| Patents for C10M 175 - Working-up used lubricants to recover useful products (2,783) |
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| 04/21/1999 | CN1214720A Process and apparatus for treatment of waste oils |
| 04/08/1999 | WO1999016527A1 Fluid filtration, recirculation and delivery apparatus and method |
| 04/08/1999 | DE19743721A1 Spent grinding suspension, used for machining silicon, quartz or ceramic, is reprocessed |
| 03/23/1999 | US5885444 Process for converting waste motor oil to diesel fuel |
| 03/18/1999 | WO1999013033A1 Method of re-refining waste oil by distillation and extraction |
| 03/17/1999 | EP0804519A4 Oil reclamation device with evaporator base and head mounted filter |
| 03/11/1999 | WO1999011426A1 Cutting method and cutting fluid |
| 03/11/1999 | DE19739659A1 Processing used lubricating grease for recycling |
| 03/10/1999 | EP0900837A1 Methanol extraction of contaminating substances from thermally cracked waste oils |
| 02/16/1999 | US5871618 Thermal cracking unit with dephlegmator; condenser, heat exchanger, fuel stabilizer, and polishing unit; diesel fuels;treating hazardous waste lubricating oils; quality; |
| 02/03/1999 | EP0894847A1 Process for reclaiming used oil coolants |
| 01/21/1999 | DE19730876A1 Pyrolysis unit |
| 01/12/1999 | US5858070 Includes a centrifugal fluid-spinning disk arranged in a housing, of which an upper portion forms a vapor chamber and a lower portion forms a fluid collecting basin; vacuum pump connected to housing through oil mist separator |
| 01/12/1999 | CA2149428C Improved liquid decontamination apparatus and method |
| 01/07/1999 | EP0889115A2 An engine oil deterioration preventing agent and device |
| 01/05/1999 | US5855768 Solvent extraction |
| 01/05/1999 | CA2116084C Process for refining used oils and conversion of acid-sludge produced therein to asphalt |
| 12/30/1998 | EP0887402A1 Process for the separation of impurities from cooling lubricants |
| 12/30/1998 | CN2302254Y Vacuum electrostatic oil purifying machine |
| 12/29/1998 | US5853593 Filtration method for metal working waste water |
| 12/24/1998 | DE19725681A1 Water-emulsified hydraulic oil purification unit operating in subterranean workings |
| 12/23/1998 | WO1998058043A1 Method for reprocessing used oil |
| 12/23/1998 | CN1202515A Process for regenerating thermal conductive oil biphenyl-biphenyl ether mixture |
| 12/22/1998 | US5851386 Waste-oil cleaning apparatus |
| 12/16/1998 | EP0884082A1 Device for purifying a hydraulic liquid |
| 12/10/1998 | DE19724172A1 Purification of engineering oils, removing submicron particles in transverse flow filtration |
| 12/02/1998 | CN1200396A Method for regeneration of waste heat conducting oil |
| 12/02/1998 | CN1040995C Process to refine used oil |
| 12/01/1998 | US5843384 Plant for purifying spent oil |
| 11/25/1998 | EP0879273A1 Process and apparatus for the treatment of waste oils |
| 11/18/1998 | EP0690903B1 Process and plant for the regeneration of lubricating oils |
| 11/11/1998 | CN1040655C Regeneration method for heat-conducting oil |
| 11/05/1998 | DE19718217A1 Purification of work medium especially from cooling lubricant systems, emulsions or solutions |
| 11/05/1998 | DE19718215A1 Purification of work medium, especially from cooling lubricant systems, emulsions or solutions |
| 10/28/1998 | CN1197109A Copper wiredrawing lubricating oil reactivation agent |
| 10/22/1998 | WO1998046337A1 Method and installation for tangential filtration of a viscous liquid |
| 10/13/1998 | US5820748 Safe removal of gasses, water and solvents from used lubricating oils with vacuum apparatus under mild temperature conditions |
| 10/07/1998 | EP0828555A4 Separation of hydrocarbons and water from mixtures thereof |
| 10/07/1998 | CN1040125C Reclamation method of used lubricating oil |
| 09/30/1998 | EP0588851B1 Apparatus and method for reclaiming useful oil products from waste oil |
| 09/17/1998 | WO1998040148A1 Method of cleaning liquid cooling lubricants |
| 09/16/1998 | EP0864636A1 Process and apparatus for treating cooling lubricants for machine tools or similar |
| 09/03/1998 | DE19708384A1 Distillation plant for waste oil and oil mixed with other waste or scrap materials |
| 09/02/1998 | EP0762920A4 Bypass filtering |
| 09/02/1998 | EP0637261B1 Extraction of water from oil |
| 08/18/1998 | US5795463 Demetallization with hydration, crystallization, cooling, settling and complexing |
| 08/18/1998 | US5795462 Water pollution control |
| 08/18/1998 | US5795400 Method for recycling coolant for a cutting machine |
| 08/18/1998 | CA2097716C Membrane bioreactor system for treating synthetic metal-working fluids and oil-based products |
| 08/13/1998 | DE19716436C1 Reprocessing used cooling lubricants |
| 08/06/1998 | DE19725640C1 Used oil recovery method |
| 08/04/1998 | US5788827 Means and method for removing particulate matter from nonconductive liquids |
