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Publication numberUS3638439 B1
Publication typeGrant
Publication dateMay 31, 1988
Filing dateMar 16, 1970
Priority dateMar 16, 1970
Publication numberUS 3638439 B1, US 3638439B1, US-B1-3638439, US3638439 B1, US3638439B1
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet

US 3638439 B1
Abstract  available in
Description  available in
Claims  available in
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US3999312 *May 5, 1975Dec 28, 1976The Furukawa Electric Co., Ltd.Water jet type underwater ground excavator
US4114390 *Jun 13, 1977Sep 19, 1978Shell Oil CompanyBurying a conduit in the bottom of a body of water
US4117689 *May 9, 1977Oct 3, 1978Charles Francis MartinSubmarine pipe trenching apparatus
US4721409 *Jun 10, 1986Jan 26, 1988Rudolf HarmstorfMethod and device for progressively producing an underwater laying-out channel
US4787777 *Nov 9, 1987Nov 29, 1988Rudolf HarmstorfMethod and device for progressively producing an underwater laying-out channel
US4812079 *Aug 29, 1986Mar 14, 1989Casper Colosimo & Son, Inc.Embedding cablelike members
US4877355 *Apr 19, 1988Oct 31, 1989Casper Colosimo & Son., Inc.Underwater cable laying system
US5288172 *May 5, 1993Feb 22, 1994Cal Dive InternationalWater jet system for trenching of pipelines
US6095721 *Jul 18, 1996Aug 1, 2000Geoteknisk InstitutMethod and device for burying a conduit under water
US6116818 *Apr 29, 1997Sep 12, 2000General Dynamics Advanced Technology SystemsUnderwater plow apparatus and method
US6874261 *Apr 7, 1995Apr 5, 2005Van Oord N.V.Method for treating an underwater bed
US8496410Jun 1, 2009Jul 30, 2013Massachusetts Institute Of TechnologyMethod and apparatus for penetrating particulate substrates
EP0581357A1 *Jul 9, 1993Feb 2, 1994Paragon International B.V.Underwater bed cutting device
WO1997004181A1 *Jul 18, 1996Feb 6, 1997Geoteknisk InstMethod and device for burying a conduit under water
WO2001049947A1 *Dec 12, 2000Jul 12, 2001Reece Alan RichardSubmarine plough and plough share for such plough
Classifications
International ClassificationE02F5/10
Cooperative ClassificationE02F5/106, E02F5/107, E02F5/104
European ClassificationE02F5/10P6, E02F5/10P4, E02F5/10P
Legal Events
DateCodeEventDescription
May 31, 1988B1Reexamination certificate first reexamination
Sep 21, 1987AS02Assignment of assignor's interest
Owner name: AQUA-TECH, INC.
Effective date: 19870827
Owner name: CASPER COLOSIMO & SON, INC., ALLEGHENY, PA A CORP.
Sep 21, 1987ASAssignment
Owner name: CASPER COLOSIMO & SON, INC., ALLEGHENY, PA A CORP.
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:AQUA-TECH, INC.;REEL/FRAME:004765/0620
Effective date: 19870827
Owner name: CASPER COLOSIMO & SON, INC., A CORP. OF PA,PENNSYL
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:AQUA-TECH, INC.;US-ASSIGNMENT DATABASE UPDATED:20100512;REEL/FRAME:4765/620
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:AQUA-TECH, INC.;REEL/FRAME:004765/0620
Apr 7, 1987RRRequest for reexamination filed
Effective date: 19870224