DALAMATIC
Filed: May 15, 1978
INDUSTRIAL NON-MECHANICAL DUST FILTERING UNITS
Owned by: Donaldson Company, Inc.
Serial Number: 73170347
DURAMAX
Filed: August 10, 1981
Filter Cartridge for Hydraulic Oil Filter Assembly
Owned by: Donaldson Company, Inc.
Serial Number: 73322731
THE INFORMER
Filed: September 30, 1982
Restriction Indicators for Internal Combustion Engine Air Cleaners
Owned by: Donaldson Company, Inc.
Serial Number: 73396818
ULTRA-WEB
Filed: November 1, 1982
Filter Elements for Use in Commercial and Industrial Filter Units
Owned by: Donaldson Company, Inc.
Serial Number: 73401295
TORIT-BUILT
Filed: February 22, 1990
filter cartridges for use in dust collectors and dust separators
Owned by: Donaldson Company, Inc.
Serial Number: 74031345
Image Trademark
Filed: July 19, 1990
[ mufflers for stationary compressor engines ]
Owned by: Donaldson Company, Inc.
Serial Number: 74079689
ULTRA-TEK
Filed: July 5, 1991
AIR FILTERS FOR [ INDIVIDUAL ] * INDUSTRIAL * INSTALLATIONS
Owned by: Donaldson Company, Inc.
Serial Number: 74182459
ULTRA
Filed: September 17, 1992
air filters for industrial use
Owned by: Donaldson Company, Inc.
Serial Number: 74314621
PJAC SYSTEM
Filed: November 9, 1992
self cleaning air filters for land vehicles
Owned by: Donaldson Company, Inc.
Serial Number: 74329730
TD
Filed: July 19, 1993
filters for industrial installations; namely, industrial dust collectors having replaceable filters, and replaceable filters…
Owned by: Donaldson Company, Inc.
Serial Number: 74415480
DRYFLO
Filed: January 12, 1994
filtering units, namely mist collectors with replaceable filter cartridges for industrial use; filter cartridges for industrial…
Owned by: Donaldson Company, Inc.
Serial Number: 74478708
SPIDER-WEB
Filed: April 7, 1994
air filter elements for stationary gas turbine engines
Owned by: Donaldson Company, Inc.
Serial Number: 74509981
FIBRA-WEB
Filed: December 5, 1994
filter elements for use in commercial and industrial filter units
Owned by: Donaldson Company, Inc.
Serial Number: 74606595
THERMO-TEK
Filed: December 12, 1994
air filter cartridges for stationary industrial air filters
Owned by: Donaldson Company, Inc.
Serial Number: 74609731
POWERCORE
Filed: January 22, 1996
air cleaners and filters for cleaning air for engines; vehicular air filter products, namely, filters, filter housings,…
Owned by: Donaldson Company, Inc.
Serial Number: 75046518
DONALDSON ENDURANCE
Filed: March 5, 1996
air, fuel and oil filters for motors and engines, and replacement parts therefor
Owned by: Donaldson Company, Inc.
Serial Number: 75067703
DURALITE
Filed: March 18, 1996
air filters for motors and engines
Owned by: Donaldson Company, Inc.
Serial Number: 75074053
SYNTEQ
Filed: July 3, 1996
filters employing non-woven fibrous filter media and used in vehicular engine, transmission and hydraulic fluid filter applications…
Owned by: Donaldson Company, Inc.
Serial Number: 75129604
SYNTEQ
Filed: July 3, 1996
filters employing non-woven fibrous filter media and used in vehicular engine, transmission and hydraulic fluid filter applications…
Owned by: Donaldson Company, Inc.
Serial Number: 75129605
ULTRA-WEB
Filed: September 26, 1996
air filters for heating, ventilating and air conditioning systems for residential and commercial building applications
Owned by: Donaldson Company, Inc.
Serial Number: 75172265
D
Filed: October 8, 1997
MUFFLERS AND SILENCERS FOR INTERNAL COMBUSTION ENGINES; SILENCERS FOR GAS TURBINE ENGINES; SILENCERS FOR GENERATORS AND…
Owned by: Donaldson Company, Inc.
Serial Number: 75370351
SILENT PARTNER
Filed: October 28, 1997
MUFFLERS AND SILENCERS FOR LAND-VEHICLE ENGINES
Owned by: Donaldson Company, Inc.
Serial Number: 75380848
SPIRACLE
Filed: October 28, 1997
filters for motors and engines, namely, aerosol separator and coalescer/particulate filter for engine crankcase application…
Owned by: Donaldson Company, Inc.
Serial Number: 75380951
Image Trademark
Filed: November 5, 1997
AIR CLEANERS AND AIR FILTERS FOR INTERNAL COMBUSTION ENGINES, REPLACEMENT FILTER ELEMENTS FOR ENGINE AIR CLEANERS, AND PARTS…
Owned by: Donaldson Company, Inc.
Serial Number: 75385294
Image Trademark
Filed: November 26, 1997
air cleaners and air filters for internal combustion engines, replacement filter elements for engine air cleaners, and parts…
Owned by: Donaldson Company, Inc.
Serial Number: 75396379
DONALDSON DYNAMIC
Filed: December 15, 1997
ON-LINE INTERACTIVE ORDERING SERVICES FEATURING AIR AND OIL FILTERS FOR ENGINE APPLICATIONS
Owned by: Donaldson Company, Inc.
Serial Number: 75405055
EASY-TRUNK
Filed: April 14, 1998
Fume exhaust ventilators for trapping and exhausting harmful airborne contaminants generated by manufacturing operations
Owned by: Donaldson Company, Inc.
Serial Number: 75467900
LITHOGUARD
Filed: May 11, 1998
AIR FILTERS CONTAINING CARBON FOR USE IN INDUSTRIAL GAS FILTRATION
Owned by: Donaldson Company, Inc.
Serial Number: 75482428
TETRATEX
Filed: September 10, 1998
FABRICS IN THE NATURE OF A BREATHABLE MOISTURE BARRIER USED IN THE MANUFACTURE OF WEARING APPAREL, SLEEPING BAGS, TENTS…
Owned by: Donaldson Company, Inc.
Serial Number: 75551525
Image Trademark
Filed: September 10, 1998
fabrics in the nature of a breathable moisture barrier used in the manufacture of wearing apparel, sleeping bags, tents…
Owned by: Donaldson Company, Inc.
Serial Number: 75552195
DURATEK
AIR INTAKE FILTERS FOR STATIONARY GAS TURBINES
Owned by: Donaldson Company, Inc.
Serial Number: 75665045
SPIRACLE
Filed: July 7, 1999
FILTERS FOR MOTORS AND ENGINES, NAMELY, AEROSOL SEPARATOR AND COALESCER/PARTICULATE FILTER FOR ENGINE CRANKCASE APPLICATION…
Owned by: Donaldson Company, Inc.
Serial Number: 75748615
Image Trademark
Filed: December 11, 2000
FILTRATION MEDIA IN THE FORM OF A MEMBRANE OR MULTI-LAYER FABRIC FOR USE IN FILTERING GASES, AND/OR LIQUIDS
Owned by: Donaldson Company, Inc.
Serial Number: 76178527
SEALCLAMP
Filed: November 21, 2003
METALLIC CONNECTOR FOR EXHAUST SYSTEM TUBES
Owned by: Donaldson Company, Inc.
Serial Number: 76563815
TETRATEX CONTACT
Filtration media in the form of a membrane or multilayer fabric for use in filtering gases and/or liquids; microporous membranes…
Owned by: Donaldson Company, Inc.
Serial Number: 76709497
TETRATEX FLUENT
Filtration media in the form of a membrane or multilayer fabric for use in filtering gases and/or liquids; microporous membranes…
Owned by: Donaldson Company, Inc.
Serial Number: 76716601
TETRATEX FLUENT
Filed: July 3, 2014
Microporous semi-permeable polytetrafluoroethylene (PTFE) membranes for use in manufacturing; plastic in the form of porous…
Owned by: Donaldson Company, Inc.
Serial Number: 76979208
TRIBOGUARD
Liquid filters, namely, hydraulic and lubrication oil filters
Owned by: Donaldson Company, Inc.
Serial Number: 77394417
TETRATEX
Filed: July 22, 2008
Filtration media in the form of a membrane or multi-layer fabric for use in filtering gases and/or liquids
Owned by: Donaldson Company, Inc.
Serial Number: 77528743
ULTRA-WEB
Cell and tissue growth substrates for medical and clinical diagnostic use
Owned by: Donaldson Company, Inc.
Serial Number: 78363101
