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Publication numberUS3730483 B1
Publication typeGrant
Publication dateDec 12, 1989
Filing dateJul 15, 1971
Priority dateJul 15, 1971
Publication numberUS 3730483 B1, US 3730483B1, US-B1-3730483, US3730483 B1, US3730483B1
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet

US 3730483 B1
Abstract  available in
Description  available in
Claims  available in
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US3968953 *Jan 27, 1975Jul 13, 1976Barient CompanySelf-tailing winch
US4084532 *Jul 29, 1976Apr 18, 1978Emil FederLine cleats for securing ropes, but especially for lines to sails of sailboats
US4093185 *Jun 28, 1976Jun 6, 1978Strohm Newell EDrive mechanism for a line-pulling apparatus
US4130271 *Apr 3, 1978Dec 19, 1978Franklin MerrimanSynthetic resin ratchet winch
US4155539 *Jun 3, 1977May 22, 1979Wharton Engineers (Elstree) LimitedHaulage winches
US4215643 *Jun 12, 1978Aug 5, 1980Nl Industries, Inc.Quick release bollard
US4230306 *Feb 21, 1979Oct 28, 1980Barlow Marine LimitedSelf-tailing winch
US4274606 *Aug 30, 1979Jun 23, 1981Hans BernwallSelf-tailing winch
US4399979 *Jan 19, 1979Aug 23, 1983Adelman Michael RDevice for self-tailing a conventional winch drum
US4475718 *May 26, 1983Oct 9, 1984Meissner International B.V.Self-tailing winch
US4603839 *May 27, 1983Aug 5, 1986Igelfors Bruks AbDevice for transport or displacement of elongated objects in particular, as well as a pulling or traction wheel comprised in said device
US7415936 *Jun 25, 2004Aug 26, 2008Westerngeco L.L.C.Active steering for marine sources
US7577060Nov 30, 2005Aug 18, 2009Westerngeco L.L.C.Systems and methods for steering seismic arrays
US7881152 *Jul 18, 2008Feb 1, 2011Westerngeco L.L.C.Active steering for marine sources
US7957220Apr 15, 2004Jun 7, 2011Westerngeco L.L.C.Active steering for marine seismic sources
US8056431Sep 8, 2008Nov 15, 2011Stanley AckermanSelf-locking gear
US8479606Nov 7, 2011Jul 9, 2013Stanley AckermanSelf-locking gear
US8824239Mar 17, 2004Sep 2, 2014Westerngeco L.L.C.Marine seismic survey method and system
DE2740090A1 *Sep 6, 1977Mar 16, 1978Lewmar Marine LtdSelbsthaltende, manuell betaetigte winsch
International ClassificationB66D1/74
Cooperative ClassificationB66D1/7436
European ClassificationB66D1/74F6
Legal Events
Dec 12, 1989B1Reexamination certificate first reexamination
Mar 8, 1988RRRequest for reexamination filed
Effective date: 19880111