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| Number | Title | Issue Date |
| 7418998 | Chamber sealing valve According to some embodiments, a first sealing portion is provided on a valve shaft to seal a chamber. The first sealing portion may, for example, seal the chamber when the valve shaft is inserted a first distance into an opening of the chamber. A second sealing por... | 09/02/2008 |
| 7216843 | Pilot-controlled electromagnetic valve system A pilot-controlled electromagnetic valve system has an electromagnetic valve block mounted on the top of a manifold block. A bearing surface is formed on the top of the electromagnetic valve block at a position adjacent to a screw accommodating recess formed on a jo... | 05/15/2007 |
| 7128305 | Unitary slot valve actuator with dual valves A unitary slot valve actuator is in a vacuum body between process and transport modules. A separate valve is provided on the unitary actuator for each of two valve slots, each slot being closed or opened according to the position of the unitary actuator. The separat... | 10/31/2006 |
| 7059583 | Unitary slot valve actuator with dual valves A unitary slot valve actuator is in a vacuum body between adjacent vacuum chambers, such as process and transport modules. Separate valves are provided on the unitary actuator for each of two valve slots, each slot being closed or opened according to the position of... | 06/13/2006 |
| 7051995 | Device for generating a reciprocating movement, valve arrangement therefore and pheumatic tool A pressure-fluid driven device for generating a reciprocating movement includes a first (5) and a second relatively movable part (3), wherein a working chamber (7) is intended to be alternatively pressurised and depressurised so as to drive the ... | 05/30/2006 |
| 7004453 | Pendulum valve with a full range of position control Embodiments of the present invention provide a pendulum valve with a full range of normal position control. The pendulum valve can include a valve housing having a flow channel, and a valve body that is movable within the valve housing between a fully open position ... | 02/28/2006 |
| 5787860 | Valve with combined valve members and fuel--injection system provided with such a valve A valve comprises an inlet and two outlets. The flow to the two outlets is controlled by an integrated valve having two members which operate in conjunction with the two valve seats associated with the outlets. The valve is used in an air-assisted fuel-in... | 08/04/1998 |
| 5147333 | Needleless injection port with automatic backcheck valve A needleless injection port and automatic backcheck valve comprises a generally tubular body having a pair of vertically offset ports extending laterally therefrom, and a spool within the bore for controlling communication between the ports. The spool is ... | 09/15/1992 |
| 4796665 | Multi-purpose draining valve A valve body comprises a first sealing seat and a second seat opposite the first. The valve element is selectively controlled so that, in addition to the position in which a bearing surface thereof rests on the first seat to ensure tightness of the device... | 01/10/1989 |
| 4702400 | Aerosol dispensing metering valve There is described an improved aerosol dispensing metering valve. The valve, for use with a container for pressurized material comprises a valve body with a single internal metering chamber and outer and inner seals closing the respective outer and inner ... | 10/27/1987 |
| 4667925 | Quick coupling hose connection with double acting backflow preventing valve An instant coupling comprises a male element (9) and a female element (1) which comprises a chamber (4) containing a valve (5) provided with a first sealing surface (10) which, when pressurized water is present, rests against a seat (12) and shuts-off wat... | 05/26/1987 |
| 4273310 | Device for blocking or releasing fluid flow A device for blocking or releasing the flow of a gaseous or liquid medium therethrough by means of a valve ball which is situated in a valve seat includes a release bar which can be moved such that the valve ball is moved relative to the valve seat. The l... | 06/16/1981 |
| 4254636 | Heat transfer system A heat transfer system for using solar energy to modify the temperatures of conditioned space in a building and to supply domestic hot water for the building. Part of the system is mounted to a core that forms a structural column of the building. The syst... | 03/10/1981 |
