Fenwal Controls of Japan, Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 7199
 
  
 
G08B SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS 292
 
  
 
G01D MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED BY A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR 159
 
  
 
G01K MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR 145

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9574996 Suction-type smoke sensing systemSep 02, 11Feb 21, 17[G08B, G01N]
9297753 Photoelectric smoke sensorAug 29, 11Mar 29, 16[G08B, G01N]
8821014 Temperature sensor and heat treating apparatusJan 28, 13Sep 02, 14[G01K]
8743366 Light emission portion, photoelectric smoke sensor, and suction-type smoke sensing systemAug 31, 12Jun 03, 14[G01N]
7948627 Photoelectric smoke detectorMar 26, 10May 24, 11[G01N]
7697140 Photoelectric smoke detectorDec 15, 05Apr 13, 10[G01N]
7659986 Smoke sensor and electronic equipmentNov 14, 08Feb 09, 10[G01N]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0209,949 TEMPERATURE SENSOR AND HEAT TREATING APPARATUSAbandonedJan 28, 13Aug 15, 13[G01K]

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