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:
Aug. 26, 2025
Filed:
Apr. 19, 2024
Applicant:
Watlow Electric Manufacturing Company, St. Louis, MO (US);
Inventors:
Alfred Grant Elliot, Palo Alto, CA (US);
Brent Elliot, Cupertino, CA (US);
Assignee:
WATLOW ELECTRIC MANUFACTURING COMPANY, St. Louis, MO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 35/30 (2006.01); B23K 1/008 (2006.01); B23K 20/00 (2006.01); B23K 20/14 (2006.01); B23K 35/02 (2006.01); B23K 103/00 (2006.01); B23K 103/08 (2006.01);
U.S. Cl.
CPC ...
B23K 35/3033 (2013.01); B23K 1/008 (2013.01); B23K 20/008 (2013.01); B23K 20/14 (2013.01); B23K 35/0238 (2013.01); B23K 2103/08 (2018.08); B23K 2103/52 (2018.08);
Abstract
A joining method includes placing a brazing element between an interface area of a first ceramic piece and an interface area of a second ceramic piece to create a joining pre-assembly and placing the components of said joining pre-assembly into a process chamber. Oxygen is removed from said process chamber and at least said brazing element of said joining pre-assembly is heated, thereby hermetically joining said first ceramic piece to said second ceramic piece. Said brazing element consists of Cobalt and Carbon.