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:
Aug. 30, 1983
Filed:
Apr. 15, 1982
Pieter Verboom, Alblasserdam, NL;
IHC Holland N.V., Papendrecht, NL;
Abstract
Drag head for a hopper suction dredge, which drag head has a suction opening in the dragging direction, defined by side walls and a rear wall. The lower edges of these walls are positioned in one plane whereby the rear edge is positioned lower then the upper edge of the inlet opening with respect to a vertical cross sectional plane parallel to the dredging direction. The side edges and the rear edge are positioned in an essentially horizontal plane. The rear wall of the drag head extends upwards along a compound bent line such that the tangent of this line at the height of a horizontal plane through the upper edge of the inlet opening is inclined forwards at an acute angle.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile