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2025
|
Invention
|
Swing check valve.
A swing check valve is disclosed, the swing check valve comprising a housing;... |
|
2024
|
Invention
|
Device and method for adjusting valve sealing engagement.
The present application is directed, i... |
|
2022
|
G/S
|
Air valves, control-, throttle- and interrupter-valves, each as machine parts of water and sewage... |
|
|
Invention
|
High-performance butterfly valve. A valve design including a valve body comprising an aperture th... |
|
2019
|
Invention
|
Valve lockout. The present disclosure relates to valve lockout systems, including valve lockout s... |
|
|
Invention
|
Knife gate valve with dead-end service. A knife gate valve with an interior channel divided by an... |
|
|
Invention
|
Knife gate valve with dead-end service. A knife gate valve with an interior passage divided by an... |
|
2018
|
Invention
|
Surge relief valve. A surge relief angle valve (SRA) is disclosed. The surge relief angle valve i... |
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2017
|
Invention
|
Combination air valve. The present disclosure is directed to a combination air valve that uses bu... |
|
2016
|
Invention
|
Check valve control unit. Embodiments include a check valve (100) that comprises a valve body (10... |
|
|
Invention
|
Check valve control unit. Embodiments include a check valve that comprises a valve body defining ... |
|
|
Invention
|
Knife gate valve and seal.
Embodiments include a seal for a knife gate valve. The seal includes ... |
|
|
Invention
|
Knife gate valve and seal. Embodiments include a seal for a knife gate valve. The seal includes a... |
|
|
Invention
|
Knife gate valve and seal.
Embodiments include a seal for a knife gate valve. The... |
|
2015
|
Invention
|
Bidirectional knife gate valve with a perimeter seat. Embodiments of the invention include a knif... |
|
|
G/S
|
Fluid handling equipment for use in municipal water, municipal wastewater sewage treatment, pump... |
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2014
|
G/S
|
Control valves for regulating the flow of gases and liquids |
|
|
G/S
|
Automatic valves for surge relief in pipelines, control of flow direction in pipelines, control o... |
|
|
Invention
|
Orbital seat in a butterfly valve. A sealing member is described including a surface contacting a... |
|
|
Invention
|
Seat for use in a butterfly valve. Embodiments of the invention include seat for a butterfly valv... |
|
2013
|
Invention
|
Wear ring retainer for a gate valve. Gate valves having removable interior wear rings that are ea... |
|
|
Invention
|
Valve wear ring and gate valve with wear ring. Valves having removable interior wear rings in whi... |
|
2010
|
Invention
|
Plug valve with flow area equal to or greater than the flow area of the connected piping.
An app... |
|
2008
|
Invention
|
Resilient seated butterfly valve with interchangeable off-center and on-center discs. The resilie... |
|
2006
|
Invention
|
Bi-directional knife gate valve apparatus and method. An improved method and apparatus for a valv... |
|
2004
|
Invention
|
Plug valve with flow area equal to or greater than the flow area of the connected piping. A plug ... |
|
2002
|
G/S
|
Mixing machines; fluid consistency regulating apparatus, flow feeding apparatus, fluid handling a... |
|
|
Invention
|
Stop apparatus and method for gear actuators. A stop apparatus for a gear actuator includes a tra... |
|
2001
|
Invention
|
Pneumatic volume booster for valve positioner. The system controls of a pneumatically operated va... |
|
|
Invention
|
Position detection for rotary control valves. A rotary control valve includes a flow control elem... |
|
2000
|
Invention
|
Lock device and lock method for knife gate valves. The present invention provides a device and me... |
|
|
Invention
|
Compression key lockout device for a gate valve. A lockout device (12) operable to lock a valve (... |
|
|
Invention
|
Adjustable lockout device for knife gate valves. A lockout device is designed for use with a valv... |
|
1999
|
Invention
|
Pneumatic volume booster for valve positioner. The system controls the position of a pneumaticall... |
|
1998
|
Invention
|
Bi-directional valve seal mechanism. A seating ring having a unique surface designed to engage wi... |
|
|
Invention
|
Lockout device for valve actuators. A lockout device is used to prevent linear movement of a pist... |
|
1997
|
Invention
|
Bi-directional valve seal mechanism. A valve including a valve body having a centrally disposed a... |
|
1996
|
Invention
|
Gate valve seat. There is provided a gate valve arrangement consisting of at least one sealing ri... |
|
1995
|
Invention
|
Hybrid rotary control valve assembly. There is provided a hybrid rotary control valve for use on ... |
|
1994
|
G/S
|
manually operated metal valves for water and sewer applications and not for domestic use |
|
1991
|
G/S
|
automatic, metal valve actuators for commercial and industrial use |
|
|
Invention
|
Low backlash compensating coupler. A compensating coupler uses spring coupling legs and tabs to c... |
|
|
Invention
|
Mechanical coupling particularly adapted for coupling a valve and actuator. Apparatus for mechani... |
|
1989
|
Invention
|
Valve actuator with hydraulic damper. A valve actuator for an associated valve which includes app... |
|
1985
|
Invention
|
Involute valve closure. A rotary valve for fluid flow control is provided having curved sealing s... |
|
1984
|
Invention
|
Unitary bearing and locator assembly for rotatable valves. A unitary bearing and locator assembly... |
|
1983
|
Invention
|
Retainer for a replaceable valve seat. A retention system for a valve seat ring wherein the inner... |
|
|
Invention
|
Valve actuator coupling. A valve actuator including a link arm having an adjustable wedge shaped ... |
|
1970
|
G/S
|
Air release valves, check valves, and primers for pumps and boosters. |
|
1964
|
G/S
|
Fluid Handling Equipment-Namely, Fluid Control Valves, Fluid Regulating Apparatus, Consistency Re... |
