Inventor · disambiguated record
Duane Lang
Also filed as: LANG DUANE
2 granted patents·1 pending application·146 citations·filing 1990–2007
70Inventor score
Top patents by PatentIndex Score
3 records- 0171US5806589AApparatus for stabbing and threading a drill pipe safety valveFiled 1996·Granted Sep 15, 1998·80 cites·20 claims
- 0268US5092399AApparatus for stabbing and threading a drill pipe safety valveMASTER METALIZING AND MACHININ·Filed 1990·Granted Mar 3, 1992·66 cites·20 claims
- 0344US2008245436A1Beverage dispenser with apparatus for lifting and transferring loadsLANG DUANE·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →