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:
Jul. 12, 1988
Filed:
Feb. 28, 1983
Applicant:
Inventors:
Eldon L Grimes, deceased, late of King County, WA (US);
by Monterey Grimes, executrix, Seattle, WA (US);
Assignee:
Marco Seattle, Inc., Seattle, WA (US);
Primary Examiner:
Int. Cl.
CPC ...
F04F / ;
U.S. Cl.
CPC ...
417 53 ; 43-45 ; 417 85 ; 417 90 ; 417108 ; 417405 ;
Abstract
A submersible rotary impeller fish pump augmented by the release of large volumes of pressurized air into the pump's discharge stream during pump operation enables the pumping of fish or other water-borne articles to the same or greater heights at materially lower impeller speeds and with less impeller damage than the same pump unaided.