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| Number | Title | Issue Date |
| 7273026 | Roller follower body The present invention relates to a roller follower, comprising an outer surface, enclosing a first cavity, a second cavity, and a transition opening, wherein the first cavity includes a first inner surface configured to house a cylindrical insert the second cavity i... | 09/25/2007 |
| 7077384 | Integrated post-guided seat ring assembly A control valve having a seat ring assembly constructed from a unitary piece of material is disclosed. The seat ring assembly may include a base which serves as a valve seat for the valve plug of the valve, and which includes a plurality of exterior threads adapted ... | 07/18/2006 |
| 6957659 | Sliding disk valve for pneumatic conveyance of abrasive material A linear actuated disk valve for a fluid conveyance system constructed with a valve body having an internal chamber and a passage through the valve body, the valve body having opposite ends with external connectors that continue the passage and that are connectable ... | 10/25/2005 |
| 6845783 | Sliding disk valve for pneumatic conveyance of abrasive material A linear actuated disk valve for a fluid conveyance system constructed with a valve body having an internal chamber and a passage through the valve body, the valve body having opposite ends with external connectors that continue the passage and that are connectable ... | 01/25/2005 |
| 4627461 | Self cleaning valve A self-cleaning valve has its closure member rotated against a valve seat during closing, by an externally threaded spindle rotated by an actuator. The spindle has a threaded portion screwed through an internally threaded collar which is pressed by a spri... | 12/09/1986 |
| 4338961 | Valve for handling hot caustic alumina solution with provision for grinding A valve structure is provided which can be opened and closed under operating conditions without any adjustment in conditions existing in the system in which the valve is an element. The valve element can be turned with respect to the seat to provide for p... | 07/13/1982 |
| 4177825 | Self-grinding valve mechanism Improved self-grinding valve is provided with corrosion-protecting features and an improved floating coupling between the valve stem and valve disc whereby, when the valve disc is brought into contact with its seat, a selected rotation of the valve disc w... | 12/11/1979 |
