Inventor · disambiguated record
Karlmann Hamma
Also filed as: CHATTERJEE ARUN · HAMMA KARLMANN
6 granted patents·95 citations·filing 1977–1979
84Inventor score
Technology areasF16H
Files withZAHNRADFABRIK FRIEDRICHSHAFEN6
Top patents by PatentIndex Score
6 records- 0188US4075841AControl system for hydrostatic transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 1977·Granted Feb 28, 1978·42 cites·12 claims
- 0268US4216656AHigh-efficiency hydrostatic vehicular drive systemZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 1979·Granted Aug 12, 1980·18 cites·10 claims
- 0361US4187739AHydrostatic torque converter having a stepped transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 1977·Granted Feb 12, 1980·15 cites·7 claims
- 0449US4167853AAutomatic control for a hydrostatic vehicle transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 1978·Granted Sep 18, 1979·10 cites·8 claims
- 0538US4188789AHydraulic servocontroller for a hydrostatic transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 1978·Granted Feb 19, 1980·6 cites·7 claims
- 0634US4192199AControl system for hydrostatic transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 1977·Granted Mar 11, 1980·4 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →