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. 27, 1977
Filed:
Jun. 07, 1976
Applicant:
Inventor:
Hans D Baumann, Foxboro, MA (US);
Assignee:
Masoneilan International, Inc., Norwood, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F15D / ; F16K / ;
U.S. Cl.
CPC ...
138 42 ; 13762528 ; 1376253 ;
Abstract
A fluid resistance device being part of a fluid system and having high resistance, fluid energy absorbing passages within the plane surfaces of equally shaped circular plates which overlap each other in a prearranged pattern, each plate consisting of equally spaced circular segments, one half of which have a number of small openings while the other half define a large opening allowing for communication in planar and perpendicular direction between said small passages in both the adjacent segments.