DONALDSON COMPANY, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 5681
 
  
 
F01N GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES 4236
 
  
 
F02M SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF 2063
 
  
 
2304 VENTILATION AND AIR-CONDITIONING EQUIPMENT1222
 
  
 
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, FORM11146
 
  
 
G11B INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER 10128
 
  
 
2301 FLUID DISTRIBUTION EQUIPMENT1040
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 8117
 
  
 
D04H MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL 823

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0015,402 FILTER ELEMENT AND SUPPORT STRUCTUREJul 14, 17Jan 18, 18[B01D]
2017/0333,818 FILTRATION MEDIA PACKS COMPRISING PLURALITY OF BOSSES BETWEEN FILTER MEDIA, FILTER ELEMENTS, AND METHODS FOR MANUFACTURINGNov 10, 15Nov 23, 17[B01D]
2017/0333,820 RECIRCULATION FILTER FOR AN ENCLOSUREOct 29, 15Nov 23, 17[G11B, B01D]
2017/0312,659 FILTER ARRANGEMENT HAVING BURST DISC ARRANGEMENTSep 30, 15Nov 02, 17[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]
2017/0216,758 AIR FILTRATION MEDIA PACK, FILTER ELEMENT, AIR FILTRATION MEDIA, AND METHODSDec 08, 16Aug 03, 17[B01D]
2017/0210,835 STYRENE-CONTAINING COPOLYMER FIBERS, FILTER MEDIA, ELEMENTS, AND METHODSSep 30, 15Jul 27, 17[C08F]
2017/0197,163 STYRENE-ACRYLONITRILE FINE FIBERS, FILTER MEDIA, RECIRCULATION FILTERS, AND METHODSJan 06, 17Jul 13, 17[B01D]
2017/0157,543 FINE FIBERS MADE FROM POLYMER CROSSLINKED WITH RESINOUS ALDEHYDE COMPOSITIONFeb 21, 17Jun 08, 17[D01D, D01F, B01D]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9919254 Filter arrangements; components; assemblies; and, methodsJul 27, 15Mar 20, 18[B29C, F02M, B29L, B01D]
9914084 Filter arrangements; components; assemblies; and methodsNov 18, 13Mar 13, 18[F02M, B01D]
9895632 Filter cartridges for liquid filtration; assembly; and, methodsNov 17, 14Feb 20, 18[B01D]
D810860 Filter elementMar 07, 17Feb 20, 18[2301]
9889398 Filter cartridges; features and methods of assembly; air cleaner assemblies; and, filter cartridge combinationsMay 21, 15Feb 13, 18[F02M, B01D]
9889399 Method of forming filter arrangements; and, apparatusOct 26, 15Feb 13, 18[F02M, B01D]
9885154 Fibrous mediaJan 27, 10Feb 06, 18[D21H, B01D, D04H]
RE46700 Z-filter media pack arrangement; and, methodsJan 11, 17Feb 06, 18[B29D, B01D]
9875733 Microporous membrane laminate for acoustic ventingOct 14, 14Jan 23, 18[G10K, H04R, B32B]
9855519 Pleated filtration media, media packs, filter elements, and methods for filtering fluidsMay 11, 15Jan 02, 18[B01D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0032,836 FILTRATION SYSTEM FOR A GAS TURBINE AIR INTAKE AND METHODSAbandonedMar 06, 14Feb 04, 16[F02C]
2015/0322,859 GAS TURBINE AIR INLET ARRANGEMENT AND METHODSAbandonedMay 07, 15Nov 12, 15[F02C]
2015/0211,404 EXHAUST GAS FLOW DEVICEAbandonedDec 01, 14Jul 30, 15[F01N]
2015/0040,765 FILTER FOR HUMIDITY CONTROL, TYPICALLY FOR CONTROL OF HUMIDITY IN A BULK LIQUID TANKAbandonedMar 03, 13Feb 12, 15[B01D]
2014/0263,037 FILTRATION MEDIAAbandonedMar 14, 13Sep 18, 14[B01D]
2014/0260,127 INTERCHANGEABLE INLET PROTECTION SYSTEMS FOR AIR INTAKES OF AIRCRAFT ENGINES AND RELATED METHODAbandonedMar 15, 13Sep 18, 14[B64D, F02C]
2014/0251,143 FILTRATION SYSTEM FOR A GAS TURBINE AIR INTAKE AND METHODSAbandonedMar 06, 14Sep 11, 14[F02M]
2014/0208,703 GAS/LIQUID SEPARATOR AND COMPONENTS; LIQUID DRAIN FLOW ASSEMBLIES; SYSTEMS OF USE ; AND, FEATURES; AND, COMPONENTSAbandonedJul 27, 12Jul 31, 14[F01M]
2014/0144,111 FILTER CARTRIDGES; FEATURES AND METHODS OF ASSEMLBY; AIR CLEANER ASSEMBLIES; AND, FILTER CARTRIDGE COMBINATIONSAbandonedMar 15, 13May 29, 14[B01D]
2014/0123,621 ACTUATED BYPASS HOOD FOR GAS TURBINE AIR INLET SYSTEM AND METHODSAbandonedFeb 25, 13May 08, 14[B23P, F02C]
2014/0060,330 MICROPOROUS MEMBRANE AND FINE-FIBER LAMINATEAbandonedMar 15, 13Mar 06, 14[H05K]
2013/0206,678 FLUID FILTER SYSTEMAbandonedMar 27, 13Aug 15, 13[B01D]
8460442 Fluted filter mediaExpiredAug 21, 12Jun 11, 13[B01D]
2012/0292,240 COMBINATION FILTER ARRANGMENT AND METHODAbandonedJul 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 MATERIALAbandonedNov 04, 09Dec 29, 11[B01J]
2011/0185,709 Low Temperature Diesel Particulate Matter Reduction SystemAbandonedJan 04, 11Aug 04, 11[F01N]
2011/0115,102 Process For Making Media For Use in Air/Oil SeparatorsAbandonedJun 02, 05May 19, 11[F22D, B01D]
2011/0030,558 DUST COLLECTOR, FILTRATION ARRANGMENT, AND METHODSAbandonedFeb 04, 09Feb 10, 11[B01D]

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