Assignee
CKD PRAHA
21 granted patents·249 citations·filing 1973–1989
Top patents by PatentIndex Score
21 records- 0183US4188996ALiquid cooler for semiconductor power elementsCKD PRAHA·Filed 1978·Granted Feb 19, 1980·52 cites·7 claims
- 0274US3952797ASemi conductor cooling systemCKD PRAHA·Filed 1973·Granted Apr 27, 1976·22 cites·14 claims
- 0369US4129881AHeat sink cooled, semiconductor device assembly having liquid metal interfaceCKD PRAHA·Filed 1977·Granted Dec 12, 1978·31 cites·9 claims
- 0455US4321663AProcess of pulse duration modulation of a multi-phase converterCKD PRAHA·Filed 1979·Granted Mar 23, 1982·11 cites·6 claims
- 0555US3942049APiezoelectric pick-up device for measuring pressures within hollow bodiesCKD PRAHA·Filed 1974·Granted Mar 2, 1976·15 cites·2 claims
- 0649US4976226AMethod for increasing the heat efficiency of a piston combustion engineCKD PRAHA·Filed 1989·Granted Dec 11, 1990·17 cites·4 claims
- 0749US4459850AApparatus for picking-up and analyzing emitted accoustic and ultrasonic signals in hollow bodiesCKD PRAHA·Filed 1981·Granted Jul 17, 1984·8 cites·1 claims
- 0845US4067042AHeat sink mechanism hydraulically propelled into contact with semiconductor devicesCKD PRAHA·Filed 1976·Granted Jan 3, 1978·11 cites·8 claims
- 0942US4009969ASupporting ring for stator vanes in an axial compressorCKD PRAHA·Filed 1975·Granted Mar 1, 1977·20 cites·6 claims
- 1040US4252013AArrangement for complex diagnosis of internal combustion enginesCKD PRAHA·Filed 1979·Granted Feb 24, 1981·10 cites·14 claims
- 1138US3989095ASemi conductor cooling systemCKD PRAHA·Filed 1975·Granted Nov 2, 1976·8 cites·3 claims
- 1234US4317166ACircuit arrangement for self-commutated invertersCKD PRAHA·Filed 1980·Granted Feb 23, 1982·7 cites·7 claims
- 1334US4075557AContactless facilities for determining the specific resistance of a test sampleCKD PRAHA·Filed 1976·Granted Feb 21, 1978·8 cites·9 claims
- 1432US4037246AHigh-power semiconductive devicesCKD PRAHA·Filed 1975·Granted Jul 19, 1977·6 cites·4 claims
- 1531US4057999AApparatus for testing engine oilCKD PRAHA·Filed 1976·Granted Nov 15, 1977·9 cites·1 claims
- 1628US4104677AArrangement for adjustably urging a semi-conductive element against a heat sinkCKD PRAHA·Filed 1976·Granted Aug 1, 1978·4 cites·7 claims
- 1725US4318171AMethod of three commutation on rectifiers and of inverted electric current convertersCKD PRAHA·Filed 1980·Granted Mar 2, 1982·2 cites·7 claims
- 1823US4139788ATest circuit for indication of deviation of source voltages from their set pointsCKD PRAHA·Filed 1977·Granted Feb 13, 1979·0 cites·2 claims
- 1921US4298882AMultilayer semiconductor elementCKD PRAHA·Filed 1980·Granted Nov 3, 1981·4 cites·2 claims
- 2020US4326246ACircuit arrangement of an inverted current rectifier with self commutationCKD PRAHA·Filed 1981·Granted Apr 20, 1982·1 cites·4 claims
- 2117US4259622ACircuit arrangement for driving and for independent recuperation braking of a vehicleCKD PRAHA·Filed 1977·Granted Mar 31, 1981·3 cites·1 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →