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2011
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Invention
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Method and apparatus for monitoring operation of a pilot-controlled pressure relief valve.
A met... |
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Invention
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Method and apparatus for monitoring operation of a pilot-controlled pressure relief valve. A meth... |
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2010
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Invention
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Improved pressure build economizer valve. An adjustable economizer valve is disclosed that does n... |
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Invention
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Pressure regulator having an integral pilot and self-relieving mechanism. A high flow pressure re... |
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Invention
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Cryogenic liquid cylinder manifold.
A cryogenic liquid cylinder pressure control manifold is dis... |
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Invention
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Gate valve with lubricated secondary seal. A gate valve includes a pair of opposing housing membe... |
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Invention
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Gate valve with integrated support members. A gate valve has support members that are attached to... |
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2009
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Invention
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A valve assembly having a unitary valve sleeve. A valve assembly preferably including a housing h... |
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Invention
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Diaphragm controlled bypass valve. A diaphragm controlled bypass valve includes a diaphragm valve... |
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2008
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Invention
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Rotary gate valve. A rotary knife gate valve includes a gate which rotates above a process flow a... |
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Invention
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A valve assembly having a reinforced valve seat. A knife gate valve includes a valve body defined... |
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2007
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Invention
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Rotary gate valve.
A rotary knife gate valve includes a gate which rotates above a process flow ... |
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1993
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Invention
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Line blind valve. A line blind valve is disclosed which includes a housing having opposed similar... |
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1992
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Invention
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Gate valve. A packingless gate valve is disclosed which includes a housing having opposed similar... |
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Invention
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Low sound loudspeaker system. A low sound loudspeaker system is constructed of an acoustic pipe e... |
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1988
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Invention
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Gate valve. A packingless gate valve comprises a housing having two opposed resilient sleeve unit... |
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Invention
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Gate valve with lock ring. A packingless gate valve is disclosed which includes a housing having ... |
