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. 18, 2025
Filed:
Aug. 22, 2023
Hochik I Corporation, Tokyo, JP;
Keisuke Washizu, Tokyo, JP;
Hiroki Masuzawa, Tokyo, JP;
HOCHIKI CORPORATION, Tokyo, JP;
Abstract
A sensoris a fire detection apparatus attached to a ceiling surface, and includes an inflow spaceprovided inside the sensor, a detection spacefor detecting a detection target, the detection spacebeing provided at a position on a ceiling surfaceside of the inflow spaceon the inside of the sensor, an inner coverfor housing the detection space, the inner coverbeing capable of allowing gas containing the detection target to flow into and out of the detection spacethrough the inflow space, an outer coverfor housing the inner cover, the outer coverbeing capable of allowing the gas to flow into and out of the inflow space, and a suppressorprovided in the inflow spaceand formed integrally with the outer cover, the suppressorbeing used to suppress inflow of moisture contained in the gas into the detection space