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| Number | Title | Issue Date |
| 8151818 | System for supplying hydraulic fluid The invention concerns a system for supplying hydraulic fluid to a hydraulic system, with an operating reservoir that accepts the hydraulic fluid provided for the operation of the hydraulic system and an auxiliary reservoir connected to the operating reservoir over ... | 04/10/2012 |
| 7814926 | Liquid aspirator A liquid aspirator, in particular for liquids containing solids such as sludge, has a receptacle into which liquid can be sucked in by an aspirator motor through a vacuum connector and from which the liquid can drain through a drainage. The receptacle has at least t... | 10/19/2010 |
| 7380568 | Water flow controller An apparatus for controlling water flow is provided. The apparatus is a novel electronic water controller capable of operation using a battery-type power source, and providing for achievement of long battery life. The apparatus generally comprises an electronic cont... | 06/03/2008 |
| 7373946 | Vacuum tank assembly A vacuum tank assembly is provided for use on an RV or a boat and includes a two-piece vacuum tank. The two-piece vacuum tank includes a body and a removable top with a gasket located between the body and removable top. A dip tube is integrated into the removable to... | 05/20/2008 |
| 7367426 | EZ change oil An oil extraction apparatus for extracting oil from the oil pan of a vehicle is provided. The oil extraction apparatus includes a pump assembly operationally coupled to a power source of a vehicle. An inlet port assembly operationally coupled to the pump assembly. T... | 05/06/2008 |
| 7367366 | Pumping device A pumping device includes a container having a cover structure. A piston is movably received in the container and is manually operable. The cover structure has an air inlet valve and a slide switch, which, when properly set, allow air to be sucked into or expelled o... | 05/06/2008 |
| 7357142 | Apparatus for continuously aspirating a fluid from a fluid source An apparatus for continuously aspirating a fluid from a fluid source. A vacuum source is operatively connected to a first container forming a first chamber and a second container forming a second chamber. A fluid collection tube provides communication between the fl... | 04/15/2008 |
| 7351330 | Iron and hydrogen sulfide removal apparatus An automated system controls operation of a filtration system. The filtration system includes an aeration tank and a filtration tank. The system includes a pressure sensor, an air pump, a bleed passage, and a pressure control. The pressure sensor measures a pressure... | 04/01/2008 |
| 7338606 | Arrangement and method for maintaining a minimum flow velocity in the coolant return of a machine tool coolant filtration system An arrangement and method for maintaining a minimum flow velocity in return piping receiving dirty coolant from a plurality of machine tools receiving filtered coolant from a filter apparatus. A bypass line diverts clean coolant into the return piping via a pressure... | 03/04/2008 |
| 7310965 | Compressor head, internal discriminator, external discriminator, manifold design for refrigeration recovery apparatus The compressor head, internal and/or external discriminator, and manifold design in general utilize ball valves on the suction and discharge of a cylinder head in the recovery of refrigerant liquid and/or vapor. The device facilitates the flashing of liquid refriger... | 12/25/2007 |
| 7309470 | Methods and apparatus for improved fluid control utilizing a U-valve employing a bidirectional check valve A U-valve apparatus including a bidirectional check valve for controlling the flow of liquid from a vessel while preventing inadvertent discharge from the vessel. The check valve allows passage of a fluid such a gas into the vessel, for purposes of agitating the liq... | 12/18/2007 |
| 7243673 | Gas injection device The subject invention is related to a gas injection device with back-flow leaking liquid discharge, comprising a chamber, a gas inlet conduit, a gas outlet conduit, and a liquid discharging conduit, wherein the gas outlet conduit and the liquid discharging conduit a... | 07/17/2007 |
| 7229429 | Multiple lumen catheter A cylindrical elongate body having proximal and distal ends and enclosing two similar longitudinally extending lumens separated by a septum and a further lumen within the septum. A convergently tapered tip extending from the distal end of the body defines part of th... | 06/12/2007 |
| 7182599 | Method and apparatus for removing particulate metals from dental waste water An inline filter assembly to be used in conjunction with surgical or other procedures, near the patient or chairside in dental operations, that is capable of removing, by filtration, particulate matter from waste-water. The filter assembly is configured to permit ea... | 02/27/2007 |
| 7172689 | Arrangement and method for maintaining a minimum flow velocity in the coolant return of a machine tool coolant filtration system An arrangement and method for maintaining a minimum flow velocity in return piping receiving dirty coolant from a plurality of machine tools receiving filtered coolant from a filter apparatus. A bypass line diverts clean coolant into the return piping via a pressure... | 02/06/2007 |
| 7159412 | Compressor head, internal discriminator, external discriminator, manifold design for refrigeration recovery apparatus The compressor head, internal and/or external discriminator, and manifold design in general utilize ball valves on the suction and discharge of a cylinder head in the recovery of refrigerant liquid and/or vapor. The device facilitates the flashing of liquid refriger... | 01/09/2007 |
| 7152618 | Vacuum station and the method for operating the same A vacuum station is used for storing sewage from a vacuum sewage pipe and then delivering the sewage to a sewage treatment plant or the like. The vacuum station includes a collection tank for collecting sewage, a plurality of vacuum pumps for depressurizing and pres... | 12/26/2006 |
| 7124913 | High purity chemical container with diptube and level sensor terminating in lowest most point of concave floor A transportable container for high purity, high cost, liquid chemicals capable of maximizing dispensing of the liquid chemical content of the container at deviations from an upright position, comprising; a top wall, a side wall and a bottom wall, the bottom wall hav... | 10/24/2006 |
| 7124792 | Manual bulk liquid pump control and distribution system The present invention is directed to a manual bulk liquid pump control and distribution system that utilizes a single-handle manual operation for direction of flow and speed, along with providing a neutral position for standby. The system can be operated at a rate o... | 10/24/2006 |
| 7124775 | Micro pump device with liquid tank A micro pump device with liquid tank comprises a liquid tank being made of transparent material; and a micro pump having an inlet positioned in center of the liquid tank and the micro pump locating the side of said liquid tank. And, the liquid tank further includes ... | 10/24/2006 |
| 7124769 | High rise tower sanitary service system A system and method for servicing restrooms on the upper floors of a high rise building. The system is comprised of sections of hoses that are interconnected by valves, each valve configured to provide a user with the ability to selectively shut off the flow of mate... | 10/24/2006 |
| 7117896 | Air system module including reservoir and mounting structure A module includes a reservoir having at least three chambers for storing compressed air for a vehicle air supply system, and a mounting assembly for supporting the reservoir on the vehicle. The chambers are separate from each other internally. The reservoir includes... | 10/10/2006 |
| 7104290 | Joint for a fluid pumping apparatus A joint for a fluid pumping apparatus includes a body having a passage defined in the body and extending through the body. A through hole is longitudinally defined in the body and extends through the body. A container is mounted to a lower end of the body, and the p... | 09/12/2006 |
| 7093624 | Liquid pumping device A liquid pumping device includes a barrel, a cylinder, a conducting rod, a piston, an operation lever, and a cover. Thus, the liquid pumping device is operated automatically by the power source or operated manually by the operation lever to suck the liquid from the ... | 08/22/2006 |
| 7090663 | High volume liquid waste collection and disposal system A system for collecting and disposing of liquid medical waste includes a fluid collection cart and a draining and cleaning station. The fluid collection cart includes a pair of containers, each of which includes a draining port and a cap. Liquid level detectors also... | 08/15/2006 |
| 7080686 | Devices and methods for extraction, transportation and/or release of material Provided are methods and apparatuses for extracting, transporting and/or releasing various kinds of liquid and semi-liquid materials. The materials may have very high viscosity and may include solids. Generally speaking, the apparatus includes a container, a gateway... | 07/25/2006 |
