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. 05, 1985
Filed:
May. 17, 1984
Applicant:
Inventors:
Stanley R Hagedorn, Lynnwood, WA (US);
Stewart W Roach, Seattle, WA (US);
Assignee:
Marco Seattle, Inc., Seattle, WA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65G / ;
U.S. Cl.
CPC ...
406 93 ; 406153 ; 417174 ;
Abstract
Pumping efficiency for fish and other articles has been achieved far beyond expectations. By extracting water and adding air at a location in the pumping system higher than the initial air injection point, thereby excluding a certain percentage of the water, efficiency is not only increased but variable control capabilities are achieved.