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:
Jan. 30, 2018
Filed:
Sep. 13, 2013
3m Innovative Properties Company, St. Paul, MN (US);
Margaret M. Vogel-Martin, Forest Lake, MN (US);
Martin B. Wolk, Woodbury, MN (US);
Michael Benton Free, Saint Paul, MN (US);
Olester Benson, Jr., Woodbury, MN (US);
Evan L. Schwartz, Vadnais Heights, MN (US);
Robert F. Kamrath, Mahtomedi, MN (US);
Brant U. Kolb, Afton, MN (US);
Kathleen M. Humpal, Stillwater, MN (US);
Mark J. Hendrickson, Minneapolis, MN (US);
3M INNOVATIVE PROPERTIES COMPANY, Saint Paul, MN (US);
Abstract
Vacuum insulated glass units having layered pillars. The glass units include two glass panes and an edge seal between the glass panes with a substantial vacuum gap between them. A plurality of pillars are located between the glass panes as spacers to maintain the vacuum gap. The pillars have a sintered ceramic, alpha alumina, or zirconia body with a tapered sidewall and a functional layer on a surface of the body.