Inventor · disambiguated record
Hans Schwelm
Also filed as: SCHWELM HANS
11 granted patents·278 citations·filing 1981–2014
91Inventor score
Top patents by PatentIndex Score
11 records- 0196US5211196AProportional seat-type 4-way valveHYDROLUX SARL·Filed 1991·Granted May 18, 1993·95 cites·5 claims
- 0286US4711267AHydraulic control blockHYDROLUX SARL·Filed 1986·Granted Dec 8, 1987·37 cites·4 claims
- 0386US4476893AHydraulic flow control valveBARMAG BARMER MASCHF·Filed 1981·Granted Oct 16, 1984·40 cites·17 claims
- 0470US5975134AValve systemFiled 1996·Granted Nov 2, 1999·31 cites·15 claims
- 0562US5144983APosition-controlled proportional directional valveHYDROLUX SARL·Filed 1990·Granted Sep 8, 1992·18 cites·6 claims
- 0658US4662600AAdjustable throttle valveHYDROLUX SARL·Filed 1983·Granted May 5, 1987·13 cites·14 claims
- 0754US5236015APosition-controlled proportional directional valveHYDROLUX SARL·Filed 1992·Granted Aug 17, 1993·17 cites·5 claims
- 0849US4724864ATwo-way flow control valveSCHWELM HANS·Filed 1985·Granted Feb 16, 1988·17 cites·7 claims
- 0940US9395014B2Pilot-control stage for a proportionally controlled high-pressure hydraulic valveDYNAMICS SYSTEMS S A·Filed 2014·Granted Jul 19, 2016·0 cites·19 claims
- 1038US4572234AHydraulic flow control valveBARMAG BARMER MASCHF·Filed 1984·Granted Feb 25, 1986·5 cites·9 claims
- 1135US5178358AAdjustable proportional throttle-valve with feedbackHYDROLUX SARL·Filed 1991·Granted Jan 12, 1993·5 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →