| Patent Number |
Title Of Patent |
Date Issued |
| D428128 |
Conical filter |
July 11, 2000 |
|
| D425189 |
Combined filter element and frame therefor |
May 16, 2000 |
|
| D417268 |
Oval filter |
November 30, 1999 |
|
| D399944 |
Conical filter |
October 20, 1998 |
|
| D398046 |
Combined filter element and frame therefor |
September 8, 1998 |
|
| D396098 |
Conical filter |
July 14, 1998 |
|
| 7329326 |
Method of making a fluted filter media for air filter |
February 12, 2008 |
| Fluted filter media includes filter material having a plurality of flutes formed therein having alternating ends of adjacent flutes closed to force fluid through filter material. A first embodiment of the filter media includes tapered flutes which have the open ends of the flutes larger |
| 7270692 |
Air filtration arrangements having fluted media constructions and methods |
September 18, 2007 |
| Filter arrangements include a barrier media in the form of fluted media treated with a deposit of fine fibers. The media is particularly advantageous in high temperature (greater than 140 to 240.degree. F.) systems. Such systems may include engine systems, gas turbine systems, and fu |
| 7090712 |
Air filtration arrangements having fluted media construction and methods |
August 15, 2006 |
| Filter arrangements include a barrier media in the form of fluted media treated with a deposit of fine fibers. The media is particularly advantageous in high temperature (greater than 140 to 240.degree. F.) systems. Such systems may include engine systems, gas turbine systems, and fu |
| 7090711 |
Multistage air cleaner including pulse cleaning system |
August 15, 2006 |
| A V-pack filter includes a frame construction having a first frame structure and a second frame structure. The V-pack filter also includes first and second panel sections mounted in extension between the first and second frame structures. The first panel section has first and second |
| 6974490 |
Air filtration arrangements having fluted media constructions and methods |
December 13, 2005 |
| Filter arrangements include a barrier media in the form of fluted media treated with a deposit of fine fibers. The media is particularly advantageous in high temperature (greater than 140 to 240.degree. F.) systems. Such systems may include engine systems, gas turbine systems, and fu |
| 6908494 |
Multistage air cleaner including pulse cleaning system |
June 21, 2005 |
| A V-pack filter includes a frame construction having a first frame structure and a second frame structure. The V-pack filter also includes first and second panel sections mounted in extension between the first and second frame structures. The first panel section has first and second |
| 6875256 |
Methods for filtering air for a gas turbine system |
April 5, 2005 |
| Methods for cleaning air intake for a gas turbine system include utilizing filter arrangements that include a barrier media, usually pleated, treated with a deposit of fine fibers. The media is particularly advantageous in high operating temperature (140 to 350.degree. F.) and/or high hu |
| 6872237 |
Multistage air cleaner including pulse cleaning system |
March 29, 2005 |
| A V-pack filter includes a frame construction having a first frame structure and a second frame structure. The V-pack filter also includes first and second panel sections mounted in extension between the first and second frame structures. The first panel section has first and second |
| 6676721 |
Multistage air cleaner including pulse cleaning system |
January 13, 2004 |
| A V-pack filter includes a frame construction having a first frame structure and a second frame structure. The V-pack filter also includes first and second panel sections mounted in extension between the first and second frame structures. The first panel section has first and second |
| 6673136 |
Air filtration arrangements having fluted media constructions and methods |
January 6, 2004 |
| Filter arrangements include a barrier media in the form of fluted media treated with a deposit of fine fibers. The media is particularly advantageous in high temperature (greater than 140 to 240.degree. F.) systems. Such systems may include engine systems, gas turbine systems, and fu |
| 6213146 |
Valve assembly for preventing liquid ingestion and methods |
April 10, 2001 |
| A valve assembly includes a housing and a float. The housing is constructed and arranged to inhibit movement of the float between a resting position to a position where it is situated in its valve seat, unless a selected liquid volume within the valve housing is attained. In one embodime |
| 6209559 |
