Assignee
HEPBURN JOHN T LTD
CA·14 granted patents·419 citations·filing 1975–1992
Top patents by PatentIndex Score
14 records- 0190US4862821AMechanism for tensioning a moving chainHEPBURN JOHN T LTD·Filed 1988·Granted Sep 5, 1989·45 cites·5 claims
- 0290US4828474AHydraulic cylinder device for platen spacing indication and controlHEPBURN JOHN T LTD·Filed 1987·Granted May 9, 1989·44 cites·10 claims
- 0387US5156782AMaintaining press platens in parallel relationshipHEPBURN JOHN T LTD·Filed 1991·Granted Oct 20, 1992·35 cites·13 claims
- 0487US4476801AMooring deviceHEPBURN JOHN T LTD·Filed 1982·Granted Oct 16, 1984·41 cites·8 claims
- 0586US3980252AWire rope spooling mechanismHEPBURN JOHN T LTD·Filed 1975·Granted Sep 14, 1976·94 cites·3 claims
- 0679US4759280AHydraulic press with adjustable platen clearanceHEPBURN JOHN T LTD·Filed 1986·Granted Jul 26, 1988·27 cites·9 claims
- 0774US5237916ARegenerative hydraulic cylinders with internal flow pathsHEPBURN JOHN T LTD·Filed 1992·Granted Aug 24, 1993·22 cites·12 claims
- 0873US4841898AAnchoring system for floating structureHEPBURN JOHN T LTD·Filed 1986·Granted Jun 27, 1989·24 cites·4 claims
- 0972US4722293AIntegrated winch and windlassHEPBURN JOHN T LTD·Filed 1985·Granted Feb 2, 1988·30 cites·8 claims
- 1059US4694744AHydraulic press without conventional side slabs and cross-headHEPBURN JOHN T LTD·Filed 1986·Granted Sep 22, 1987·15 cites·9 claims
- 1154US5088400AAdjusting press platen clearanceHEPBURN JOHN T LTD·Filed 1991·Granted Feb 18, 1992·13 cites·16 claims
- 1249US4836125AAnchoring system for floating structureHEPBURN JOHN T LTD·Filed 1988·Granted Jun 6, 1989·11 cites·5 claims
- 1340US4819555APress with adjustable platen spacingHEPBURN JOHN T LTD·Filed 1987·Granted Apr 11, 1989·11 cites·16 claims
- 1434US4690049AHydraulic press with side slab guided upper platenHEPBURN JOHN T LTD·Filed 1986·Granted Sep 1, 1987·7 cites·7 claims
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