Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 7435341 | Pressure relief valve for filter assembly An oil filter assembly includes a pressure relief valve adaptable to wide variety of environments while maintaining ease of assembly and manufacture. The pressure relief valve of this invention also occupies a minimal amount of space within the filter assembly as co... | 10/14/2008 |
| 7413089 | Reusable cartridge oil filter A replacement filter for conventional throw-away spin-on oil filter cartridge on an internal combustion engine. The replacement filter uses a porous metallic filter element, preferably a woven stainless steel, pleated filter element, within a housing physically simu... | 08/19/2008 |
| 7360658 | Extension and locking assembly for dripless element and container therefore A filter assembly includes housing enclosing a replaceable filter element. A support core is provided in the housing, and includes an extension and locking assembly. The element includes a ring of filtration media with a pair of end caps. The first end cap includes ... | 04/22/2008 |
| 7329296 | Filter bag and a filter device provided with such filter bag A filter bag (1) for a filter device includes a tubular, flexible, air-penetrable filter body (6) provided with a suspension arrangement at an unfolded end thereof. The suspension arrangement includes a rigid ring element (7) with outwardly prot... | 02/12/2008 |
| 7303605 | Snap together filter A fluid filter is provided with a snap-together housing for the filter media. The housing is designed with two main parts that are easily snapped together to encapsulate the filter media. The filter housing is substantially cylindrical, and contains an inlet on one ... | 12/04/2007 |
| 7282142 | Fluid strainer assembly A fluid strainer device is disclosed. The device includes a housing which defines an open chamber, the chamber having both at least one fluid input port and at least one fluid outlet port. A plurality of spaced strainer baskets are disposed within the chamber. Each ... | 10/16/2007 |
| 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 |
| 7204370 | Extension and locking assembly for dripless element and container therefore A filter assembly includes housing enclosing a replaceable filter element. A support core is provided in the housing, and includes an extension and locking assembly. The element includes a ring of filtration media with a pair of end caps. The first end cap includes ... | 04/17/2007 |
| 7195122 | Filters A filter comprising a filter cartridge and a housing having at least one fitting and defining a chamber, the filter cartridge being disposed in the chamber, wherein the housing includes a fluid conduit which extends axially from the fitting along the periphery of th... | 03/27/2007 |
| 7192131 | Filter element carrier, filter, ink pen In one embodiment, a filter element carrier comprises a first wedge shaped cavity, a second wedge shaped cavity isolated from and overlapping the first cavity, an outlet from a deep part of the first cavity, and an inlet to a deep part of the second cavity. In one e... | 03/20/2007 |
| 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 |
| 7143524 | Desiccant cartridge having desiccant cap This invention relates to a desiccant cartridge (10) adapted for use in a canister (14) of an integrated receiver/dryer or accumulator assembly of an automotive air conditioning system wherein the canister (14) has an offset inlet port (16 | 12/05/2006 |
| 7137532 | Strainer and level indicator for a hot melt adhesive system A strainer for a hot melt adhesive system is fixed to the side wall(s) of a tank without fasteners to strain the adhesive flow and protect a pump of the system. The strainer may also be configured to act as a shield for a level indicator located within the tank.... | 11/21/2006 |
| 7097681 | Structure of filtering bag combination An improved filtering bag combination having an increased area of filtering and a longer life of use. The improved structure includes a filtering member with multiple folds to cover a support formed of a plurality of rods. The rods of the support have a plurality of... | 08/29/2006 |
| 7086537 | Extension and locking assembly for dripless element, and container therefore A filter assembly includes housing enclosing a replaceable filter element. A support core is provided in the housing, and includes an extension and locking assembly. The element includes a ring of filtration media with a pair of end caps. The first end cap includes ... | 08/08/2006 |
| 7060183 | Unit for filtering a fluid A filtering unit, which may be used to filter blood or blood components to remove leukocytes. The filtering unit includes a rigid outer casing connected to a filter medium by an impermeable association means to define two compartments. The association means may be f... | 06/13/2006 |
| 7060184 | Quick-drain valve member for use with filter apparatus A filter apparatus comprises a filter element to be positioned in an interior region defined by a housing. The filter element comprises a quick-drain valve member to block a flow of fluid from the interior region through a quick-drain outlet defined by the housing w... | 06/13/2006 |
| 7011754 | Filtering device having filter bag seal A filtering device includes a container, a cover attached on top of the container having a space communicating with an inlet opening and a chamber of the container, and a filter screen received in the container for filtering the fluid from the inlet opening to the c... | 03/14/2006 |
| 6986426 | Extension and locking assembly for dripless element, and container therefore A filter assembly includes housing enclosing a replaceable filter element. A support core is provided in the housing, and includes an extension and locking assembly. The element includes a ring of filtration media with a pair of end caps. The first end cap includes ... | 01/17/2006 |
| 6983851 | Extension and locking assembly for dripless element, and container therefore A filter assembly includes housing enclosing a replaceable filter element. A support core is provided in the housing, and includes an extension and locking assembly. The element includes a ring of filtration media with a pair of end caps. The first end cap includes ... | 01/10/2006 |
| 6966444 | Filter with snap-fit filter bag A filter element includes a bag ring which is snap fitted into the filter vessel sidewall and retains both the filter element and a filter basket in the desired location in the vessel until removed. ... | 11/22/2005 |