Valve assembly for preventing liquid ingestion and methods |
April 3, 2001 |
| A valve assembly includes a housing and a float. The housing is constructed and arranged to inhibit movement of the float between a resting position to a position where it is situated in its valve seat, unless a selected liquid volume within the valve housing is attained. In one embodime |
| 6048386 |
Integrated resonator and filter apparatus |
April 11, 2000 |
| An integral filter and resonator apparatus includes filter elements positioned upstream of a Helmholtz resonator. The first embodiment includes filter elements positioned side by side within the housing. Other embodiments include a filter element with a tube which curves slightly dow |
| 6009898 |
Valve assembly for preventing liquid ingestion and methods |
January 4, 2000 |
| A valve assembly includes a housing and a float. The housing is constructed and arranged to inhibit movement of the float between a resting position to a position where it is situated in its valve seat, unless a selected liquid volume within the valve housing is attained. In one embodime |
| 5902364 |
Conical filter |
May 11, 1999 |
| A conical filter device inserts into a duct having flow passing from upstream to downstream. The filter device includes fluted filter media having flutes formed therein and a housing. The filter forms a seal between the outer edge of the filter at the downstream side and the housing. |
| 5895574 |
Rolled liquid filter using fluted media |
April 20, 1999 |
| A filter apparatus includes a fluted filter element in a filter housing having a first open end and a second closed end. The filter element includes fluted filter media coiled into a cylindrical shape and may include an end cap for support and fluid control. Fluid flows into the open |
| 5820646 |
Inline filter apparatus |
October 13, 1998 |
| A filter device inserts into a duct having flow passing from upstream to downstream. The filter device includes fluted filter media having flutes formed therein. The filter forms a seal between the outer edge of the filter and the downstream side of the duct. The filter media may be roll |
| 5792247 |
Integrated resonator and filter apparatus |
August 11, 1998 |
| In integral filter and resonator apparatus includes filter elements positioned upstream of a Helmholtz resonator. The first embodiment includes filter elements positioned side by side within the housing. Other embodiments include a filter element with a tube which curves slightly dow |
| 5772883 |
Slanted inline filter |
June 30, 1998 |
| A filter device inserts into a duct having flow passing from upstream to downstream. The filter device includes fluted filter media having flutes formed therein inserting into a housing. The filter media is stacked and placed at an angle to the prevailing flow direction. |
| 5683479 |
Air cleaner having scavenger arrangement |
November 4, 1997 |
| An air cleaner construction including a precleaner arrangement, a filter assembly and a scavenger arrangement is provided. In the precleaner arrangement, air directed into the air cleaner assembly is subjected to some particulate removal. The air from the precleaner arrangement is then |
| 5575826 |
Air cleaner |
November 19, 1996 |
| An air cleaner construction including a precleaner arrangement, a filter assembly and a scavenger arrangement is provided. In the precleaner arrangement, air directed into the air cleaner assembly is subjected to some particulate removal. The air from the precleaner arrangement is then |
| 5401285 |
Air cleaner having scavenger arrangement for precleaner and filter thereof |
March 28, 1995 |
| An air cleaner construction including a precleaner arrangement, a filter assembly and a scavenger arrangement is provided. In the precleaner arrangement, air directed into the air cleaner assembly is subjected to some particulate removal. The air from the precleaner arrangement is then |
| 5357755 |
Trap apparatus with bypass |
October 25, 1994 |
| Trap muffler apparatus with bypass around a trap core is disclosed. A preferred bypass arrangement utilizing a tubular shutter valve system is described. Forward or reverse regeneration are possible. Bypass to atmosphere without filtration is avoided with dual in-line traps or with t |
| 5293742 |
Trap apparatus with tubular filter element |
March 15, 1994 |
| A muffler-filter apparatus having a particulate trap using filter tubes with high temperature filter materials, like fiber in the form of yarn, woven yarn mat, or a non-woven, random array fiber mat, or various foams. Filter tubes have various structural configurations and are regenerate |
| 5246205 |
