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| Number | Title | Issue Date |
| 5806556 | Turbine controlled metering valve A metering valve includes a main valve and a pilot valve for operating the main valve. A low operating force pawl and ratchet system rotates a cam to open the pilot valve to initiate a cycle of operation. When the main valve is opened, a turbine wheel in ... | 09/15/1998 |
| 5616829 | Abnormality detection/suppression system for a valve apparatus Provision of an abnormality detection and suppression system for a valve apparatus, which is capable of detecting abnormal states such as leakage through valve seats or a gland/packing assembly and coping with the abnormality while ensuring protection for... | 04/01/1997 |
| 4903731 | Water closet tank fill valve A water closet valve, automatically closed, following the passage of a predetermined quantity of water therethrough, includes a cylindrical housing having an inlet valve and water passageway at its depending end, is mounted within a water closet on its bo... | 02/27/1990 |
| 4768553 | Timed shut-off mixing water valve A ball clutch mechanism couples a faucet knob to the splined end of a valve stem for releasing the valve stem when the knob is fully depressed. A dashpot damped return spring urges the valve stem toward valve closed position when the clutch mechanism rele... | 09/06/1988 |
| 4769135 | Automatic metering system A fluid metering device (10) is provided for automatically restricting (i.e., shutting off or reducing) fluid flow to a filter (16). The metering device (10) has a vane (32) which turns as fluid flows and thereby drives a gear (92). Once the vane (32) has... | 09/06/1988 |
| 4645485 | Control valve for self-emptying centrifuge drum A control valve for a self-emptying centrifuge drum for draining closure fluid out of a closure chamber positioned below an axially movable piston slide with a valve piston that closes the closure-fluid runoff bores by means of centrifugal force and opens... | 02/24/1987 |
| 4630644 | Dual operated metering valve connected to both a hand operated push button and a foot operated push button An improved, remote controlled valve and dual push button assembly, having a hand operated push button which, when depressed and released, opens a water valve for a predetermined length of time after which the valve closes. The valve is also connected to ... | 12/23/1986 |
| 4569369 | Timer-controlled valve particularly for irrigation A timer-controlled valve comprises a valve member movable from a home position to an actuated position with respect to a passageway in the valve housing, an operator manually movable from a home position to a plurality of preselected actuated positions to... | 02/11/1986 |
| 4529004 | Pneumatic timing valves This invention describes a pneumatic timing valve, in which one end of a plunger projects into a chamber in constant communication with the atmosphere and is displaced by fluid means into its operating position against a return spring force, an incoming p... | 07/16/1985 |
| 3952993 | Dual rate valve assembly A valve assembly in an air brake truck system which meets minimum response time specifications required by authorities and the maximum response rate required by the wheel lock control system for efficient operation. The valve assembly varies the effective... | 04/27/1976 |