| 07/28/1998 | US5785860 Lowering asphaltene content |
| 07/21/1998 | US5783068 Process for dechlorination of a spent oil fraction |
| 07/07/1998 | US5776315 Oil reclamation device |
| 06/30/1998 | US5772900 Filter and filtration of fluids with abrasive grains, cutting chips and circulation of fluids for purification |
| 06/18/1998 | WO1998026031A1 High performance method and plant for regenerating lubricating waste oil |
| 06/18/1998 | DE19651867A1 Electrodialysis unit for cutting fluid formed by compact, concentric arrangement of tubes |
| 06/17/1998 | CN1185121A Separation hydrocarbons and water from mixtures thereof |
| 06/16/1998 | US5768301 Apparatus and method for detecting and correcting pair swap, and implementing a link integrity function in a packet-based data communications system |
| 06/02/1998 | US5759385 Dehydration, vacuum distillation, solvent extraction, hydrotreatment |
| 05/20/1998 | EP0745113A4 Removal of contaminants from oil |
| 05/14/1998 | DE19645945A1 Treatment processes and arrangements for metal-working oils |
| 05/13/1998 | CN1181354A Purifying and treating process and appts. in use for cooling agent and/or lubricant used in metallurgical industry |
| 04/23/1998 | WO1998016478A1 Method and device for treating aqueous fluid industrial sewage |
| 04/15/1998 | EP0835681A2 Process and apparatus for purifying and treating coolants and/or lubricants used in the metallurgical industry |
| 04/15/1998 | EP0835298A1 Alkaline treatment method for refining used oils |
| 04/09/1998 | CA2217763A1 Method and apparatus for purifying and treating cooling agents and/or lubricants used in the metallurgical industry |
| 04/01/1998 | EP0832962A2 Thermal apparatus and process for removing contaminants from oil |
| 04/01/1998 | CN1177624A Device for regenerating fuel oil from waste oil, and method thereof |
| 03/25/1998 | CN1176993A Method for preparing thermal conductive oil by using waste oil as raw material |
| 03/18/1998 | EP0828555A1 Separation of hydrocarbons and water from mixtures thereof |
| 03/12/1998 | WO1998010045A1 Method of refining waste oils (petroleum products) |
| 03/10/1998 | US5727006 Apparatus and method for detecting and correcting reverse polarity, in a packet-based data communications system |
| 03/10/1998 | US5725031 Method for introducing PTFE into a spin-on oil filter |
| 03/05/1998 | WO1998008923A1 Apparatus and process for reclaiming fuel oil from waste oil |
| 03/05/1998 | WO1997027272A3 Method for treating lubricating and fuel materials such as hydrocarbons, and device for realising the same |
| 03/05/1998 | CA2225635A1 Apparatus and process for reclaiming fuel oil from waste oil |
| 03/04/1998 | EP0826762A1 Apparatus and process for reclaiming fuel oil from waste oil |
| 02/17/1998 | US5718258 Releasing additives into engine oil |
| 02/12/1998 | WO1998005409A1 An oil filter to introduce anti-wear additives into engine lubricating system |
| 02/12/1998 | WO1998005406A1 Waste-oil cleaning method and apparatus |
| 02/12/1998 | CA2231115A1 Waste-oil cleaning method and apparatus |
| 02/05/1998 | CA2212550A1 Oil demetalizing process |
| 02/04/1998 | CN1171976A Multifunctional vacuum oil filter |
| 01/21/1998 | EP0670746B1 Oil filter and method of increasing service life of oil filter |
| 01/07/1998 | CN1169747A Oil reclamation device with evaporator base and head mounted filter |
| 01/02/1998 | DE19624411A1 Working-up used brake fluid |
| 12/17/1997 | EP0560980B1 Membrane bioreactor system for treating synthetic metal-working fluids and oil-based products |
| 12/11/1997 | WO1997046723A1 Process for producing a metallurgical raw material from oil containing heavy metals |
| 12/09/1997 | US5696066 Biodegradable vegetable oils and polyol ester based lubricants selected from trimethylolpropane trioleate or neopentyl dioleate and polymethacrylate homo or copolymer additives |
| 12/04/1997 | DE19622153A1 Verfahren zur Erzeugung eines metallurgischen Rohstoffs A process for producing a metallurgical raw material |
| 11/13/1997 | DE19619028A1 Hydraulic fluid cleansing arrangement, e.g. for use on aircraft hydraulic systems |
| 11/05/1997 | EP0805195A2 Used lubricating oil electric power generating process and facility |
| 11/05/1997 | EP0804519A1 Oil reclamation device with evaporator base and head mounted filter |
| 10/15/1997 | CN1162007A High-temp. refining tech. for carclazyte regenerated from waste oil and apparatus thereof |
| 10/14/1997 | US5676840 Waste-oil cleaning method and apparatus |
| 10/08/1997 | EP0765376A4 Method and apparatus for recycling waste lubrication oil for reuse as fuel oil |
| 10/01/1997 | CN1161055A Method and device for the filtration, degassing and dehydration of, and removal of ageing products from petroleum oils |
| 09/30/1997 | US5672277 Bag having closed bottom and open top, bag support, at least one layer of water sorbing material covering interior of bag |