DONALDSON COMPANY, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
B01D SEPARATION 5521
 
 
 
F01N GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES 4237
 
 
 
F02M SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF 1867
 
 
 
2304 VENTILATION AND AIR-CONDITIONING EQUIPMENT1224
 
 
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 1131
 
 
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM11137
 
 
 
G11B INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER 9127
 
 
 
2301 FLUID DISTRIBUTION EQUIPMENT941
 
 
 
F01M LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL-COMBUSTION ENGINES; CRANKCASE VENTILATING 827
 
 
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 7109

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0282,135 DOSING AND MIXING ARRANGEMENT FOR USE IN EXHAUST AFTERTREATMENTSep 12, 14Oct 05, 17[F01N, B01F]
2017/0266,603 FILTRATION MEDIA PACK, FILTER ELEMENTS, AND AIR FILTRATION MEDIAMar 31, 17Sep 21, 17[F02M, B01D]
2017/0252,682 LIQUID FILTER ARRANGEMENT AND METHODSFeb 21, 17Sep 07, 17[B01D]
2017/0225,105 FILTER MEDIUM AND BREATHER FILTER STRUCTUREFeb 16, 17Aug 10, 17[B01D]
2017/0216,757 FILTRATION MEDIA, PLEATED MEDIA PACK, FILTER CARTRIDGE, AND METHODS FOR MANUFACTURINGJul 31, 15Aug 03, 17[B01D]
2017/0210,835 STYRENE-CONTAINING COPOLYMER FIBERS, FILTER MEDIA, ELEMENTS, AND METHODSSep 30, 15Jul 27, 17[C08F]
2017/0203,246 FILTER ELEMENTS; AIR FILTER ARRANGEMENTS; AND, METHODSApr 03, 17Jul 20, 17[B01D]
2017/0197,163 STYRENE-ACRYLONITRILE FINE FIBERS, FILTER MEDIA, RECIRCULATION FILTERS, AND METHODSJan 06, 17Jul 13, 17[B01D]
2017/0191,399 INTEGRATED EXHAUST TREATMENT DEVICE HAVING COMPACT CONFIGURATIONMar 17, 17Jul 06, 17[F01N, B01D, B01F]
2017/0173,512 FILTER ELEMENTS WITH END CAP FEATURES; ELEMENT SUPPORT ASSEMBLY; AND METHODSApr 02, 15Jun 22, 17[B01D]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9808752 Method and apparatus for forming fluted filtration mediaFeb 03, 09Nov 07, 17[B01D]
9810126 Flow device for exhaust treatment systemSep 24, 13Nov 07, 17[F01N, B01F]
9795897 Systems, articles, and methods for removing water from hydrocarbon fluidsNov 08, 06Oct 24, 17[C10G, B01D]
9795906 Filter medium and breather filter structureDec 19, 13Oct 24, 17[B01D]
9795908 Filter systems with dirty air chamber spacer elements and methods of using the sameJun 29, 15Oct 24, 17[B01D]
9795911 Air filter arrangement; assembly; and, methodsDec 08, 14Oct 24, 17[F02M, B01D]
D800894 Ovate filter cartridge end capMar 13, 17Oct 24, 17[2304]
9789435 Materials, methods, and devices for siloxane contaminant removalMar 15, 13Oct 17, 17[B01J, B01D]
9782713 Air filter having fluted filter mediaSep 15, 15Oct 10, 17[B01D]
9776116 Liquid filter, assembly, system, and methodsNov 30, 15Oct 03, 17[B01D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0322,859 GAS TURBINE AIR INLET ARRANGEMENT AND METHODSABANMay 07, 15Nov 12, 15[F02C]
2015/0211,404 EXHAUST GAS FLOW DEVICEABANDec 01, 14Jul 30, 15[F01N]
2015/0040,765 FILTER FOR HUMIDITY CONTROL, TYPICALLY FOR CONTROL OF HUMIDITY IN A BULK LIQUID TANKABANMar 03, 13Feb 12, 15[B01D]
2014/0263,037 FILTRATION MEDIAABANMar 14, 13Sep 18, 14[B01D]
2014/0260,127 INTERCHANGEABLE INLET PROTECTION SYSTEMS FOR AIR INTAKES OF AIRCRAFT ENGINES AND RELATED METHODABANMar 15, 13Sep 18, 14[F02C, B64D]
2014/0251,143 FILTRATION SYSTEM FOR A GAS TURBINE AIR INTAKE AND METHODSABANMar 06, 14Sep 11, 14[F02M]
2014/0208,703 GAS/LIQUID SEPARATOR AND COMPONENTS; LIQUID DRAIN FLOW ASSEMBLIES; SYSTEMS OF USE ; AND, FEATURES; AND, COMPONENTSABANJul 27, 12Jul 31, 14[F01M]
2014/0144,111 FILTER CARTRIDGES; FEATURES AND METHODS OF ASSEMLBY; AIR CLEANER ASSEMBLIES; AND, FILTER CARTRIDGE COMBINATIONSABANMar 15, 13May 29, 14[B01D]
2014/0123,621 ACTUATED BYPASS HOOD FOR GAS TURBINE AIR INLET SYSTEM AND METHODSABANFeb 25, 13May 08, 14[B23P, F02C]
2014/0060,330 MICROPOROUS MEMBRANE AND FINE-FIBER LAMINATEABANMar 15, 13Mar 06, 14[H05K]
2013/0206,678 FLUID FILTER SYSTEMABANMar 27, 13Aug 15, 13[B01D]
2012/0292,240 COMBINATION FILTER ARRANGMENT AND METHODABANJul 30, 12Nov 22, 12[B01D]
8268053 Fluted filter mediaExpiredFeb 11, 08Sep 18, 12[B01D]
8231793 Combination filter arrangement and methodExpiredJan 22, 09Jul 31, 12[B01D]
2011/0315,922 CUSTOM WATER ADSORPTION MATERIALABANNov 04, 09Dec 29, 11[B01J]
2011/0185,709 Low Temperature Diesel Particulate Matter Reduction SystemABANJan 04, 11Aug 04, 11[F01N]
2011/0115,102 Process For Making Media For Use in Air/Oil SeparatorsABANJun 02, 05May 19, 11[F22D, B01D]
2011/0030,558 DUST COLLECTOR, FILTRATION ARRANGMENT, AND METHODSABANFeb 04, 09Feb 10, 11[B01D]
2011/0005,394 MEDIA FOR REMOVAL OF ORGANIC COMPOUNDSABANJul 13, 08Jan 13, 11[C01B, B01D]
2010/0233,048 COMBINATION FILTER ELEMENTABANFeb 08, 08Sep 16, 10[B01J, B01D]

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