Inventor · disambiguated record
Walfried David
Also filed as: DAVID WALFRIED
3 granted patents·53 citations·filing 1984–1985
72Inventor score
Technology areasF16K
Files withBOPP & REUTHER GMBH3
Top patents by PatentIndex Score
3 records- 0168US4629160AShutoff wedge for shutoff valveBOPP & REUTHER GMBH·Filed 1984·Granted Dec 16, 1986·27 cites·14 claims
- 0253US4699359AShut-off valveBOPP & REUTHER GMBH·Filed 1985·Granted Oct 13, 1987·19 cites·14 claims
- 0332US4607821AShutoff valveBOPP & REUTHER GMBH·Filed 1985·Granted Aug 26, 1986·7 cites·31 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →