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Alexander Andrews
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Clinton, MA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Fire sensor having a sensor guard for heat and smoke detection appl...
Patent number
9,830,794
Issue date
Nov 28, 2017
Tyco Fire & Security GmbH
John Bradley Stowell
G08 - SIGNALLING
Information
Patent Grant
Back box with mounting posts projecting from recessed portions in s...
Patent number
9,673,596
Issue date
Jun 6, 2017
Tyco Fire & Security GmbH
James T. Roberts
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Smoke detector with airflow barrier
Patent number
9,483,924
Issue date
Nov 1, 2016
Tyco Fire & Security GmbH
Alexander Singer Andrews
G08 - SIGNALLING
Information
Patent Grant
Smoke detector with airflow barrier
Patent number
9,058,731
Issue date
Jun 16, 2015
Tyco Fire & Security GmbH
Alexander Singer Andrews
G08 - SIGNALLING
Information
Patent Grant
Notification appliance enclosure
Patent number
8,797,724
Issue date
Aug 5, 2014
Tyco Fire & Security GmbH
Alexander S. Andrews
G08 - SIGNALLING
Patents Applications
last 30 patents
Information
Patent Application
Fire Sensor Having a Sensor Guard for Heat and Smoke Detection Appl...
Publication number
20160240059
Publication date
Aug 18, 2016
TYCO FIRE & SECURITY GMBH
John Bradley Stowell
G08 - SIGNALLING
Information
Patent Application
BACK BOX WITH MOUNTING POSTS PROJECTING FROM RECESSED PORTIONS IN S...
Publication number
20150380913
Publication date
Dec 31, 2015
TYCO FIRE & SECURITY GMBH
James T. Roberts
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Smoke Detector with Airflow Barrier
Publication number
20150254954
Publication date
Sep 10, 2015
TYCO FIRE & SECURITY GMBH
Alexander Singer Andrews
G08 - SIGNALLING
Information
Patent Application
Smoke Detector with Airflow Barrier
Publication number
20150097679
Publication date
Apr 9, 2015
SimplexGrinnell LP
Alexander Singer Andrews
G08 - SIGNALLING
Information
Patent Application
NOTIFICATION APPLIANCE ENCLOSURE
Publication number
20140070678
Publication date
Mar 13, 2014
SimplexGrinnell LP
Alexander S. Andrews
G08 - SIGNALLING