2022
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Invention
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System for maintaining integrity of a dry pipe system with heated cabinet and flow restrictor val... |
2021
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Invention
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Butterfly check valve. A butterfly check valve is disclosed, which includes a housing defining an... |
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Invention
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A system for maintaining integrity of a dry pipe system with heated cabinet and flow restrictor v... |
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G/S
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Flood prevention systems comprised of fittings of metal, namely, fittings of metal containing val... |
2020
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Invention
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Valve system and method for venting and measuring a gas content of a fire suppression system. A v... |
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Invention
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Apparatus, methods and articles of manufacture for dry pipe sprinkler system. An apparatus and me... |
2019
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Invention
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Main valve with pressure relief valve having a lockout feature. An integral valve arrangement may... |
2018
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Invention
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Purge and vent valve assembly. Described herein are a valve assembly, an air vent assembly, and a... |
2017
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Invention
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Purge and vent valve assembly. Described herein are a valve assembly, an air vent assembly, an ai... |
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G/S
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Plugs of metal, namely, pipe monitoring plugs for monitoring corrosion in sprinkler systems |
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G/S
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Plugs of metal, namely, pipe monitoring plugs for monitoring corrosion in mechanical systems |
2016
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Invention
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Apparatus, methods and articles of manufacture for dry pipe sprinkler system. Apparatus, methods,... |
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G/S
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manually operated drainage and testing valves made of metal for fire suppression systems; manuall... |
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G/S
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manually operated purging valves made of metal for fire suppression systems |
2013
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G/S
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Manually operated drainage and testing valves made of metal for fire suppression systems |
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G/S
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Fire suppression, sprinkler water recovery system used to save water expelled during system testi... |
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G/S
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Fire suppression, sprinkler system, condensation collection assembly used to prevent system failu... |
2012
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Invention
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Apparatus, methods and articles of manufacture for dry pipe sprinkler system.
Apparatus, methods... |
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Invention
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Fire suppression circulation system. An arrangement for testing a fire suppression sprinkler syst... |
2010
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Invention
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Condensate collector arrangement with anti-trip arrangement for dry pipe spinkler system. A conde... |
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Invention
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Condensate collector arrangement with anti-trip arrangement for dry pipe sprinkler system. A cond... |
2009
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Invention
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Fire suppression fluid circulation system. An arrangement for testing a fire suppression sprinkle... |
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G/S
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Metal drainage and testing valves not being parts of machines |
2008
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Invention
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Fire suppression fluid circulation system.
An arrangement for testing a fire suppression sprinkl... |
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Invention
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Flow sensor and actuator. An arrangement for testing a fire suppression sprinkler system includes... |
2007
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Invention
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Condensate collector arrangement for dry pipe sprinkler system. A condensate collector arrangemen... |
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Invention
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Condensate collector arrangement for dry pipe sprinkler system.
A condensate collector arrangeme... |
2002
|
Invention
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In-line valve arrangement for fire suppression water sprinkler system. A valve arrangement for us... |
2001
|
Invention
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Valve and arrangement for fire suppression system. A valve and valve arrangement for a fire suppr... |
2000
|
Invention
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Double check valve assembly for fire suppression system. A double check valve assembly having at ... |
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Invention
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Valve and arrangement for fire suppression system. A valve (20) and valve arrangement (36) for a ... |
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Invention
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Apparatus for sensing fluid flow and associated load control circuit. A circuit and apparatus for... |
1999
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Invention
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Improved apparatus for sensing fluid flow and associated load control circuit. A circuit and appa... |
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Invention
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Pressure relief valve and arrangement for fire suppression water sprinkler system. A valve and an... |
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Invention
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Valve with integral flow switch. A valve has an integral flow switch with a passageway provided t... |
1997
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Invention
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Circuit and apparatus for sensing fluid flow. A circuit and apparatus for magnetically sensing fl... |
1996
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Invention
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Circuit for controlling operation of a load after a predetermined time delay. A circuit for contr... |
1995
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Invention
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Adjustable sprinkler head positioning assembly. A drop line fitting is releasably secured to a sp... |
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Invention
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Valve and sensor arrangement. A valve and sensor arrangement includes a valve which has a valve m... |
1992
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Invention
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Adjustable sprinkler head positioning assembly. ABSTRACT OF DISCLOSURE An adjustable sprinkler he... |
1991
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Invention
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Supply valve and arrangement for fire suppression water sprinkler system. A supply valve and an a... |
1990
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Invention
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Valve and arrangement for fire suppression water sprinkle system. A valve and an arrangement for ... |
1987
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G/S
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MANUALLY OPERATED DRAINAGE AND TESTING VALVES MADE OF METAL FOR FIRE SUPPRESSION SYSTEMS |