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2024
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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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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... |
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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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P/S
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Flood prevention systems comprised of fittings of metal, namely, fittings of metal containing val... |
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2020
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Invention
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Apparatus, methods and articles of manufacture for dry pipe sprinkler system. An apparatus and me... |
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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... |
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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... |
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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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P/S
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Plugs of metal, namely, pipe monitoring plugs for monitoring corrosion in sprinkler systems |
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P/S
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Plugs of metal, namely, pipe monitoring plugs for monitoring corrosion in mechanical systems |
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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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P/S
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manually operated drainage and testing valves made of metal for fire suppression systems; manuall... |
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P/S
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manually operated purging valves made of metal for fire suppression systems |
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2013
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P/S
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Manually operated drainage and testing valves made of metal for fire suppression systems |
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P/S
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Fire suppression, sprinkler water recovery system used to save water expelled during system testi... |
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P/S
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Fire suppression, sprinkler system, condensation collection assembly used to prevent system failu... |
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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... |
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2010
|
Invention
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Condensate collector arrangement with anti-trip arrangement for dry pipe sprinkler system. A cond... |
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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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P/S
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Metal drainage and testing valves not being parts of machines |
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2008
|
Invention
|
Fire suppression fluid circulation system.
An arrangement for testing a fire suppression sprinkl... |
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Invention
|
Flow sensor and actuator. An arrangement for testing a fire suppression sprinkler system includes... |
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2007
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Invention
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Condensate collector arrangement for dry pipe sprinkler system.
A condensate collector arrangeme... |
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2002
|
Invention
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In-line valve arrangement for fire suppression water sprinkler system. A valve arrangement for us... |
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2001
|
Invention
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Valve and arrangement for fire suppression system. A valve and valve arrangement for a fire suppr... |
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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... |
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1999
|
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... |
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1997
|
Invention
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Circuit and apparatus for sensing fluid flow. A circuit and apparatus for magnetically sensing fl... |
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1996
|
Invention
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Circuit for controlling operation of a load after a predetermined time delay. A circuit for contr... |
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1995
|
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... |
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1991
|
Invention
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Supply valve and arrangement for fire suppression water sprinkler system. A supply valve and an a... |
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Invention
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Adjustable sprinkler head positioning assembly. An adjustable sprinkler head positioning assembly... |
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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 ... |
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|
Invention
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Supply valve and arrangement for fire suppression water sprinkler system. A supply valve (36) and... |
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1989
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Invention
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Device for cleaning a drain. An apparatus for use in delivering fluid under pressure to a drain o... |
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Invention
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Valve and arrangement for fire suppression water sprinkler system. A valve and an arrangement for... |
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1987
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P/S
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MANUALLY OPERATED DRAINAGE AND TESTING VALVES MADE OF METAL FOR FIRE SUPPRESSION SYSTEMS |
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1986
|
Invention
|
Valve and arrangement for fire supression water sprinkler system. A valve and an arrangement for ... |