| 6959819 | Fatigue rated glass filled plastic filter assembly incorporating a coreless plastic filter element with integral seal A filter assembly for filtering fluids which may be readily disassembled includes a perforated center tube assembly which is fluid-tightly connected at one end to an injection molded plastic head and is closed at its other end; an injection molded plastic bowl havin... | 11/01/2005 |
| 6953124 | Filter element with end face inlets and discharge outlets A filter element for end face inlet formed of triangular channels which are alternately closed such that the fluid to be filtered must pass through the filter material in order to flow from the inlet side (22) to the discharge side (23). The channels a... | 10/11/2005 |
| 6949188 | Filter assembly having improved sealing features A filter assembly including a filter housing defining an interior chamber with an open end, a filter disposed within the interior chamber, and a cover removably positioned over the open end to enclose the interior chamber. The filter housing defines an axially-facin... | 09/27/2005 |
| 6929743 | Device and assembly for cross-flow filtration The invention relates to a device and an assembly for cross-flow filtration comprising filter cassettes. Said filter cassettes are cost-effective to produce as they have few connections and simple clamping plates and are characterized by a long service life and by b... | 08/16/2005 |
| 6926828 | Fluid filter A fluid filter is provided with a case body defining therein a holder and having pressing portions formed on the internal wall surface of the case body. The pressing portions can compress a filter medium housed in the holder. The pressing portions are pressed agains... | 08/09/2005 |
| 6901945 | System for feeding solid materials to a pressurized pipeline A system of equipment allowing addition of solid materials to a pressurized pipeline wherein said solid material is conveyed in such a way as to be readily dissolved by the liquid in said pipeline. The system includes a solid material transfer device that is used to... | 06/07/2005 |
| 6896803 | Filter apparatus and associated method A filter apparatus comprises a ring secured to a filter cover so as to engage a center tube extending within a filter element to retain the center tube and the filter element. A method of assembling a filter apparatus is also disclosed. ... | 05/24/2005 |
| 6852222 | Multiple well plate with adhesive bonded filter The present invention provides for a multiple well filter plate and method of producing same, the multiple well filter plate comprising a molded plate and a filter sealed via an adhesive, the method particularly adapted for producing multiple well filter plate havin... | 02/08/2005 |
| 6837993 | Extension and locking assembly for dripless element, and container therefore A filter assembly includes housing enclosing a replaceable filter element. A support core is provided in the housing, and includes an extension and locking assembly. The element includes a ring of filtration media with a pair of end caps. The first end cap includes ... | 01/04/2005 |
| 6830683 | Filter cartridge assembly with brine seal and retaining ring A filter cartridge assembly intended for replaceable installation in a demountable cartridge housing includes in one embodiment, a retaining ring that is attached to the product water tube of the filter cartridge, is inserted with the cartridge into the housing, and... | 12/14/2004 |
| 6805795 | Latch-assisted lid extractor The present invention relates to the latch-assisted lid extractor. The present invention includes a canister and a lid connected to the canister via a latch assembly. The latch assembly includes an over-center lock to removably secure the lid to the canister. Additi... | 10/19/2004 |
| 6802425 | Biological fluid filtration method and apparatus A biological fluid filter is disclosed for use in a biological fluid processing system. The biological fluid filter comprises an inlet section, with said inlet section comprising a top wall and a downstanding peripheral side wall, an outlet section complimentary in ... | 10/12/2004 |
| 6746604 | Liquid filter A liquid filter is described, which comprises a housing, a cover to seal said housing, a filter element arranged in said housing, and a supporting body for the filter element connected to the cover. The housing has an inflow opening for the liquid to be filtered as ... | 06/08/2004 |
| 6716341 | Fluid filter assembly A fluid filter assembly includes a shroud containing a filter module. A fluid pump is coupled to the shroud and operated to draw transmission fluid from a fluid reservoir in a transaxle housing into the shroud and through the filter module in the shroud to produce a... | 04/06/2004 |
| 6716016 | Self-sealing compact spinneret for a melt spinning process The invention relates to a spinneret for spinning thermoplastics. Said spinneret comprises a central polymer inlet channel, a filter assembly (2), consisting of one or more filter plates of various filtration grades, a spinneret plate (3) and a housing... | 04/06/2004 |
| 6715615 | Pressure vessel A pressure vessel comprises a top wall, a bottom wall, a side wall extending between the top wall and the bottom wall, and a chamber formed by said walls, an inlet port extending through one of the walls for introducing fluid to the pressure vessel, an outlet port e... | 04/06/2004 |
| 6576129 | Recyclable filter cartridge and pressure vessel A filter assembly (20) is described that includes a sub-stantially recyclable filter cartridge (30) inside a pressure vessel (22). The invented filter cartridge comprises substantially non-pressure bearing walls, except for a pressure-bearing neck (44) th... | 06/10/2003 |
| 6568539 | Renewable filter with a bypass valve A twist-on renewable filter comprising a one-piece hollow housing, made of polymeric material having a threaded adapter for attachment to a distribution head assembly. The filter housing is fabricated from components that are made of a polymeric material ... | 05/27/2003 |
| 6558536 | Liquid filter with a cooler A liquid filter, especially including an oil filter cartridge (12) which is contained in a pot-shaped or cylindrical housing (10) with threaded cover (11), into which a cooler (13) is preferably installed. An outlet opening (37a) is contained in the oil c... | 05/06/2003 |