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Patent No. 5996568

Process For Propelling Foodstuffs or the Like into a Crowd

A method of launching foodstuffs into a crowd for promotional and entertainment purposes.

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Class 417/44.9 - Diaphragm


Subclass of Class 417 - Pumps
Definition: Apparatus wherein the motor comprises an electrical circuit
No. of patents: 38
Last issue date: 12/06/2011


NumberTitleIssue Date
8070458Pump apparatus and method
Pump apparatus and method. The pump can include a valve assembly and a diaphragm. In some embodiments, the diaphragm can include a convolute that can deform in order to increase a volume of a pumping chamber to provide an internal fluid bypass when a pressure in the...
12/06/2011
8033797Pump with automatic deactivation mechanism
An automatic deactivation mechanism is configured for an air bladder pump having a casing and a motor located therein to pump air into an air bladder from the atmosphere and through an air valve connected through the casing. The automatic deactivation mechanism incl...
10/11/2011
7303096Liquid delivery system
A liquid delivery system includes a first reservoir having a first outlet through which liquid is delivered. A first delivery outlet is located at the lower portion of the first reservoir and a vent is included at its upper portion. A second reservoir located above ...
12/04/2007
7273359Peristaltic irrigation pump system
A peristaltic pump tubing system for use with a peristaltic pump roller assembly in a surgical procedure. The system comprises a uniquely shaped disposable cassette for retaining tubing to be used during the procedure and a uniquely shaped cassette receiving station...
09/25/2007
7140843Fluid pump for medical purposes and measuring chamber therefor
Fluid pump for medicinal, especially endoscopic, applications having a transport channeled through a drive, a device possessing a measuring chamber for measuring the pressure of the fluid conveyed in the transport channel and control means for the automatic control ...
11/28/2006
7083392Pump and pump control circuit apparatus and method
A method and apparatus for a pump and a pump control system. The apparatus includes pistons integrally formed in a diaphragm and coupled to the diaphragm by convolutes. The convolutes have a bottom surface angled with respect to a top surface of the pistons. The app...
08/01/2006
7071429Linear adjustment operator for pressure control of paint pumps
A linear adjustment operator for pressure control of paint pumps including a base, an electrical switch, a linear actuator, a spring biasing the switch towards the actuator and a lever acting on the actuator for repositioning the actuator with the switch positioned ...
07/04/2006
7043412Method and apparatus for predicting vehicle air system performance and recommending air system components
A method of designing a vehicle air system is provided. This method includes the use of a computer to simulate operation of a proposed vehicle air system over a time period, wherein the proposed vehicle air system comprises an air compressor and a pneumatically oper...
05/09/2006
7039972Inflatable device with recessed fluid controller and modified adjustment device
The application is related to inflatable devices, and, more specifically, to an inflatable device with a recessed fluid controller and improved adjustment device. In one embodiment, the application is directed to an inflatable device comprising a substantially fluid...
05/09/2006
7007828Chemical metering pump
A liquid chemical metering pump (24) is described that can be fully submerged within a hazardous liquid chemical transport/storage container (28). The pump (24) includes a discharge adaptor (30) that can be received in the outlet aperture...
03/07/2006
6893720Object coated with carbon film and method of manufacturing the same
An object such as an automobile part, an image forming apparatus part, a bicycle part, other machine parts, a sport article or its part, a toy or its part, or a rain article or its part has a portion to be in contact with a contact object. The contact portion is mad...
05/17/2005
6729849Constant pressure pump controller system
A constant-pressure pump controller system for maintaining a substantially uniform discharge pressure of liquid output from a pump operated by an electric motor and where liquid is delivered to a plurality of simultaneously-operating downstream outlets. The system p...
05/04/2004
6607360Constant pressure pump controller system
A constant-pressure pump controller system for maintaining a substantially uniform discharge pressure of liquid output from a pump operated by an electric motor and where liquid is delivered to a plurality of simultaneously-operating downstream outlets. T...
08/19/2003
6558125Injector for applying fluids fitted with a pressure measuring system
The injector of the invention serves for applying contrast media for X-ray or nuclear spin tomography and has a tube (3), as well as a roller pump (7) surrounded at least partially in peripheral direction by the tube (3) for transporting the fluid from a ...
05/06/2003
6017194Method of controlling the drive means for a pump delivering liquid to an accumlator
A method for control of the drive means for a reciprocating piston pump delivering liquid to a spring loaded piston liquid accumulator providing high volume compliance whereby the accumulator liquid volume is controlled within narrow limits by continuous ...
01/25/2000
5971713Pulseless liquid delivery system using a pulsatile pump
A liquid supply system including a diaphragm pump, a novel liquid accumulator providing exceptionally high volume compliance, and a control of accumulator volume within narrow limits by continuous control of the pump motor. The accumulator achieves high v...
10/26/1999
5961292Ripple-effect removing valve for use with a pressure detecting device in a control assembly of a pump
A control assembly for a pump includes a ripple-effect removing valve and a pressure detecting device. The ripple-effect removing valve includes a casing having a lower inlet end in fluid communication with a hollow body of the pump, an upper outlet end a...
10/05/1999
5961293In-take fuel pump assembly with unitary control unit for internal combustion engines
An in-tank fuel pump apparatus includes an elongated motor-pump unit having a motor and pump unit connected in end-to-end relation. An outer cam has a substantially constant diameter enclosing the motor-pump unit and projecting axially outwardly therefrom...
