Matches 301 - 350 out of 410 < 1 2 3 4 5 6 7 8 9 >


Match Document Document Title
3402818 Osmosis filtering method and device  
3400821 Filter check valve  
3398905 Apparatus for making filter tubes  
3399092 Process of making impregnated filter tubes  
3397793 Pleated filter  
3394815 Tubular filter elements  
3392843 Pleated filter cartridge and its method of manufacture  
3385038 Filters  
3379312 Fluid strainers  
3376979 Pleated filter  
3375931 Disposable fluid filter element  
3370712 Filter of partially compressed stacked discs  
3368687 Series parallel sheet media filter element  
3367508 Liquid filter units  
3362541 Filter  
3357564 Filtering apparatus and method of making it  
3356226 Integrally wound filter tube  
3353680 Dual element parallel flow filter assembly  
3334753 Filter elements  
3334752 Dual media filter element  
3327864 Filter cartridge unit and porous filter element for use in connection therewith  
3319790 Filters employing a fibrous paper roll  
3319795 Fluid filter with stacked filtering elements  
3319796 Filter element  
3315808 Filter pressure relief valve  
3314546 Cartridge filter  
3314481 Downhole water filter  
3310177 Filter with pleat spacing means  
3300050 Filter unit  
3295689 Apparatus for purifying liquids  
3291310 Filter and porous support core  
3283904 Filter element having dual porosities  
3279614 Filter and center tube  
3279615 Liquid filter elements  
3265213 Filter assembly having the enclosure embedded in the bottom member  
3263812 Dry cleaning apparatus  
3262565 Dual-valve, dual-element, constant flow, filter assembly  
3256989 Screw neck filter cartridge  
3256996 High pressure filter  
3255889 Wound filter  
3253714 Pressure filter  
3246766 Filter element  
3241680 Filter  
3237775 Beaded filter tube filter assembly  
3231092 Filter and method of making the same  
3229818 Fluid filters  
3228529 Filter cartridge  
3225932 Filter cartridge  
3224591 Oil filter gasket support  
3221819 Well screen  

Matches 301 - 350 out of 410 < 1 2 3 4 5 6 7 8 9 >