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. 10, 2015
Filed:
Mar. 12, 2009
Marthinus Cornelius Van Schoor, Medford, MA (US);
Attila Jozsef Lengyel, Somerville, MA (US);
Matthew Pike, Medford, MA (US);
Marthinus Cornelius Van Schoor, Medford, MA (US);
Attila Jozsef Lengyel, Somerville, MA (US);
Matthew Pike, Medford, MA (US);
Mide Technology Corporation, Medford, MA (US);
Abstract
A sprinkler head including a sprinkler body with a passage for fluid and a seal mechanism sealing the passage, and a cage member. A frangible bulb extends between the cage member and the seal. A shape memory alloy element is associated with the frangible bulb and has a first configuration that fits within, about, or abutting the bulb and a second configuration at a predetermined temperature which breaks the frangible bulb releasing the fluid through the passage.