10/05/1999
5947700Fluid vacuum safety device for fluid transfer systems in swimming pools
A safety device for use in a fluid transfer system for a swimming pool or similiar application, having a pump which draws water from a reservoir through one or more intake lines each extending from an open end at the reservoir to the pump intake. The devi...
09/07/1999
5931808Cassette for endoscope
An apparatus for performing endoscopic surgical procedures within an internal body cavity. The apparatus includes an imaging unit for viewing the internal body cavity. In addition, the apparatus includes an intra-articular unit for providing a flow of flu...
08/03/1999
5927950Device for controlling the supply of water (or other liquid) by a pump and for protecting the same in the event of dry running
The device comprises: a flowstat 16 with a slider 16B with a built-in magnet 22 designed to interfere with a proximity-operated electric switch 20A; a variable-volume chamber 1 with a flexible wall 9 and spring means 28 that tend to reduce its volume; and...
07/27/1999
5915925Pulseless liquid supply system for flow cytometry
A liquid supply system for flow cytometry apparatus including a diaphragm pump, a novel liquid accumulator providing exceptionally high volume compliance, and a control of accumulator volume within narrow limits by continuous control of power to the pump ...
06/29/1999
5908286Motor driven fuel pump and control system for internal combustion engines
An in-tank motor-pump unit includes a motor driven gear pump, a pressure transducer, and a control module as a single integrated package establishing fuel flow at a constant pressure by creating a pulse-modulated motor drive having a fixed "off" and a var...
06/01/1999
5863185Liquid pumping system with cooled control module
Apparatus comprising a flow carrier connectable in a liquid flow system including an electric motor-pump unit and a conduit for conveying a pumped liquid to a liquid utilization apparatus. The flow carrier is connectable in the conduit and includes an ope...
01/26/1999
5795134Pressurized air system
A pressurized air system controls air pressure in air reservoirs that deliver compressed air to air-actuated components in a vehicle. An air compressor supplies compressed air to air reservoirs which deliver compressed air to air-actuated components. A co...
08/18/1998
5725359Pool pump controller
A pool pump controller includes a pneumatic pressure sensor having at least one port disposed to react to negative pressure within a pool's pump intake chamber. The sensor input port, which includes a check valve, is connected to a pump control switch thr...
03/10/1998
5672049Electromechanical device for the protection of a pump in waterworks of various types, in the absence of water
The device comprises: a branch (5) from the outlet (M) of the pump to a cavity (7) partially delimited by a membrane (14); a moving element (16, 22, 24) in a casing (9); a spring (36) pushing said element (16, 22, 24) toward the membrane (14) and capable ...
09/30/1997
5533866Pressurized air system
A pressurized air system controls air pressure in air reservoirs that deliver compressed air to air-actuated components in a vehicle. An air compressor supplies compressed air to air reservoirs which deliver compressed air to air-actuated components. A co...
07/09/1996
5518371Automatic fluid pressure maintaining system from a well
A fluid pressure system comprising an electric motor-driven pump for maintaining a predetermined pressure range in a system, including a remote solid-state encapsulated triac motor control circuit having a micro pressure sensor switch in the outlet duct f...
05/21/1996
5393201Synchronous rotating apparatus for rotating a plurality of shafts
A synchronous rotating apparatus synchronously rotates a plurality of rotary shafts independently driven by corresponding driving devices. The apparatus includes: a mechanical regulating member, arranged on the shafts, for maintaining relative rotating po...
02/28/1995
5320495Pressure switch adaptor for well system
A pressure switch adaptor designed to replace existing pressure switch adapters or connections and pressurizing air valves conventionally associated with water storage and distribution tanks. The adaptor is designed to be used as original equipment on new...
06/14/1994
5282722Electronic pressure control
A pressure control loop apparatus for controlling the operation of an electromagnetic clutch in portable spray painting equipment powered by an internal combustion engine having a pressure transducer for sensing the pressure, a manually adjustable pressur...
02/01/1994
5267363Pneumatic support system
A portable, inflatable support system, and a portable inflator for use with such a system are provided in one embodiment. The inflatable support system may include an inflatable mattress having a pressure valve and a battery powered inflator for removable...
12/07/1993
5096392Apparatus for conveying paints
An apparatus for conveying paints is connectible via a supply passage to a reservoir and is connectible via a feed passage to an application device. The apparatus includes a diaphragm pump mounted in a closed housing and provided with an admission valve a...
03/17/1992
4848097Apparatus for transferring water from a container to a refrigerator ice maker
Water is pumped from a container to a refrigerator ice maker and/or chilled water unit. The apparatus for transferring the water includes a motor operated pump, and the motor includes a pair of switches in series for turning the motor off. The switches in...
07/18/1989
4728264Fuel delivery system with pressure-controlled electric pump
A fuel delivery system which includes a fuel pump and a dc motor, which are preferably contained within a unitary housing. A pressure-sensitive switch, which is either contained within the unitary pump/motor housing or as a separate structure, includes a ...
03/01/1988
4645426Bilge pump
A pump operable in response to the level of the liquid to be pumped comprising an impeller, a motor for rotating the impeller, a discharge passage for receiving the liquid pumped by the impeller, and a sensing chamber communicating with the discharge pass...
02/24/1987
3975115Pump control system
A pump control system of the liquid level responsive type includes an air pump to pressurize a pressure responsive control unit in accordance with the level of water within a well, the system having an electrical control circuit including a switch which o...
08/17/1976
 
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