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:
Apr. 11, 2006
Filed:
Sep. 04, 2002
Applicants:
John Swaffield, Edinburgh, GB;
David Campbell, Edinburgh, GB;
Inventors:
John Swaffield, Edinburgh, GB;
David Campbell, Edinburgh, GB;
Assignee:
Studor S.A., Luxembourg, LU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16I 55/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
The positive air pressure attenuation device () for use in drainage systems in buildings includes a housing (), connected to the system, to which a flexible reservoir () is secured, the flexible reservoir () being operable on a positive air pressure transient within the drainage system, wherein both the housing () and the flexible reservoir () are contained within an external casing ().