claims
- 0237US2007262066A1Stir welded drive shaft and method of making sameDOUGLASS DAVID M·Filed 2007·Application pending·0 cites
- 0330US2006121994A1Stir welded drive shaft and method of making sameDOUGLASS DAVID M·Filed 2004·Application pending·0 cites
- 0428US2003125118A1Laser-welded driveshaft and method of making sameFiled 2001·Application pending·0 cites
- 0518US5303605AAutomatic transmission for bicyclesAUTOMATIC BICYCLE CO·Filed 1993·Granted Apr 19, 1994·3 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →