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:
Oct. 27, 1987
Filed:
Dec. 10, 1984
Applicant:
Inventor:
John D Giese, Berkeley, CA (US);
Assignee:
Mepaco, Inc., Oakland, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
13762517 ; 1376253 ; 251120 ;
Abstract
A valve to regulate the flow rate and the shape of a fluid stream which includes two nestings cylinders each having elongated slots with one cylinder being rotatable between a position where the slots superimpose and where the slots do not superimpose and being slidable between a position where the slots are axially aligned and a position where the slots are not axially aligned.