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:
Nov. 27, 2012
Filed:
Sep. 15, 2009
Howard C. Anderson, Tracy, IA (US);
Andy Schirz, Leighton, IA (US);
Kenneth E. Nossaman, Pella, IA (US);
Howard C. Anderson, Tracy, IA (US);
Andy Schirz, Leighton, IA (US);
Kenneth E. Nossaman, Pella, IA (US);
Pella Corporation, Pella, IA (US);
Abstract
An IG unit includes a perimeter structure having a port, a first pane supported by the perimeter structure, a second pane supported by the perimeter structure opposite the first pane with an interior space defined between the first and second panes that is sealed and connected to the port, and a membrane valve assembly adapted to act as a self-sealing access to the port. The membrane valve assembly optionally includes a first sealant layer, a second membrane layer, and a third sealant layer, for example.