Valve assembly and use |
September 21, 1993 |
| A poppet valve assembly is provided. The preferred poppet valve assembly comprises a valve seat, valve head member and actuation arrangement. In the preferred embodiment, the valve head member comprises a flexible seal member and backing member, oriented such that the flexible seal membe |
| 5212948 |
Trap apparatus with bypass |
May 25, 1993 |
| Trap muffler apparatus with bypass to a common reactive acoustic element is disclosed. Bypass structure varies from external bypass to a common acoustic element to annular bypass of the ceramic filter to axial bypass through the middle of an annular ceramic filter. Forward or reverse |
| 5116083 |
Clamp for coupling and sealing pipe joints |
May 26, 1992 |
| A clamp suitable for joining a pair of tubular members such as truck exhaust pipes including a metal band having a reinforcing bar at each end wrapped more than one turn, each wrapped reinforced end forming at least one hold for receiving, threading, and securing a set of bolts and nuts. |
| 4969994 |
Seal arrangement for fluid filters and method |
November 13, 1990 |
| A filter arrangement is provided which includes preferred fluid sealing between a top plate thereof and a housing. Generally, the filter arrangement includes a housing, a top plate and an internal filter. The top plate encloses an end of the housing, retaining the filter therein and |
| 4834885 |
Seal arrangement for fluid filters |
May 30, 1989 |
| A filter arrangement is provided which includes preferred fluid sealing between a top plate thereof and a housing. Generally, the filter arrangement includes a housing, a top plate and an internal filter. The top plate encloses an end of the housing, retaining the filter therein and |
| 4819549 |
End seal for clean room ceiling supports |
April 11, 1989 |
| A clean room ceiling grid system having a detent means for loading filter panels into ceiling grids from a clean room. The system is operable to permit removal of the filter panels by use of a filter panel removing tool. More particularly, this clean room ceiling grid system requires no |
| 4622996 |
Aspirator for pulse-jet air cleaner |
November 18, 1986 |
| An improved pulse-jet air cleaner (10) includes an aspirator (32) with a tube (34) extending between a point in the tank (12) where moisture tends to collect, and a point in predetermined spaced relationship adjacent the tank outlet (20) where the airflow is of high velocity and low pres |
| 4622995 |
Integral valve and tank assembly for pulse-jet air cleaners |
November 18, 1986 |
| An integral valve and tank assembly (12) for a pulse-jet air cleaner includes a discharge pipe (22) connected to and extending directly into a tank (14). The inlet end (28) of the discharge pipe (22) terminates adjacent to a relatively larger opening (30) in the tank wall (14b), over |
| 4588423 |
Electrostatic separator |
May 13, 1986 |
| An apparatus (10) for cleaning a flow of particulate-laden gas is disclosed. The apparatus (10) has a housing (11) having a gas inlet (15) and a gas outlet (16) to permit a flow of gas through the housing (11). Suspended inside the housing (11) is an electrode element (20) having a c |
| 4504293 |
Self-cleaning air filter |
March 12, 1985 |
| An improved self-cleaning air filter (2) of the pulse jet type. The filter includes at least one filter element (20) located in a dirty air plenum (6) which is separated from a clean air plenum (8). A valve (64) directs a cleaning jet of gas that moves in a back flow direction along the |
| 4500332 |
Throughput blade for louvered separators |
February 19, 1985 |
| This application discloses an improved throughput blade design for louvered separators having a plurality of louvers (134). Each louver has a tab (144) extending perpendicularly from a central axis or plane (140). The optimum tap spacing S can be calculated with the knowledge of the blad |
| 4452616 |
Self-cleaning air cleaner |
June 5, 1984 |
| An improved selfcleaning air filter (2) of the pulse jet type. The filter includes at least one filter element (20) located in a dirty air plenum (6) which is separated from a clean air plenum (8) by a partition (10). A nozzle (70) directs a cleaning jet of gas that moves in a back flow |
| 4351567 |
Cowl-like scrubber for a long-wall shearer |
September 28, 1982 |
| A cowl-like scrubber (20) for removing dust generated by a longwall shearer has a housing (21) adapted to be mounted on the shearer near a cutter drum. An air inlet (23) is provided in the housing to allow the dust-laden air to enter the scrubber (20). Downstream from the inlet area is a |
