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:
Mar. 19, 1991
Filed:
May. 17, 1988
Applicant:
Inventors:
Raymond A Hanson, Spokane, WA (US);
Wayne F Crockett, Spokane, WA (US);
Assignee:
R. A. Hanson Company, Inc., Spokane, WA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E02F / ;
U.S. Cl.
CPC ...
37 66 ; 37189 ; 3719 / ; 37 69 ;
Abstract
A floating dredge and hydraulic dredging apparatus for mining underwater mineral bearing deposits is disclosed. The dredge includes an overburden excavator and an ore excavator mounted to a pontoon for removing overburden and ore material, respectively. Processors on the pontoon receive material from the excavators. Dredging control components coordinate the operation of the ore and overburden excavators to efficiently remove and mine the desired material.