Inventor · disambiguated record
Ludwig Walther
Also filed as: WALTHER LUDWIG
6 granted patents·44 citations·filing 1974–1987
81Inventor score
Top patents by PatentIndex Score
6 records- 0164US4478129AApparatus for the exact position feedback of a double-acting power piston in a hydraulic power cylinderZIMMERMANN & JANSEN GMBH·Filed 1981·Granted Oct 23, 1984·14 cites·2 claims
- 0261US4168790AIntegrated slide gate valveUSS ENG & CONSULT·Filed 1977·Granted Sep 25, 1979·8 cites·15 claims
- 0359US4355787AMethod of controlling the nozzle damper of a metallurgical vesselZIMMERMANN & JANSEN GMBH·Filed 1980·Granted Oct 26, 1982·8 cites·13 claims
- 0449US4896801AMethod for controlling the discharge channel of a casting container (tundish) for metallic meltings, and a device for carrying out the methodFLO CON SYST·Filed 1987·Granted Jan 30, 1990·6 cites·11 claims
- 0541US4000837ASliding gate valvesUNITED STATES STEEL CORP·Filed 1974·Granted Jan 4, 1977·7 cites·14 claims
- 0629US4572054AExact position feedback of double-acting power piston in hydraulic cylindersZIMMERMANN & JANSEN GMBH·Filed 1984·Granted Feb 25, 1986·1 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →