Did You Know...
...that two musicians were responsible for the invention of color print film? Fascinated by photography, Leopold Godowsky and Leopold Mannes worked together to produce an easy-to-use, practical color film. They worked full time as music teachers and gave concerts while experimenting during their off hours in Mannes' kitchen. Their success earned them full-time, well-paying jobs at Kodak and their efforts resulted in Kodachrome film, which was introduced in 1935.
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| Number | Title | Issue Date |
| 8074671 | Self-cleaning valves for use in vacuum cleaners and other self-cleaning valves A self-cleaning valve assembly is provided, such as for use in a vacuum cleaner such as a particularly advantageous vacuum cleaner system that has at least two filters and self-cleans its filters via back-flushing, without needing to stop normal operation to self-cl... | 12/13/2011 |
| 7931044 | Valve body and condensate holding tank flushing systems and methods The present invention relates to a valve body and condensate holding tank flushing system and method for use in a delayed coker operation. ... | 04/26/2011 |
| 7926503 | Fluid injection system The present invention is directed toward an apparatus for efficient, durable, reliable, and cost-effective fluid injection. In particular, the present invention provides an unpowered device for automatic fluid injection dictated by pressure differential in the line.... | 04/19/2011 |
| 7363121 | System, method and apparatus for searching geographic area using prioritized spatial order A spatial data search method, system and apparatus for identifying particular data of significance around a reference vector through the spatial data. The method involves determining a reference vector within a spatial region for which spatial data exists, loading a... | 04/22/2008 |
| 7266891 | Method for sealing a throttle valve housing The present invention is a method where a one-piece throttle valve is fastened to a throttle valve shaft in a first step. In another step, at least one elastic compensating element is placed onto the throttle valve. In another step, the elastic compensating element ... | 09/11/2007 |
| 7231936 | Hot/cold water tube connection structure for plastic faucets A hot/cold water tube connection structure for plastic faucets comprises a hot/cold water connector tube made up of a valve seat and a coupling tube wherein the valve seat has a screw tube extending downwards at the bottom of a stop ring, and a sealing ring mounted ... | 06/19/2007 |
| 7214165 | Method of automatically flushing debris from an electrically-operated hydraulic valve The normal control of an electrically-activated hydraulic valve armature is overridden to automatically and periodically open the armature for flushing out debris that has accumulated between the armature and a seat that the armature is designed to engage. The valve... | 05/08/2007 |
| 7175612 | Suction limiting device with variable control A suction limiting device with variable control for use in a surgical system includes a main vent body having a fluid carrying bore extending therethrough and a variable vent mechanism having a main vent opening in selective fluid communication with the fluid carryi... | 02/13/2007 |
| 7139417 | Combination compression and registration techniques to implement temporal subtraction as an application service provider to detect changes over time to medical imaging The present technique involves remote processing and comparison of medical diagnostic images obtained over a period of time. A remote processing system is provided to match and subtract the medical diagnostic images, which may be received from users and gathered fro... | 11/21/2006 |
| 7121287 | Sanitary manifold system and method for hygienically dispensing fluids The present invention relates to the dispensing of a microbiologically sensitive fluid, in particular low acid food fluid, in a hygienic manner so as to avoid micro-organism growth in the line dispensing the fluid as well as in any mechanical components of a dispens... | 10/17/2006 |
| 7077153 | Side control faucet with diverter assembly A side control faucet is provided with a separate diverter valve which is connected to a single outlet from the valve body. The diverter valve is connected to a spout and to an auxiliary water dispenser, such as a side spray or water filtration dispenser. The separa... | 07/18/2006 |
| 7025078 | Clean-in-place valve and valve seat A valve seat and a valve assembly incorporating such valve seat form tight dual seals with glass lined nozzle of a reagent or reaction vessel. This reduces or eliminates cavities and crevices between the value seat and the nozzle where residues or contaminants can a... | 04/11/2006 |
| 6969048 | Valve element for supplementary control valve device The valve element is composed of a valve stem, at one of whose ends a valve head is arranged, said valve head being of concave design in the direction of the valve stem, having on the outside a continuous annular region and having at least two cutouts between the an... | 11/29/2005 |
| 6860283 | Method of cleaning valves or lines Method of cleaning valves or lines through which hydrolysable polymers are transported at the operating temperature, in which, after the polymer stream has been shut off and the polymer has been evacuated as far as possible, steam is passed through the valves or lin... | 03/01/2005 |
| 6860284 | Method and device for controlling at least one valve A method and a device for controlling at least one valve, in response to a detected leak in the system including the valve. An activation signal is generated which opens the valve briefly for flushing purposes and closes it again, or moves the valve ball at great sp... | 03/01/2005 |
| 6857646 | Anti-roll suspension valve body A suspension system that restricts side-to-side airflow between air springs on opposite sides of a vehicle or trailer. In one embodiment, active airflow discs in suspension ports of a valve operate in two modes; restrictive and non-restrictive. A disc attains a non-... | 02/22/2005 |
| 6761184 | Water flushing unit for a pressure balanced shower valve A water flushing unit and a method of making such comprising a cover plate that is to be mountingly installed to replace the original equipment cover plate of a shower valve. The modified cover plate has a drain conduit which includes an on/off valve. The on/off val... | 07/13/2004 |
| 6698444 | Freeing of seized valves In order to free a seized valve, an inspection port is formed in a wall of the valve body and the areas where the valve is seized are determined. One or more injection ports are formed in the valve body adjacent to the seized portions of the valve, pressu... | 03/02/2004 |
| 6691731 | Corporation stop cleaning device A corporation stop cleaner device includes a T-shaped body having an inlet end, an outlet end, a flushing inlet connection and a flushing outlet connection. The T-shaped body is attached to the fluid inlet of a corporation stop. A removable brush is mount... | 02/17/2004 |
| 6681792 | Reduced-length sleeve valve A multiple opening sleeve valve is provided with a gate movable to control flow or pressure without the need for axial movement of a component through a pressure-containing seal. A gate actuator can include a drive rod and nut coupled to a gate substantia... | 01/27/2004 |
| 6505639 | Hygienic three way valve The invention pertains to a hygienic three way valve for dispensing medicinal, pharmaceutical and food products or other fluid materials which require the processing of fill products without contamination while providing a positive control over the the fi... | 01/14/2003 |
| 6484745 | Fill valve assembly A positive control fill valve for dispensing fillable materials which eliminates dripping, splashing, sloshing and contamination of fill materials is provided with a fluid activiated fill piston having a substantially cylindrical piston sealing head coope... | 11/26/2002 |
| 6374847 | Seal cleansing routine A method is provided for cleansing a seal of a device used for sealing an evaporative emission control system of an automotive vehicle. The method starts by determining if a request to close the device has been made. If the request to close the device has... | 04/23/2002 |
| 6240946 | Switch valve A switch valve 10 is provided with an upper body 14 having a plurality of outlet ports 20A, 20B, and 20C and a lower body housing 16 with inlet port 18. The switch valve includes a ball member 22 which is rotatable within the switch valve body 12 for sele... | 06/05/2001 |
| 6213450 | Valves The invention provides a valve 10,30 for connecting first and second conduits 12,14. The valve 10,30 comprises; a valve member 16 rotatably mounted in a housing 18, to define a space 22 between the valve member 16 and the housing 18; and inflatable seal m... | 04/10/2001 |
| 6206021 | Sleeve valve with clean out section A sleeve valve comprises a sleeve and a gate. The sleeve includes an intake, a discharge nozzle section, and a clean-out section. The discharge nozzle section includes a plurality of nozzles. The sleeve is adapted for fluid flow from the intake through a ... | 03/27/2001 |
| 6170506 | Method and circuit for actively cleaning electrohydraulic valves in a hydraulic control valve circuit A method for cleaning a solenoid-operated regulator valve wherein command current applied to a solenoid actuator establishes a defined response of a valve. Cleaning current pulses applied to the solenoid establish a response that does not interfere with t... | 01/09/2001 |
| 5746239 | Dual trace valve system A valve system includes a valve and apparatus for supplying fluids to the valve. The valve includes a valve enclosure and a valve stem movable through the valve enclosure. The valve enclosure includes a valve body and a valve bonnet. The valve system incl... | 05/05/1998 |
| 5564457 | Vacuum breaker valve with CIP capability A vacuum breaker valve configured for clean in place capability is provided which includes a body having an internal passageway including a chamber, a valve member shiftable within the chamber, and a motive member positioned adjacent an upper end of the c... | 10/15/1996 |
| 5445180 | Fluid flow control A metering apparatus, which may be single- or double-acting, includes a valve device including a closure member, an inlet port, an outlet port and one or two other ports communicating with a metering chamber of the single-acting apparatus or respective me... | 08/29/1995 |
| 5398712 | Purgeable connection for gas cylinders A device and a method for its use for the removal of contaminants from a gas cylinder valve assembly. The valve assembly output is fed to the device which in turn has inlet and outlet connections to receive and to pass purge gas therethrough. The device i... | 03/21/1995 |
| 5370146 | Sample valve A valve for obtaining a sample from a continuous flow of fluid includes a primary flow path for directing a continual flow of the fluid through the valve, a valve stem which engages a passage in a valve seat for metering a sample of fluid passing through ... | 12/06/1994 |
| 4979527 | Sterilizable valve assembly for dispensing fluid materials and a method of operating the valve assembly A valve assembly having a diaphragm valve configured for efficient cleaning and sterilization, and a method for operating the valve assembly in a manner controlling the fluid material flow therethrough and for effecting cleaning thereof. The valve assembl... | 12/25/1990 |
| 4785841 | Bladder valve A self clearing bladder valve is provided by concentric flexible and expandable bladder sleeves, the inner sleeve defining the passage through the valve. Flushing fluid is directed into an annular chamber between the bladder sleeves and through apertures ... | 11/22/1988 |
| 4757834 | Method and apparatus for the realization of a leakage-free switching double seat valve adapted for cleaning seat surfaces A method and apparatus for the realization of a leakage-free switching double seat valve allowing cleaning of seats. Said method ensures that in double seat valves comprising closing elements of which one is structurally designed as set disk and the other... | 07/19/1988 |
| 4552167 | Method of and device for cleaning hollow spaces in double seat valves A double seat valve, preferably a multi-way valve having two valve disks movable independently one against the other and against the valve seats, defines an annular space between the two valve disks which is connected to the outer atmosphere by a discharg... | 11/12/1985 |
| 4548224 | Faucet repair system A faucet repair system is provided for the removal of loose or broken faucet components, debris or other material which may be lodged in a faucet body or water feed line. A hollow coupling having threads identical to the bonnet or stem nut of the defectiv... | 10/22/1985 |
| 4531532 | Snap-on valve gasket A sanitary valve assembly including a valve and a field replaceable gasket. The gasket is formed with a plurality of resilient fingers which conform to a frusto-conical surface of the valve head. The apex end of the valve head frusto-conical surface is pr... | 07/30/1985 |
| 4501286 | Rotary valve A valve structure including a valve body defining a valve chamber with a tapered bearing surface and a tapered valve member journaled in the tapered bearing surface. A spring-biased plunger mechanism constantly urges the valve member into slidable sealing... | 02/26/1985 |
| 4383769 | Homogenizing apparatus and method A valve assembly includes a stack of valve members which define a number of annular valve slits between knife-edge valve seats and opposing valve surfaces. The valve members are rings having grooves formed therein to define a low pressure liquid chamber. ... | 05/17/1983 |
