| Patents for B01D 41 - Regeneration of the filtering material or filter elements outside the filter for liquid or gaseous fluids (1,149) |
|---|
| 07/21/1999 | CN1223597A Control systems for operating gas cleaning devices |
| 07/14/1999 | EP0928220A1 Cleanable filter media and filter elements |
| 07/07/1999 | CN2327434Y Apparatus for regenerating activated carbon |
| 06/29/1999 | US5916336 Method and apparatus for cleaning absorbent materials |
| 06/29/1999 | US5915439 Apparatus for cleaning cylindrical air filters |
| 06/22/1999 | US5913957 Slitting chamber apparatus for baghouse filters |
| 05/26/1999 | CN1217228A Technology for regenerating diatomaceous earth filter aid |
| 05/04/1999 | CA2112943C Apparatus for cleaning air filters |
| 04/22/1999 | WO1999019523A1 A fibrous system including wicking fibers impregnated with extractant for continuously capturing metals from an aqueous stream |
| 04/13/1999 | CA2098015C Filter cleaning apparatus |
| 04/08/1999 | WO1999016531A1 Regeneration of filter media |
| 04/07/1999 | EP0808212B1 Method of cleaning membrane filters |
| 03/10/1999 | EP0900117A1 Control systems for operating gas cleaning devices |
| 02/03/1999 | EP0894520A1 Process for the filtration of dusts from a glass-melting furnace |
| 01/26/1999 | CA2131864C Method for extracting waste fluid from a used vehicle filter |
| 12/15/1998 | US5849100 Method for cleaning oily objects |
| 12/10/1998 | DE19723585A1 Gas filtration using coated filter medium |
| 11/10/1998 | US5833766 Method and conditioning system for regenerating replacement filters |
| 10/15/1998 | DE19714790A1 Regeneration of cylindrical vehicle air filters by air blasting, washing and drying |
| 09/01/1998 | US5801133 Dicarboxylic acid, tricarboxylic acid, hydroxyethylidene-bis-phosphonic acid, fragrance, surfactant, water |
| 07/07/1998 | US5776354 Dimensional stability of particles of polymers in liquid phase |
| 06/24/1998 | CN1185754A Fibtrution adjuvants, filtration supports, filtration process using them and process for regenerating said adjuvants |
| 06/18/1998 | DE19652499A1 Drinks industry filter regeneration process discharges filter agent to washing tank |
| 06/17/1998 | EP0714319B1 Process and conditioning plant for regenerating exchangeable filters |
| 06/09/1998 | US5763276 Processes for the purification of human recombinant decorin and the detection of guandinium ions |
| 05/07/1998 | WO1998018540A1 Method and apparatus for rejuvenating contaminated filter elements |
| 04/21/1998 | US5741351 Apparatus and method for cleaning an air filter of a vehicle |
| 04/09/1998 | DE19743653A1 Sand cleaner assembly |
| 04/01/1998 | EP0831960A1 Filtration adjuvants, filtration supports, filtration process using them and process for regenerating said adjuvants |
| 03/11/1998 | EP0827533A2 Enzyme and microorganism degrading rhamnogalacturonane ii |
| 02/19/1998 | DE19632790A1 Cleaning process for filter cloth contaminated with metal swarf |
| 02/12/1998 | WO1998005402A1 Apparatus for liquid purification |
| 01/22/1998 | WO1998002229A1 Cleanable filter media and filter elements |
| 01/02/1998 | DE19626276A1 Cleaning apparatus for filter elements, especially filter cartridges |
| 11/26/1997 | EP0808212A1 Method of cleaning membrane filters |
| 11/06/1997 | DE19618022A1 Restoring the activity of adsorption filters made e.g. of carbon@ filter |
| 10/30/1997 | WO1997039816A1 Control systems for operating gas cleaning devices |
| 10/30/1997 | CA2252384A1 Control systems for operating gas cleaning devices |
| 09/10/1997 | EP0700314B1 Cleaning of filters |
| 08/26/1997 | US5659938 Translational press and mandrel apparatus for straightening baghouse cages |
| 08/06/1997 | EP0719173B1 Device for cleaning motor vehicle lamellar filters, in particular |
| 07/23/1997 | CN1035470C Cleaning of filters |
| 06/10/1997 | US5636422 Baghouse filter installation manifold |
| 05/14/1997 | EP0772631A1 Processes for the purification of human recombinant decorin and the detection of guanidinium ions |
| 04/23/1997 | EP0769478A1 Process for the removal of organic material from solid particles |
| 03/20/1997 | DE19534102A1 Regeneratable water filtration unit |
| 03/18/1997 | US5611377 Fuel filter drainer |
| 02/27/1997 | DE19632970A1 Cleaning unit for cylindrical cartridge- or mat filters |
| 01/23/1997 | WO1997002083A1 Fuel filter drainer |
| 01/23/1997 | WO1996037604A3 Enzyme and microorganism degrading rhamnogalacturonane ii |
| 12/17/1996 | US5584900 Apparatus for cleaning cylindrical air filters |
| 12/04/1996 | EP0745003A1 Ultrasonic unclogging of a filtering element |
| 11/28/1996 | WO1996037604A2 Enzyme and microorganism degrading rhamnogalacturonane ii |
| 11/28/1996 | CA2222193A1 Enzyme and microorganism degrading rhamnogalacturonane ii |
| 11/14/1996 | WO1996035497A1 Filtration adjuvants, filtration supports, filtration process using them and process for regenerating said adjuvants |
| 11/12/1996 | US5573671 Method of and apparatus for water purification |
| 10/22/1996 | US5567807 Using an anionic exchange resin |
| 08/29/1996 | DE19507930A1 Breaking down organic matter in slurry of brewery waste contg. kieselguhr |
| 08/08/1996 | WO1996023579A1 Method of cleaning membrane filters |
| 08/08/1996 | DE19503060A1 Reinigungsverfahren für Membranfilter Cleaning method for membrane filters |
| 07/25/1996 | DE19501715A1 Cleaning device for filter cartridges |
| 07/03/1996 | EP0719173A1 Device for cleaning motor vehicle lamellar filters, in particular |
| 07/02/1996 | US5531129 Apparatus for extracting wear particles from used oil filters |
| 06/12/1996 | CN1124463A Cleaning of filters |
| 06/11/1996 | US5524356 Apparatus for extracting oil from spent oil filters |
| 06/05/1996 | EP0714319A1 Process and conditioning plant for regenerating exchangeable filters |
| 06/05/1996 | DE4444521A1 Cement or other mineral building material binders |
| 05/30/1996 | DE4439806A1 Process to clean and dispose of used filter plugs |
| 04/09/1996 | US5505295 Recycling systems and methods for oil and oil filters |
| 03/27/1996 | EP0553076B1 A method of washing filters, and filters for liquid filtration |
| 03/13/1996 | EP0700314A1 Cleaning of filters |
| 03/06/1996 | CN1117887A Method for regenerating filtration aid |
| 02/13/1996 | US5490300 Air amplifier web cleaning system |
| 02/06/1996 | US5489042 Reusable waste handler for vehicular oil changes |
| 02/06/1996 | CA2025716C Apparatus for the treatment of filter sludge consisting predominantly of diatomite and method of operating same |
| 01/25/1996 | WO1996001842A1 Processes for the purification of human recombinant decorin and the detection of guanidinium ions |
| 01/25/1996 | CA2194566A1 Processes for the purification of human recombinant decorin and the detection of guanidinium ions |
| 01/16/1996 | US5484382 Method for extracting waste fluid from a used vehicle filter |
| 01/11/1996 | DE4425856A1 Recovering kieselguhr from brewery effluent sludge |
| 01/10/1996 | EP0563154B1 Filter cleaning apparatus |
| 12/06/1995 | EP0685249A1 Use of a porous, particulate material in a packed filter bed for liquid/gas and/or liquid/liquid separation |
| 10/11/1995 | CN1109846A Process and apparatus for the biological purification of water |
| 08/30/1995 | EP0669154A2 A rotating air nozzle for cleaning filter cartridges |
| 08/29/1995 | US5444892 Appliance for the wet cleaning of filter cartridges in fluidized-bed apparatuses, spray driers and moving bed installations |
| 08/17/1995 | WO1995021707A1 Ultrasonic unclogging of a filtering element |
| 06/20/1995 | US5425401 Container for used motor oil from oil filters |
| 06/14/1995 | EP0657389A1 Method and apparatus for the biological purification of water |
| 06/09/1995 | CA2139519A1 Process and apparatus for the biological purification of water |
| 06/06/1995 | US5421381 Reusable used oil filter and oil recycling container |
| 03/23/1995 | WO1995007746A1 Device for cleaning motor vehicle lamellar filters, in particular |
| 03/23/1995 | CA2171305A1 Device for cleaning motor vehicle lamellar filters, in particular |
| 03/21/1995 | US5398386 Process for rejuvenating baghouse filter cartridges |
| 03/09/1995 | CA2105716A1 Method of cleaning oil contaminated filter medium extracted from oil filters |
| 03/02/1995 | WO1995005883A1 Process and conditioning plant for regenerating exchangeable filters |
| 02/16/1995 | DE4327678A1 Process for treating kieselguhr which arises in clarifying filtration in the food and beverage industry, in particular in beer filtration in breweries and is thus exhausted, and use of this regenerated product |
| 01/27/1995 | CA2102872A1 Method of treating a clogged porous medium |
| 01/19/1995 | DE4341805C1 Process and apparatus for the biological purification of water |
| 01/04/1995 | CN1027230C Apparatus for treatment of filtration slurry mainly consisting of diatomaceaus earth, and process for operating same |
| 12/13/1994 | US5372653 Washing with hot solvent, then hot demineralized water, heating to carbonize, ultrasonic washing, drying |
| 12/08/1994 | WO1994027707A1 Cleaning of filters |