Assignee
SCHAFFT HELMUT
DE·4 granted patents·38 citations·filing 1983–1989
Top patents by PatentIndex Score
4 records- 0161US4647415AMethod of producing a filter padSCHAFFT HELMUT·Filed 1985·Granted Mar 3, 1987·19 cites·19 claims
- 0242US4655919AFluid filter deviceSCHAFFT HELMUT·Filed 1983·Granted Apr 7, 1987·10 cites·10 claims
- 0335US4925570AMethod of filteringSCHAFFT HELMUT·Filed 1989·Granted May 15, 1990·5 cites·12 claims
- 0434US4986913AFilter padSCHAFFT HELMUT·Filed 1989·Granted Jan 22, 1991·4 cites·12 claims
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