Patent International Class: B01D 27/6

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Slow release coolant filter
Inventor: Hudgens, et al. | Patent Number: 5662799

Filter cartridge for a filter for filtering liquid or gaseous media
Inventor: Baumann | Patent Number: 5660729

Method and apparatus for making a filter module
Inventor: Spencer | Patent Number: 5653831

Reversible filter element
Inventor: Hardison, et al. | Patent Number: 5645718

Fuel filter and priming pump
Inventor: Clausen, et al. | Patent Number: 5643446

Compound layer resin bonded filter cartridge
Inventor: Fall, et al. | Patent Number: 5639370

Filter hose assembly employing a conical filter element
Inventor: Haggard | Patent Number: 5632793

Filter device for the filtration of fluids
Inventor: Van Rossen, et al. | Patent Number: 5630940

Filter element with expandable metal jacket
Inventor: Lauer, et al. | Patent Number: 5622624

Fuel filter element
Inventor: Stone | Patent Number: 5622623

Filter medium and process for making same
Inventor: Franz | Patent Number: 5609761

Filter media cartridge
Inventor: Villette, et al. | Patent Number: 5601717

Box filter apparatus
Inventor: Spearman | Patent Number: 5599448

Fluid filter
Inventor: Pruette, et al. | Patent Number: 5591338

Expanded metal filter support structure
Inventor: Rice | Patent Number: 5589067

Replaceable element fluid filter
Inventor: Belden | Patent Number: 5587071

Filter cap affixed to a filter sleeve
Inventor: Bowlsbey | Patent Number: 5580456

Intake filter for a paint sprayer
Inventor: Harrison, Jr. | Patent Number: 5567323

Heat-sterilizable spiral-wound membrane filter cartridge
Inventor: Schmidt, et al. | Patent Number: 5562827

Filter for filtering gaseous and liquid media
Inventor: Trabold | Patent Number: 5556543

Fluid filter assembly
Inventor: Berman, et al. | Patent Number: 5556542

Oil filtration method and element of wound cotton/paper composition
Inventor: Meddock, et al. | Patent Number: 5552065

Filter element having an ion exchange yarn winding layer
Inventor: Ragosta | Patent Number: 5552056

Method of increasing service life of oil and a filter for use therewith
Inventor: Baehler, et al. | Patent Number: 5552040

Fluid filter assembly for vehicles
Inventor: Bounnakhom, et al. | Patent Number: 5549821

Fuel Filter
Inventor: Stone | Patent Number: 5547572

Filter with over-laid pleats in intimate contact
Inventor: Stoyell, et al. | Patent Number: 5543047

Conductive filter laminate
Inventor: Hobson, et al. | Patent Number: 5527569

Aircraft pneumatic air filter
Inventor: Heysek | Patent Number: 5505753

Wave filter with flexible tensioning members
Inventor: Van de Graaf, et al. | Patent Number: 5501794

Spiral-wound filtration cartridge with longitudinal bypass feature
Inventor: Hammeken | Patent Number: 5490926

Depth filter media
Inventor: Cook, et al. | Patent Number: 5468382

Helical wound tube
Inventor: Goodwin | Patent Number: 5460721

Device for mounting a filter sleeve to a filter apparatus
Inventor: Bowlsbey | Patent Number: 5456834

Method of increasing service life of synthetic oil and an apparatus for use therewith
Inventor: Baehler, et al. | Patent Number: 5435912

Spacer elements between membrane surfaces of a fluid purifier, and a method for their manufacture
Inventor: Hagqvist | Patent Number: 5429744

Layered air filter medium having improved efficiency and pleatability
Inventor: Osendorf | Patent Number: 5427597

Membrane element for reverse osmosis
Inventor: Knappe | Patent Number: 5425877

Fluid filter
Inventor: Belden | Patent Number: 5423984

Filter cartridges for liquid, and to filters fitted with such cartridges
Inventor: Gewiss, et al. | Patent Number: 5413712

Filter apparatus
Inventor: Spencer | Patent Number: 5409606

High pressure filter with integral relief valve
Inventor: Gulsvig | Patent Number: 5395518

Disposable filter having a flexible casing
Inventor: Pummell | Patent Number: 5393422

Fluid separation devices and methods of making same
Inventor: Burgess | Patent Number: 5384044

Box filter
Inventor: Spearman | Patent Number: 5376270

Filter for fuels or lubricants of an internal combustion engine
Inventor: Habiger, et al. | Patent Number: 5374355

Method of increasing service life of oil and a filter in an integrated drive generator or constant speed drive and improved oil filter for use therein
Inventor: Baehler, et al. | Patent Number: 5374354

Fuel filter assembly with reversible element
Inventor: Hardison, et al. | Patent Number: 5362389

Internally potted end cap for a pleated filter medium
Inventor: Stark, et al. | Patent Number: 5350515

Filter media construction
Inventor: Williams | Patent Number: 5346519

Oil filter with inner and outer coaxial filter elements
Inventor: Brown, et al. | Patent Number: 5342511

Thimble-shaped liquid filter
Inventor: Martin, et al. | Patent Number: 5328612

Pleated filtering sleeve for rotational flow filter systems
Inventor: Harms, II | Patent Number: 5316677

Pre-filter oil inspection screen
Inventor: Hart | Patent Number: 5316665

Fuel filter
Inventor: Matsushita | Patent Number: 5306424

Fuel filter
Inventor: Matsushita | Patent Number: 5306424

Filtration device
Inventor: Watvedt, et al. | Patent Number: 5302354

Diesel particulate filter element and filter
Inventor: Peisert | Patent Number: 5298046

Block-shaped pleated filter insert
Inventor: Lippold | Patent Number: 5290447

Helical wrapped filter element
Inventor: Degen, et al. | Patent Number: 5290446

Depth filter media
Inventor: Cook, et al. | Patent Number: 5279731

Filter and filtration method
Inventor: Miller, et al. | Patent Number: 5275743

Pleated liquid filter having zones of different filtration
Inventor: Gris | Patent Number: 5275729

Filter element and method for producing the same
Inventor: Kadoya, et al. | Patent Number: 5273560

Filter cartridge or filter module consisting of flexible deep filter material
Inventor: Ruger, et al. | Patent Number: 5269921

Combination valve for liquid filter
Inventor: Anderly, et al. | Patent Number: 5256280

Compactable filter and compactable filter mounting means
Inventor: Spearman | Patent Number: 5250179

Ceramic filter construction and method
Inventor: Chung, et al. | Patent Number: 5250094

Fuel filter assembly with heater
Inventor: Church, et al. | Patent Number: 5244571

Air filter for workstations and methods of making and using such air filter
Inventor: Svensson, et al. | Patent Number: 5236480

Deep bed filter, method of manufacture of a filter layer and a filter module
Inventor: Meyer | Patent Number: 5232595

Spiral wrapped gas generator filter
Inventor: Smith, et al. | Patent Number: 5230726

Filter cartridge with end densification ring
Inventor: Feint | Patent Number: 5225077

Double-filtering filter for vehicle engine lubricants, with compressible fine filtering cartridge
Inventor: Ramponi, et al. | Patent Number: 5217606

Multi-layer filter cartridge
Inventor: Tanabe | Patent Number: 5215661

Replacement filter cartridge assembly
Inventor: Kott, et al. | Patent Number: 5211846

Permanent backwashable filter structure
Inventor: Benian | Patent Number: 5203998

Filters for heavy duty internal combustion engines
Inventor: Ponce | Patent Number: 5198107

Filtering system utilizing rotational flow and angled pleated filter media and method for making slanted pleated filter media
Inventor: Harms, II | Patent Number: 5174896

Filter cartridge with end densification ring
Inventor: Feint | Patent Number: 5130023

Filter with delta wedge pleat
Inventor: Gabrielson | Patent Number: 5128039

Filter cartridge or filter module consisting of flexible deep filter material
Inventor: Ruger, et al. | Patent Number: 5122270

Coffee filter tab
Inventor: McFarlin | Patent Number: 5120439

Liquid filter assembly
Inventor: Cote, et al. | Patent Number: 5112476

Filter design
Inventor: Branchcomb | Patent Number: 5104534

Tubular filter element
Inventor: Hoffmann | Patent Number: 5102545

Coolant filter with inhibitor pack
Inventor: Reynolds | Patent Number: 5094745

Coolant filter with inhibitor pack
Inventor: Reynolds | Patent Number: 5094745

Filter device
Inventor: Muramatsu, et al. | Patent Number: 5092990

Apparatus for multisized filter element cartridge insert for paper towel filters
Inventor: Sims | Patent Number: 5080791

Dual flow and dual stage lubricant filter assembly
Inventor: Cudaback, et al. | Patent Number: 5078877

Self-spaced pleated filter
Inventor: Rocklitz, et al. | Patent Number: 5066400

Locking structure of wire rod for filter element
Inventor: Arai | Patent Number: 5059320

Air cleaner element and method of manufacturing the same
Inventor: Kadoya | Patent Number: 5043000

Double filtering oil filter for internal combustion engines of motor vehicles
Inventor: Drusi | Patent Number: 5041221

Spiral wrapped fluid treatment element
Inventor: Harwood, et al. | Patent Number: 5039413

Filter cartridge
Inventor: Lippold | Patent Number: 5028331

Filter & process for manufacturing filters using material cured by ultraviolet radiation for end caps
Inventor: Caronia, et al. | Patent Number: 5028330

Small-sized fluid treatment element
Inventor: Arai | Patent Number: 5028008

Fluid filter medium including a tubular fabric member
Inventor: Smith | Patent Number: 5013438

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