| 7073346 | Compressor head, internal discriminator, external discriminator, manifold design for refrigerant recovery apparatus and vacuum sensor The compressor head, internal and/or external discriminator, and manifold design in general utilize ball valves on the suction and discharge of a cylinder head in the recovery of refrigerant liquid and/or vapor. The device facilitates the flashing of liquid refriger... | 07/11/2006 |
| 7022113 | Control of vacuum level rate of change A wound treatment apparatus has a vacuum bandage covering a wound of a patient, a vacuum source coupled to the vacuum bandage, and a controller that operates the vacuum source to apply negative pressure to the wound through the bandage in a controlled manner. The co... | 04/04/2006 |
| 7013909 | Vacuum valve controller The present invention provides a vacuum valve controller for opening and closing a vacuum valve mounted on an end of a pipe of a vacuum system that is part of a vacuum sewage system. A vacuum valve controller includes a pressure sensor for converting a water level o... | 03/21/2006 |
| 7007903 | Modular structures and connector assembly apparatus Disclosed is a modular, knock down structure construction system illustrated by three structures, each having connecting portions detachably secured to one another by Trapezoidal Quick Slide Connector Assemblies, also disclosed, that enable a user to erect, without ... | 03/07/2006 |
| 6997204 | High rise tower sanitary service system A system and method for servicing restrooms on the upper floors of a high rise building. The system is comprised of sections of vacuum hose that are interconnected by T-valves each T-valve is configured to provide a user with the ability to selectively shut off the ... | 02/14/2006 |
| 6990993 | Vacuum drainage system A vacuum drainage system operable to remove waste from a source. The system includes an accumulator in fluid communication with the source and a substantially vertical riser having a first portion in fluid communication with the accumulator and a second portion down... | 01/31/2006 |
| 6959717 | Method and apparatus for removing fluid from a fluid system A method and apparatus for removing fluid from a fluid system. The method or apparatus can include a pressure-reducing source to facilitate fluid removal. The system can be an engine cooling system or other fluid system. ... | 11/01/2005 |
| 6959722 | Device for adjusting the degree of vacuum in an apparatus for collecting substances by suction A device for adjusting the degree of vacuum in an apparatus for collecting substances by suction, comprising a valve that is provided with an air flow port connected to the atmosphere at one end and to a chamber at the other end, the chamber being connected to a sou... | 11/01/2005 |
| 6955506 | Device for pneumatic conveying of bulk material, especially granular material A device for pneumatically conveying bulk material has at least one flow limiter arranged in a conveying airstream. The flow limiter has a housing and at least one control member arranged in the housing. The control member controls a flow velocity of the conveying a... | 10/18/2005 |
| 6883533 | Service system and method A system for servicing a fluid system can employ a pressure-reducing source to perform the desired service. The fluid system can be an engine cooling system or other fluid system. ... | 04/26/2005 |
| 6837258 | Vacuum operated sealed liquid accumulator A sealed liquid accumulator for accumulating a liquid in a box which is sealed to prevent the escape of odors from the interior of the box. The accumulator has an outlet tube for evacuating liquid from the interior of the box by way of a vacuum. A source of replacem... | 01/04/2005 |
| 6763847 | Airless oil header An oil airless sucking machine that has features of easy control, smaller volume for carrying, and is suited to any size oil container. The machine has a three-way T-shaped nozzle carrier, which has a radial valve through-hole built as a valve buckle for a control v... | 07/20/2004 |
| 6755207 | Venturi based liquid transfer apparatus A fluid transfer apparatus having a lid portion, and outer bucket and an insert container, forming a double wall container for the receipt of transferred fluid, the apparatus utilizes a compressed air to operate a venturi pump to remove fluids, such as oils and grea... | 06/29/2004 |
| 6742535 | Method and apparatus for servicing a fluid system An apparatus and method of servicing fluid systems by draining, filling, or leak testing the fluid system can employ a pressure-reducing source to perform the desired service. The fluid system can be an engine cooling system, or other fluid system. ... | 06/01/2004 |
