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:
Sep. 14, 1999
Filed:
Oct. 23, 1997
Applicant:
Inventor:
John C Dahlheimer, Laconia, NH (US);
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D / ;
U.S. Cl.
CPC ...
415 554 ; 4152141 ; 4152151 ;
Abstract
A regenerative turbine pump cover including an essentially flat bottom surface which includes a plurality of corner post projections. The post projections are located near comers of the cover. The bottom of the cover includes a central cutwater member having fillets extending from the sides and a raised circular projection radius extending from the top of the cutwater. The top of the cover includes well receptacles.