Inventor · disambiguated record
John M. Lehmann
Also filed as: LEHMANN JOHN F · LEHMANN JOHN M
3 granted patents·1 pending application·4 citations·filing 1997–2006
57Inventor score
Top patents by PatentIndex Score
4 records- 0144US2007048605A1Stable electrolyte counteranions for electrochemical devicesPEZ GUIDO P·Filed 2006·Application pending·0 cites
- 0237US6495790B2Plasma arc keyhole welding stability and quality through titanium nitride additionsMCDERMOTT TECHNOLOGY INC·Filed 2001·Granted Dec 17, 2002·1 cites·8 claims
- 0329US5773786AMethod and device for reducing overpenetration at the start of plasma arc weldsMCDERMOTT TECHNOLOGY INC·Filed 1997·Granted Jun 30, 1998·3 cites·1 claims
- 0427US6037561AMethod and device for reducing overpenetration at the start of plasma arc weldsUS ENERGY·Filed 1998·Granted Mar 14, 2000·0 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →