Quotables
"I hate what they've done to my child...I would never let my own children watch it. "
Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8262061 | Ball valve A ball valve having a cam element, and a ball having a left arm and a right arm with a slot between each arm. A terminal portion of each arm is positioned adjacent the cam element. The cam element is shaped so that, when the ball is rotated from the open condition t... | 09/11/2012 |
| 7758016 | Ball valve A ball valve comprising a housing, a ball seat disposed within the housing, and a ball rotatably movable within the housing, and engageable with the ball seat in order to provide a seal within the ball valve and the ball seat, wherein the ball seat comprises multipl... | 07/20/2010 |
| 7451959 | Plug valve having a seal boss A fluid control valve utilizes a rotatable plug valve member mounted in a fluid passage to control the flow of fluids. Two segments are placed on each side of the plug valve member within a recess located between the plug valve member and the body of the fluid passa... | 11/18/2008 |
| 7337797 | Ball valve and method of manufacture A ball valve having a ball valve assembly disposed within a unitary, elongated tube is provided. The unitary, elongated tube has a first, inlet end, a medial portion having a cross-sectional area, and a second, outlet end. The first, inlet end is a swedged tube havi... | 03/04/2008 |
| 7281700 | Gate valve apparatus for vacuum processing system A gate valve apparatus includes a valve body to open and close a target object transfer port in a vacuum processing system. The valve body is reciprocated in a first direction relative to the transfer port. A support rod is connected to the valve body and extends in... | 10/16/2007 |
| 7278444 | Valve assembly having improved pump-down performance A valve assembly including a housing having a flow path extending to an outlet and a valve seat in the flow path and around the outlet, a slide plate located in the housing and movable transversely to a longitudinal axis of the flow path between a closed position, i... | 10/09/2007 |
| 7267323 | Ball valve with cartridge A ball valve has a valve body having a chamber, aligned inlet and outlet passages providing flow therethrough, and an access passage communicating with the chamber. A replaceable cartridge assembly is seated in the chamber and includes a generally spherical ball hav... | 09/11/2007 |
| 7159844 | Two-part flap valve A valve having a housing with a valve seat for a two-piece flap which is rotatably mounted on a drive shaft. An annular piston seal and an adjacent cover disk are disposed between the first part and the second part of the two-piece flap so as to revolve there-around... | 01/09/2007 |
| 7156369 | Valve control device The device (1) comprises a support structure (2) in which at least a first opening (8, 9) is defined, a shutter (13) which is mounted for piloting in that structure (2) and which is adapted to take up a least a first and a second a... | 01/02/2007 |
| 7051994 | Control valve with detachable descrete curtain valve assembly Valves, particularly useful for controlling flow of heat transfer fluids in various heating, air conditioning and ventilation systems, are provided. The valves are of the curtain valve type and operate at very low torque and provide easy assembly and repair. The val... | 05/30/2006 |
| 7036793 | Stop valve A stop valve includes a valve body, a multishot resilient control sleeve, O-ring and handle. The control sleeve is molded to the valve stem to create an integral but separately molded fluid control member. Inlet line pressure resiliently biases the side walls of the... | 05/02/2006 |
| 7032883 | Hybrid butterfly fluid control valve A flow control valve system has a housing that defines a flow path, a throttle element disposed in the flow path, and a linkage assembly coupled to the throttle element and oriented substantially outside the flow path. With such an orientation, the linkage assembly ... | 04/25/2006 |
| 6988708 | Low torque ball valve seat A ball has a valve body defining an inner cavity and a fluid inlet and fluid outlet, a control ball element rotatably mounted in the inner cavity, and having a segment defining a ball face, and a flexible valve seat positioned in the valve body. The seat comprises a... | 01/24/2006 |
| 6983925 | Rotary barrel gate valve A rotary barrel gate valve includes a body and at least one passage through the body defining an inlet and an outlet. There is a first actuator for rotating the body, a second actuator for translating the body, and a sealing portion on the body which seals the body ... | 01/10/2006 |
| 6978977 | Dual lift system Valve and valve lift system suitable for use in a regenerative thermal oxidizer, and oxidizer including the switching valve. The valve of the present invention exhibits excellent sealing characteristics and minimizes wear. In a preferred embodiment, the valve is sea... | 12/27/2005 |
| 6974121 | Fluid flow control valve with bi-directional shutoff A control valve of the ball type with bi-directional shutoff capabilities is disclosed. The ball valve including an inlet and an outlet, a ball element and a seal assembly. When closing the valve, the ball element, which is eccentrically mounted on a shaft, rotates ... | 12/13/2005 |
| 6966336 | Fluid injection microvalve A microvalve for extracting small volume samples into analytical devices, e.g., high pressure liquid chromatography (HPLC) column, includes: a first body having a first interior surface and two or more outlet ports at the first interior surface that are in fluid com... | 11/22/2005 |
| 6910673 | Valve with calibrated flow orifice insert A valve with a calibrated flow orifice insert for use in Heating, Ventilation, and Air Conditioning (“HVAC”) applications so as to provide metered flow through the valve. The insert is used as a flow control device and is inserted into a conventional threaded ba... | 06/28/2005 |
| 6840502 | Flap valve for fuel aggregates A flap valve for fuel aggregates, such as fuel cells, comprises a flap arranged within a flow channel. A shaft for pivoting the flap is connected to the flap. Further, a seal disposed in a recess of the channel wall is provided, which comprises at least one pressure... | 01/11/2005 |
| 6783111 | Dual lift system Valve and valve lift system suitable for use in a regenerative thermal oxidizer, and oxidizer including the switching valve. The valve of the present invention exhibits excellent sealing characteristics and minimizes wear. In a preferred embodiment, the valve is sea... | 08/31/2004 |
| 6708946 | Ball valve A ball valve (10) is described which has a ball valve retaining mechanism which, when subject to very slight movement, allows a ball element (20) to be unloaded off a valve seat (48) during rotation, but remain in contact with the valve seat ( | 03/23/2004 |
| 6672563 | Ball valve having a magnetic seat sealing device A ball valve having a magnetic seat sealing device comprises a valve body, a valve seat, a valve ball, a valve stem and a valve bonnet, wherein the valve seat is disposed within a valve body cavity of the valve body, the valve ball being rotatably dispose... | 01/06/2004 |
| 6598853 | Plug valve with cam actuated seal means A rotary valve for blocking opposed apertures of a valve body includes a central assembly comprising laterally offset hemi-cylindrical first camming surfaces on an exterior of a rotatable spool and substantially hemi-cylindrical seal plates with hemi-cyli... | 07/29/2003 |
| 6425570 | Ball valve having retractable sealing member A ball valve having an upstream seat (92) with the seat actuated by outside pressure (14, 16). Retraction members (100, 102) continuously urge seat (92) to a retracted position out of sealing engagement with the ball. A sealing member (104) fits loosely w... | 07/30/2002 |
| 6378841 | Quarter-turn rotary plug valve with seats reciprocable during operation A method and apparatus for controlling fluid flow with a quarter-turn plug valve with seats operated to lift off the sealing surface of the plug prior to plug rotation and to reseat upon completion of plug rotation. One embodiment shown relates to a quart... | 04/30/2002 |
| 6267353 | Self draining valve A self cleaning and self draining valve. The valve may include a valve body that has an inlet port and an outlet port and a flow control chamber between the inlet and outlet ports wherein a flow control member is operably supported. The inlet and outlet p... | 07/31/2001 |
| 6217003 | Valve assembly having floating retainer rings A valve assembly including a valve housing having a fluid passageway extending through it. The fluid passageway has an inlet portion having a cross-section defined by a substantially annular inlet surface, an outlet portion having a cross-section defined ... | 04/17/2001 |
| 6217002 | Valve assembly having floating retainer rings A valve assembly including a valve housing having a fluid passageway extending through it. The fluid passageway has an inlet portion having a cross-section defined by a substantially annular inlet surface, an outlet portion having a cross-section defined ... | 04/17/2001 |
| 6050289 | Spherical valve for flow control of particulate solids and gases A valve for feeding abrasive particulate material to, and removal of particulate material from a pressurized vessel, adapted to operate at temperatures above 500° C., comprises a valve structure wherein a single shutoff member of generally spherical shap... | 04/18/2000 |
| 5971020 | Rotary coupling for an article handler A rotary coupling for communicating a pneumatic signal from a stationary pneumatic source to an apparatus. The rotary coupling has a housing and a rotating portion that rotates with respect thereto. The housing has at least two inlets in fluid communicati... | 10/26/1999 |
| 5931194 | Rotary coupling for an article handler A rotary coupling for communicating a pneumatic signal from a stationary pneumatic source to an apparatus. The rotary coupling has a housing and a rotating portion that rotates with respect thereto. The housing has at least two inlets in fluid communicati... | 08/03/1999 |
| 5842680 | Actuator using magnetic forces to reduce frictional forces An actuator for opening and closing a valve with less resistance. The actuator includes a rotor, a stator, a valve and a shaft. The shaft having a first and second end, and an axis extending longitudinally therethrough. The stator, having an electromagnet... | 12/01/1998 |
| 5799928 | Ball valve with improved valve seat and bonnet assembly A ball valve for controlling fluid flow comprises a housing with a chamber therein and a fluid flow passage therethrough having an inlet and outlet portion to and from the chamber adjacent the lower end of the housing, and generally annular recesses exten... | 09/01/1998 |
| 5769392 | Water flowrate control device An improved hydraulic valve comprising a housing having a first coupling end and a second coupling end is provided. The housing includes a receiving recess having an opening atop. The lower section is provided with a cone-shape wall. The inner wall of the... | 06/23/1998 |
| 5681028 | Valve assembly A valve assembly 20 includes a housing or bonnet 22 and a stem 24. The valve assembly 20 further includes a thrust washer 26, an O-ring 28, a reversible stop 30 and a retainer 32. A coupler 34, a rotatable ceramic disk 36, a fixed ceramic disk 38 and a bo... | 10/28/1997 |
| 5634625 | Valve closure system A valve assembly includes a valve closing device that is located within the flow passageway closed by the valve. The valve closure device includes a force member for imparting a closing force on a valve disk adjacent to the portion of the disk that contac... | 06/03/1997 |
| 5531244 | Hemispherical ball valve A ball valve for controlling fluid flow comprises a housing with a chamber therein and a fluid flow passage therethrough having an inlet and outlet portion to and from the chamber adjacent the lower end of the housing. An opening in the upper end of the h... | 07/02/1996 |
| 5397100 | Flow refrigeration valve A valve, such as a compressor or line service valve, for use in refrigeration or air conditioning fluid circuits having an improved flow for improved energy efficiency is disclosed. The valve incorporates a rotary ball member with a 90° fluid passage dia... | 03/14/1995 |
| 5338001 | Valve apparatus A valve assembly comprising: a valve seat having a first end, a second end, and a valve seat passageway extending therethrough from said first end to said second end; a valve ball assembly rotatably positionable adjacent the second end of the valve seat p... | 08/16/1994 |
| 5329968 | Shuttle valve A shuttle valve is described which comprises a valve housing having an inlet and a plurality of outlets. An inner valve assembly is located within an internal cavity which is actuated by a shaft which extends from the internal cavity to a point external f... | 07/19/1994 |
