Assignee
LANGEN & CO
13 granted patents·57 citations·filing 1973–1976
Top patents by PatentIndex Score
13 records- 0141US4010815AServo steering gear, particularly for alleviator-controlled constant pressure servo systems in motor vehiclesLANGEN & CO·Filed 1975·Granted Mar 8, 1977·7 cites·7 claims
- 0240US4051766AArrangement for steering-power limitation in hydraulic servo-steering systemsLANGEN & CO·Filed 1975·Granted Oct 4, 1977·10 cites·5 claims
- 0339US4123964APressure control means for distribution of medium from a reservoir or storage vesselLANGEN & CO·Filed 1976·Granted Nov 7, 1978·6 cites·2 claims
- 0439US3978770APressure follow-up control means for servo-steering systems, and the likeLANGEN & CO·Filed 1974·Granted Sep 7, 1976·6 cites·16 claims
- 0538US4022110AHydraulic pressure-regulating systemLANGEN & CO·Filed 1975·Granted May 10, 1977·6 cites·8 claims
- 0634US4052233AMethod for gas-and fluid-tight sealing of boreholes which are threadless and under pressure, and are mounted in a hardenable raw materialLANGEN & CO·Filed 1976·Granted Oct 4, 1977·6 cites·4 claims
- 0734US3967537APressure medium control deviceLANGEN & CO·Filed 1973·Granted Jul 6, 1976·4 cites·10 claims
- 0833US3954149AHydraulic pressure fluid control system for controlling the displacements of a double-acting servo-motorLANGEN & CO·Filed 1975·Granted May 4, 1976·4 cites·2 claims
- 0932US3945456AServo steering systems for motor vehiclesLANGEN & CO·Filed 1974·Granted Mar 23, 1976·3 cites·14 claims
- 1030US3952631APressure medium control deviceLANGEN & CO·Filed 1973·Granted Apr 27, 1976·2 cites·3 claims
- 1129US3990350AServo steering system for motor vehiclesLANGEN & CO·Filed 1974·Granted Nov 9, 1976·2 cites·8 claims
- 1228US3973589AControl valveLANGEN & CO·Filed 1974·Granted Aug 10, 1976·0 cites·1 claims
- 1328US3972266AControl cylinder assembly for servo steering systemsLANGEN & CO·Filed 1974·Granted Aug 3, 1976·1 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when LANGEN & CO files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →