Bizarre Patents
Cloaking System Using Optoelectronically Controlled Camouflage
A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.
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| Number | Title | Issue Date |
| 8083074 | Filter cartridge retention to nutplate A filter assembly where the filter cartridge is secured to the nutplate and a seal is provided between the filter cartridge and the nutplate. The sealing relationship between the filter cartridge and the nutplate is maintained during use of the filter assembly witho... | 12/27/2011 |
| 7946430 | Filter with protruding member for engaging valve in head A fuel filtration apparatus for use in an internal combustion engine comprises an interrupter valve in a flow path from an inlet port of a filter head to a compliant filter. The interrupter valve has an open state and a closed state. In the open state a protruding m... | 05/24/2011 |
| 7513373 | Filter element and liquid filter for freeze-endangered liquids and method for producing such a filter element A filter element (10) suitable for installation in a liquid filter for cleaning a freeze-endangered liquid; the liquid filter having a housing (37), composed of a housing pot (38), a housing cover (39), and a filter element (10) si... | 04/07/2009 |
| 7434697 | Disposable, spin-on filter A disposable, spin-on fluid filter is constructed and arranged to mount onto a base that is configured with a threaded mounting shaft. The base provides a fluid inlet flow to the filter and a fluid exit path from the filter. The filter construction includes a housin... | 10/14/2008 |
| 7413649 | Treatment apparatus with modular chemical containing units having one-way valve assemblies A fluid treatment system that includes at least one treatment module (“pod”) with rigid and impermeable inner and outer surfaces, and an annular center passage which is designed to provide an alternative flow path during the pod backwashing process. At least one... | 08/19/2008 |
| 7410572 | Combination particulate and acid-neutralizing filter The present invention provides a filter apparatus for use in removing impurities and acids contained in a fluid that includes a particulate filter and an acid-neutralizing filter. Preferably, the particulate filter and the acid-neutralizing filter are positioned wit... | 08/12/2008 |
| 7393455 | Method and apparatus for filtering pressurized fuel A method and apparatus for filtering pressurized fluids, wherein a fluid level provides a visual indicator as to the general condition of the filter element. The present invention provides a vertical housing having a fluid inlet for communicating the fluid into said... | 07/01/2008 |
| 7371321 | Fluid filtration system A filtration system (10) for removing contaminants from a fluid is provided. The system includes a housing (44) having a convex shaped base (78) and a top (84), with filter media (46) disposed within the housing. The filter media m... | 05/13/2008 |
| 7361271 | Environmentally friendly dual lube venturi filter cartridge An environmentally friendly dual lube venturi filter cartridge which has no metallic components. A plastic centertube having a venturi section supports a bypass filter element on standoffs molded into the centertube. An outer concentric full flow filter element surr... | 04/22/2008 |
| 7357866 | Filter module, installation kit for a filter module and a filter device The invention concerns a module for filtering media. More particularly, the invention concerns a module for filtering fluids and including one or more filter cells stacked on top of one another. The invention also relates to an installation set for the installation ... | 04/15/2008 |
| 7335298 | Modular aquarium filter A modular aquarium filter includes one or more cartridges connected in series. The cartridges may contain filter media for chemical, biological and/or mechanical filtration. In addition, the cartridges are designed such that they provide a unique internal helical ge... | 02/26/2008 |
| 7326342 | Fuel filter cartridge and keyed end cap A filter cartridge has a keyed end cap which is configured and shaped for unlocking an associated valve mechanism that comprises a latch device and a valve. In this manner, when the fuel filter cartridge is placed into a fuel filter housing having such a latch and v... | 02/05/2008 |
| 7314189 | Delivery system for treated water, showerhead and supply pipe for said system A water delivery system is disclosed comprising a showerhead featuring two delivery points, at least one of which has an own on-off valve, and at least a supply tube carrying untreated water, wherein the showerhead features two separate conduits connecting the two d... | 01/01/2008 |
| 7311208 | Environmentally friendly filter cartridge A filter cartridge which is environmentally friendly in that it is made up of components which are all incinerateable. The ends of a filter element are sealed using potting compound and plastic endcaps. The upper endcap, which is closed, has a pressure relief apertu... | 12/25/2007 |
| 7303673 | High-pressure spin-on filter assembly A high-pressure spin-on filter assembly is provided that utilizes a two-piece cover assembly to hold or sandwich the housing in place once the housing is folded over the inner cover member. This design allows for the outer cover member to be interchanged to fit mult... | 12/04/2007 |
| 7300581 | Remote mountable filter assembly A filter assembly capable of being directly mounted to a transmission housing or to a structure other than the transmission housing. The transmission housing includes a cavity, or groove that receives a sealing device, which is used when the filter assembly is to be... | 11/27/2007 |
| 7281904 | Transmission pump and filter The filter housing has a filter outlet portion with a central filter outlet passage. The outlet portion includes a terminal end portion defining a filter nozzle. The filter nozzle forms a nozzle passage between the filter nozzle and the pump housing. The nozzle pass... | 10/16/2007 |
| 7264716 | Membrane filtration manifold system A membrane filtration manifold for connecting a filter submodule including one or more elongate bundles of semipermeable polymeric fibers is provided. The manifold includes a housing and connecting collar connected with said housing. The collar is adapted to receive... | 09/04/2007 |
| 7264717 | Liquid dispensing apparatus and a filter assembly for a liquid dispensing apparatus A spring-biased filter assembly for a liquid dispenser is disclosed that permits ready removal of a filter assembly from a filter housing. The filter housing includes a liquid inlet, a liquid outlet, and a liquid passageway therebetween. The filter housing also has ... | 09/04/2007 |
| 7255789 | Method and apparatus for liquid purification An apparatus and method for purifying a liquid including: reaction chambers that utilizes KDF 85 or KDF 55 or other media in turbulence with the liquid, a first fine collective filtration unit, a first laser photolytic light ch... | 08/14/2007 |
| 7247245 | Filtration cartridge and process for filtering a slurry A depth filter design is disclosed which has little if any open void area upstream of the media. Preferably, it also has little if any open void area downstream of the media as well. A preferred embodiment uses layers of stacked, fibrous media with several of the la... | 07/24/2007 |
| 7244353 | Method of and system for fluid purification A method of and system for purifying fluid of an internal combustion engine or hydraulic system utilizes an evaporation chamber separate from a filtering chamber. A metering valve may be oriented between the filtering chamber and the evaporation chamber to control t... | 07/17/2007 |
| 7237681 | Ring filter element for a liquid filter A ring filter element is provided for a liquid filter, especially for an oil filter for purifying lubricating oil, especially for an internal combustion engine of a motor vehicle. The ring filter element comprises a filter material which is arranged in an annular ma... | 07/03/2007 |
| 7232035 | Liquid filter with directional fluid insert A filter assembly for removing particulate contaminants from a fluid, comprises a annular filter element having first and second ends, a filter housing containing the filter element and having first and second ends and a substantially cylindrical side wall defining ... | 06/19/2007 |
| 7232521 | Environmentally friendly acid neutralizing cartridge An environmentally friendly acid neutralizing filter cartridge for mounting into a chamber of a cartridge mounting body for neutralizing acid in engine oil in an oil circulation circuit of an engine. The environmentally friendly acid neutralizing filter cartridge co... | 06/19/2007 |
| 7217361 | Filter with support columns A filter includes first and second axially spaced end caps having filter media extending axially between the end caps and extending in a closed-loop around a perimeter defining a hollow interior communicating with an axial flow opening through one of the end caps. O... | 05/15/2007 |
| 7208084 | Modular aquarium filter A modular aquarium filter includes one or more cartridges connected in series. The cartridges may contain filter media for chemical, biological and/or mechanical filtration. In addition, the cartridges are designed such that they provide a unique internal helical ge... | 04/24/2007 |
| 7188732 | Method for manufacturing of a liquid cleaner and cleaner manufactured by said method The present invention relates to a method for the production of liquid cleaners, consisting of a cleaner housing with a cleaning chamber exhibiting an inner and an outer end, and a cleaning insert arranged inside the cleaning chamber. The cleaner housing is given a ... | 03/13/2007 |
| 7186337 | Quick-change filter and bracket system A bracket system holds one or more filters in quick-attach and quick-release fashion. Bracket modules are combined in modular fashion, with tubing or other conduit between the modules, to create a “bank” of filters easily changed in number, arrangement, and flow... | 03/06/2007 |
| 7179380 | Environmentally friendly dual lube venturi filter cartridge An environmentally friendly dual lube venturi filter cartridge which has no metallic components. A plastic centertube having a venturi section supports a bypass filter element on standoffs molded into the centertube. An outer concentric full flow filter element surr... | 02/20/2007 |
| 7175761 | Fluid filter assembly A filter assembly has a housing open at one end, with an annular filter media/core assembly disposed in the housing. An end plate having at least two inlet openings and an outlet opening is disposed in the open end of the housing. The end plate is affixed to a lid w... | 02/13/2007 |
| 7175030 | High capacity depth filter bag A filter element for hydrocarbon emissions in, e.g., marine diesel engine applications, comprises a wound mat received within a filter bag. An annular end cap is bonded to one end of the wound mat, and is sealed around its periphery to a bag ring at the open end of ... | 02/13/2007 |
| 7166215 | Pressure vessel and recyclable filter cartridge A filter assembly is described that includes a substantially recyclable filter cartridge inside a pressure vessel. The invented filter cartridge comprises substantially non-pressure bearing walls, except for a pressure-bearing neck or cap with neck that is adapted t... | 01/23/2007 |
| 7163625 | Filtration device The present invention provides a filtration device. The invention employs filter media wrapped into spirals about an apertured core. Fluid may flow radially inward or radially outward during filtration. Embodiments using multiple filter media and embodiments achievi... | 01/16/2007 |
| 7160446 | Portable spa filter housing with flow splitter A filter housing for a portable spa utilizes a coaxial channel structure at the flow output of the filter housing to separate the water flow from the filter housing. In one embodiment, the water from the filter housing, exiting at the bottom of the housing, is piped... | 01/09/2007 |
| 7160451 | Liquid filter assembly for use with treatment agent and methods A liquid filter arrangement including an internally received treatment agent storage and release cartridge is provided. The assembly is configured for diffusion of the treatment agent from the treatment agent storage and release cartridge, into liquid flowing throug... | 01/09/2007 |
| 7153425 | Process and filter for filtering a slurry The present invention comprises a process for filtering a slurry and a filter cartridge construction for filtering a slurry having a filtration medium formed of a depth filter such as a cylindrical seamless fibrous depth filter comprising a nonwoven fibrous mass, wo... | 12/26/2006 |
| 7150828 | Fluid filter having drain structure and drain tool A drain structure for a fluid filter includes a cap internally forming a drain hole. The cap receives a valve member urged by an urging means in a direction, in which the valve member blocks the drain hole. Normally, the drain hole is blocked with a drain member. Wh... | 12/19/2006 |
| 7141166 | Drain structure having drainpipe and fluid filter using the same An oil filter has a drain hole, which is internally blocked with a valve member. When oil remaining in the oil filter is drained, a drainpipe is inserted into the drain hole, so that the valve member is displaced and remaining oil is drained from the drain hole. Thi... | 11/28/2006 |
| 7138054 | Cartridge filter system A fluid filter system including a cartridge filter housed in a tank having a standpipe extending from a bottom surface of the tank. The cartridge filter is positioned in the tank with the standpipe extending into an outlet tube in the filter. Fluids flow into the ta... | 11/21/2006 |
