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. 03, 2017
Filed:
Mar. 20, 2015
Applicant:
Charles J. Bowden, Battle Creek, MI (US);
Inventor:
Charles J. Bowden, Battle Creek, MI (US);
Assignee:
FEMA CORPORATION OF MICHIGAN, Portage, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 31/06 (2006.01); F15B 13/043 (2006.01);
U.S. Cl.
CPC ...
F16K 31/0655 (2013.01); F15B 13/0431 (2013.01); F15B 2211/3138 (2013.01); F15B 2211/50536 (2013.01); F15B 2211/526 (2013.01); F15B 2211/528 (2013.01); F15B 2211/55 (2013.01); F15B 2211/6653 (2013.01); F15B 2211/6658 (2013.01); F15B 2211/7142 (2013.01);
Abstract
A sequentially operated hydraulic valve for regulating a hydraulic fluid pressure from a single pressurized hydraulic fluid source to two different regulated pressures controlled by a single linear spring and by varying the position of end of the spring relative to the other end of the spring.