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. 28, 2014
Filed:
Mar. 14, 2012
Applicant:
Hans D Baumann, W. Palm Beach, FL (US);
Inventor:
Hans D Baumann, W. Palm Beach, FL (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 47/08 (2006.01); F16K 47/00 (2006.01); F16L 55/02 (2006.01); G05D 7/01 (2006.01);
U.S. Cl.
CPC ...
Abstract
A variable resistance device, suitable for pressure reduction in fluid control systems, comprising a housing with a pair of perforated tubes motivated to slide against each other in order to vary the amount of flow area exposed in such perforations, and wherein a cam and lever system causes sliding motion of one of the tubes.