DONALDSON
Filed: July 14, 1947
AIR CLEANERS FOR INTERNAL COMBUSTION ENGINES
Owned by: DONALDSON COMPANY, INC.
Serial Number: 71528560
TORIT
Filed: May 20, 1954
DUST COLLECTORS AND DUST SEPARATORS OF AN INDUSTRIAL NATURE FOR USE IN MANUFACTURING PROCESSES
Owned by: DONALDSON COMPANY, INC.
Serial Number: 71666796
DONALDSON
Filed: November 29, 1954
MUFFLERS OR SILENCERS FOR INTERNAL COMBUSTION ENGINES
Owned by: DONALDSON COMPANY, INC.
Serial Number: 71677398
DONACLONE
Filed: December 9, 1957
AIR CLEANERS AND SEPARATORS FOR INTERNAL COMBUSTION ENGINES AND [ INDUSTRIAL GRINDING MACHINES ]
Owned by: DONALDSON COMPANY, INC.
Serial Number: 72042002
ULTRA AIRE
Filed: November 25, 1958
FILTERS
Owned by: DONALDSON COMPANY, INC.
Serial Number: 72063169
CYCLOPAC
Filed: April 4, 1960
AIR CLEANERS HAVING REPLACEABLE FILTERS
Owned by: DONALDSON COMPANY, INC.
Serial Number: 72094276
TORIT
Filed: March 31, 1961
((Dental Equipment, Appliances and Apparatuses; Oral Evacuators, Casting Machines, Electric Furnaces, Vacuum Investing Units…
Owned by: DONALDSON COMPANY, INC.
Serial Number: 72116933
STRATA
Filed: November 1, 1961
Air Cleaners for Internal Combustion Engines
Owned by: DONALDSON COMPANY, INC.
Serial Number: 72131114
TORIT
Filed: October 25, 1962
Dust-Free Cabinets (Used in Manufacturing to Prevent Dust from Collecting in the Area the Product Is Being Produced), Dust…
Owned by: DONALDSON COMPANY, INC.
Serial Number: 72155949
DONASONIC
Filed: June 8, 1964
Gas Turbine Intake Silencers
Owned by: DONALDSON COMPANY, INC.
Serial Number: 72195071
LIQUACLONE
Filed: December 28, 1965
CENTRIFUGAL SEPARATOR FOR REMOVING CONTAMINANTS FROM LIQUIDS, SPECIFICALLY FOR METAL-CUTTING MACHINE COOLANTS
Owned by: DONALDSON COMPANY, INC.
Serial Number: 72235397
STRATACLONE
Filed: March 7, 1966
AIR CLEANERS FOR INTERNAL COMBUSTION ENGINES
Owned by: DONALDSON COMPANY, INC.
Serial Number: 72240277
VEE PAC
Filed: April 8, 1966
AIR CLEANERS SPECIFICALLY FOR USE WITH INTERNAL COMBUSTION ENGINES
Owned by: DONALDSON COMPANY, INC.
Serial Number: 72242968
SERVI SIGNAL
Filed: May 24, 1966
RESTRICTION INDICATORS RESPONSIVE TO AN INCREASED PRESSURE BASED UPON THE RELATIVE CONDITION OF AN AIR CLEANER
Owned by: DONALDSON COMPANY, INC.
Serial Number: 72246458
AIR-MAZE
Filed: April 13, 1967
INERTIA SEPARATORS FOR REMOVING ENTRAINED SOLIDS FROM AN AIR STREAM
Owned by: DONALDSON COMPANY, INC.
Serial Number: 72269009
DONALDSON
Filed: May 18, 1967
FLUID CLEANER DEVICES-NAMELY, CENTRIFUGAL SEPARATORS
Owned by: DONALDSON COMPANY, INC.
Serial Number: 72271776
POWER-TUNED
Filed: July 5, 1968
MUFFLERS FOR INTERNAL COMBUSTION ENGINES
Owned by: DONALDSON COMPANY, INC.
Serial Number: 72302057
DONALDSON
Filed: October 22, 1969
AIR FLOW AND FILTRATION RESTRICTION INDICATOR KITS, CONSISTING OF A SIGNAL DEVICE, FILTER, AND INSTRUCTION SHEET
Owned by: DONALDSON COMPANY, INC.
Serial Number: 72341311
D
Filed: October 30, 1969
MUFFLERS FOR INTERNAL COMBUSTION ENGINES; SILENCERS FOR GAS TURBINE ENGINES; SPARK ARRESTORS FOR INTERNAL COMBUSTION ENGINES…
Owned by: DONALDSON COMPANY, INC.
Serial Number: 72342108
CYCLOFLOW
Filed: March 9, 1970
AIR CLEANERS HAVING REPLACEABLE FILTERS
Owned by: DONALDSON COMPANY, INC.
Serial Number: 72353365
D
Filed: April 6, 1970
METAL BELLOWS AND FLUID CONTAINMENT AND SEALING DEVICES-NAMELY, STATIC SPRING SEALS, ROD AND PISTON SEALS, BELLOWS SPRING…
Owned by: DONALDSON COMPANY, INC.
Serial Number: 72355959
LIQUA PAC
Filed: October 5, 1970
CENTRIFUGAL-TYPE COOLANT CLARIFYING SYSTEM FOR GRINDING MACHINES
Owned by: DONALDSON COMPANY, INC.
Serial Number: 72372419
SILENT PARTNER
Filed: July 29, 1971
PROTECTIVE AND DECORATIVE SHIELD FOR MUFFLERS
Owned by: DONALDSON COMPANY, INC.
Serial Number: 72398665
SEALCLAMP
Filed: August 15, 1975
CLAMPS FOR CONNECTING AND SEALING EXHAUST SYSTEM TUBES
Owned by: DONALDSON COMPANY, INC.
Serial Number: 73060611
SOUND FACTS
Filed: March 29, 1976
NEWSLETTER DEALING WITH TOPICS RELATING TO NOISE
Owned by: DONALDSON COMPANY, INC.
Serial Number: 73081850
SWITCH PAC
Filed: March 14, 1977
AIR CLEANER KITS FOR LAND VEHICLES COMPRISING PAPER FILTERS, FILTER HOLDERS, AND RESTRICTION ELEMENTS
Owned by: DONALDSON COMPANY, INC.
Serial Number: 73116562
AERCOLOGY
Filed: November 4, 1977
MECHANICAL SMOKE AND MIST COLLECTORS AND MECHANICAL DUST COLLECTORS
Owned by: DONALDSON COMPANY, INC.
Serial Number: 73147326
UNIMASTER
Filed: May 15, 1978
INDUSTRIAL, NON-MECHANICAL DUST FILTERING UNITS
Owned by: DONALDSON COMPANY, INC.
Serial Number: 73170485
U-PAC
Filed: March 26, 1979
Air Filters for Locomotives
Owned by: DONALDSON COMPANY, INC.
Serial Number: 73208835
RAM AIR PRECLEANER
Filed: April 6, 1981
Air Cleaner for Internal Combustion Engines for Land Vehicles Operable to Remove Air Contaminants Before They Reach the…
Owned by: DONALDSON COMPANY, INC.
Serial Number: 73304352
E
Filed: September 27, 1982
Mufflers for Land Vehicles
Owned by: DONALDSON COMPANY, INC.
Serial Number: 73389288
TETRATEX
Filed: December 3, 1982
Microporous Plastic Film
Owned by: DONALDSON COMPANY, INC.
Serial Number: 73404648
DONALDSON
Filed: March 7, 1984
MACHINE PARTS, NAMELY MUFFLERS AND SILENCERS FOR INTERNAL COMBUSTION ENGINES; SILENCERS FOR GAS TURBINE ENGINES; SPARK ARRESTORS…
Owned by: DONALDSON COMPANY, INC.
Serial Number: 73469086
D
Filed: March 8, 1984
MACHINE PARTS, NAMELY SILENCERS NOT FOR LAND VEHICLES; MUFFLERS FOR INTERNAL COMBUSTION ENGINES; SILENCERS FOR GAS TURBINE…
Owned by: DONALDSON COMPANY, INC.
Serial Number: 73469209
DOWNFLO
Filed: October 17, 1984
INDUSTRIAL MECHANICAL DUST COLLECTORS
Owned by: DONALDSON COMPANY, INC.
Serial Number: 73504244
DURALIFE
Filed: March 10, 1986
OIL BATH AIR CLEANERS FOR INTERNAL COMBUSTION ENGINES NOT FOR LAND VEHICLES, CENTRIFUGAL PRE-CLEANERS AND AIR CLEANERS FOR…
Owned by: DONALDSON COMPANY, INC.
Serial Number: 73587037
DURAFAXX
Filed: December 29, 1986
ENGINE, TRANSMISSION, AND AUTOMOTIVE REAR-END OR GEARBOX FLUID TESTING SERVICES
Owned by: DONALDSON COMPANY, INC.
Serial Number: 73637681
SYNTEQ
Filed: October 2, 1987
NON-WOVEN FIBROUS FILTER MEDIA FOR FLUID FILTERS USED IN VEHICULAR ENGINE, TRANSMISSION AND HYDRAULIC APPLICATIONS
Owned by: DONALDSON COMPANY, INC.
Serial Number: 73687646
SYNTEQ
Filed: October 2, 1987
NON-WOVEN FIBROUS FILTER MEDIA FOR FLUID FILTERS USED IN VEHICULAR ENGINE, TRANSMISSION AND HYDRAULIC APPLICATIONS
Owned by: DONALDSON COMPANY, INC.
Serial Number: 73688189
DURALIFE
Filed: November 23, 1987
LUBE OIL FILTERS FOR LAND VEHICLE ENGINES
Owned by: DONALDSON COMPANY, INC.
Serial Number: 73697248
