The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 29, 2016
Filed:
Oct. 26, 2012
Applicant:
Ihc Engineering Business Limited, Sliedrecht, NL;
Inventor:
Jonathan Ralph Manchester, Rowlands Gill, GB;
Assignee:
IHC ENGINEERING BUSINESS LIMITED, Sliedrecht, NL;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E02F 5/08 (2006.01); E02F 5/10 (2006.01); E02F 3/92 (2006.01); E02F 3/94 (2006.01); E02F 5/06 (2006.01);
U.S. Cl.
CPC ...
E02F 5/104 (2013.01); E02F 3/9268 (2013.01); E02F 3/94 (2013.01); E02F 5/06 (2013.01); E02F 5/109 (2013.01);
Abstract
An underwater trenching apparatus comprising a soil cutting arrangement having a forwardly disposed cutting portion and a rearwardly disposed non-cutting portion, a soil removal device configured to remove soil from a location forward of the soil cutting arrangement and barrier device located and configured substantially to prevent passage of soil to the non-cutting portion of the soil cutting arrangement. The soil cutting arrangement is typically a rockwheel or chain cutter. The soil removal device is typically a dredge pump or eductor.