Assignee
CRANE HOUDAILLE JOHN INC
US·9 granted patents·356 citations·filing 1977–1987
Top patents by PatentIndex Score
9 records- 0192US4377290ASymmetrical seal package for multiple face sealsCRANE HOUDAILLE JOHN INC·Filed 1982·Granted Mar 22, 1983·55 cites·5 claims
- 0291US4889348ASpiral groove seal system for high vapor-pressure liquidsCRANE HOUDAILLE JOHN INC·Filed 1987·Granted Dec 26, 1989·88 cites·24 claims
- 0387US4768790AMechanical face seal having centering meansCRANE HOUDAILLE JOHN INC·Filed 1987·Granted Sep 6, 1988·53 cites·9 claims
- 0485US4779876ADrive for banded washer type sealCRANE HOUDAILLE JOHN INC·Filed 1987·Granted Oct 25, 1988·57 cites·20 claims
- 0579US4407512AHigh pressure rotary mechanical sealCRANE HOUDAILLE JOHN INC·Filed 1977·Granted Oct 4, 1983·47 cites·6 claims
- 0673US4449719AEmergency sealCRANE HOUDAILLE JOHN INC·Filed 1982·Granted May 22, 1984·22 cites·12 claims
- 0750US4669738AInternally installable package sealCRANE HOUDAILLE JOHN INC·Filed 1985·Granted Jun 2, 1987·14 cites·12 claims
- 0837US4749200AMechanical seal with welded bellowsCRANE HOUDAILLE JOHN INC·Filed 1986·Granted Jun 7, 1988·14 cites·10 claims
- 0925US4635798AFlash sorting apparatusCRANE HOUDAILLE JOHN INC·Filed 1984·Granted Jan 13, 1987·6 cites·10 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →