Assignee
CRANE PACKING CO
13 granted patents·520 citations·filing 1974–1980
Top patents by PatentIndex Score
13 records- 0198US4212475ASelf aligning spiral groove face sealCRANE PACKING CO·Filed 1979·Granted Jul 15, 1980·179 cites·6 claims
- 0292US4290611AHigh pressure upstream pumping seal combinationCRANE PACKING CO·Filed 1980·Granted Sep 22, 1981·80 cites·12 claims
- 0382US4124676AMechanical bondCRANE PACKING CO·Filed 1976·Granted Nov 7, 1978·45 cites·5 claims
- 0477US3971280ATape dispenserCRANE PACKING CO·Filed 1975·Granted Jul 27, 1976·34 cites·10 claims
- 0576US4012273AHand operated tape wrapperCRANE PACKING CO·Filed 1975·Granted Mar 15, 1977·25 cites·4 claims
- 0676US3948533AComposite ring made of press fitted parts and method of assemblingCRANE PACKING CO·Filed 1975·Granted Apr 6, 1976·33 cites·8 claims
- 0770US4043727AO-ring moldCRANE PACKING CO·Filed 1976·Granted Aug 23, 1977·29 cites·8 claims
- 0869US4174844AMechanical sealCRANE PACKING CO·Filed 1975·Granted Nov 20, 1979·32 cites·8 claims
- 0964US4243230ALow energy tandem sealCRANE PACKING CO·Filed 1979·Granted Jan 6, 1981·22 cites·20 claims
- 1055US3948531ABulkhead sealCRANE PACKING CO·Filed 1975·Granted Apr 6, 1976·14 cites·14 claims
- 1144US4208842ADual surface lapping machineCRANE PACKING CO·Filed 1978·Granted Jun 24, 1980·8 cites·8 claims
- 1244US3941394ANo-leak double rotary mechanical sealCRANE PACKING CO·Filed 1974·Granted Mar 2, 1976·13 cites·4 claims
- 1324US4103904AElastic positive drive bellows sealCRANE PACKING CO·Filed 1977·Granted Aug 1, 1978·6 cites·7 claims
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