Matches 451 - 496 out of 496 < 1 2 3 4 5 6 7 8 9 10


Match Document Document Title
3607741 OIL SLICK REMOVAL SYSTEM  
Physical means for removing oil slicks from water and other surfaces utilizing chemically treated cellulosic bulk material contained in encasements of netting. The chemically treated material is...
3591010 FILTER HAVING A MICROPOROUS LAYER ATTACHED THERETO  
A corrugated filter element having a microporous layer deposited on a substrate sheet provided with portions of reduced porosity at the areas of the base folds of the corrugations.
3573158 MICROPOROUS FIBROUS SHEETS USEFUL FOR FILTERS AND APPARATUS AND METHOD OF FORMING THE SAME  
3563890 PROCESS AND MATERIAL FOR EXTRACTING DISSOLVED RADIOACTIVE IONS FROM LIQUIDS  
3535191 SEWN FABRIC AND METHOD OF MANUFACTURE  
3533908 POROUS PAPERBOARD SHEET HAVING PLASTIC MICROSPHERES THEREIN  
3506133 SEWN FABRIC FILTER MEDIUM AND METHOD OF MANUFACTURE  
3452877 FILTER MEDIA  
3375931 Disposable fluid filter element  
3371468 Barrier separator  
3367505 Semipermeable membrane backing and support medium  
3353682 Fluid-permeable fibrous multilayer materials and process of making the same  
3348681 Filtration of perchlorethylene and filter fabric  
3344929 Fluid filters  
3310412 High-melting glass fibers and method  
3307706 Milk filters  
3274103 Filtration  
3261473 Glass fiber cartridge filters for drycleaning solvent filtration  
3252270 Apparatus and method for removal of oil entrained in air  
3251475 Fibrous filter body  
3250398 Beverage filters  
3249491 Process for molding a glass fiber aerosol filter  
3246767 Fluid-permeable materials and process of making the same  
3238056 Microporous materials and process of making the same  
3238124 Method and apparatus for treating waste liquids  
3237776 Filter media  
3219194 Filter mass of furred nodules  
3217076 Hf or hf-bf3 composition treatment of fibers and films of polystyrene and polyvinyl alcohol or polyvinyl alcohol esters and ethers  
3198333 Filter for domestic appliance  
3192154 Separation of colloidal solids from liquids  
3187895 Fuel-water separator  
3158532 Tapered pore filter elements  
3156647 Filter for a dry cleaning apparatus  
3155117 Double-walled hollow body for the reception of a hot gaseous medium under pressure  
3145170 Oil filter cartridges  
3083157 Filter construction  
3073735 Method for producing filters  
3069017 Depth type fibrous filter elements  
3034981 Filter papers  
3018845 Filters  
3003643 Filter media  
2955067 Cellulosic paper containing ion exchange resin and process of making the same  
2935499 Removal of residual catalyst from polyolefins  
2858026 Filter and filter cartridge  
2826309 Edge type filter elements and methods of making the same  
2826265 Filter element  

Matches 451 - 496 out of 496 < 1 2 3 4 5 6 7 8 9 10