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Richmond, IN, US
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Patents Grants
last 30 patents
Information
Patent Grant
Adjustable cam weights for torque converter
Patent number
6,155,940
Issue date
Dec 5, 2000
Hoffco, Inc.
Jack B. Templeton
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Quick-release component connector for lawn tool
Patent number
6,006,434
Issue date
Dec 28, 1999
Hoffco, Inc.
Jack B. Templeton
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Drive arm-engaging roller for centrifugal clutch
Patent number
5,647,810
Issue date
Jul 15, 1997
Hoffco, Inc.
H. Mike Huddleston
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Centrifugal actuator for centrifugal clutch
Patent number
5,597,060
Issue date
Jan 28, 1997
Hoffco, Inc.
H. Mike Huddleston
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Centrifugal clutch
Patent number
5,437,356
Issue date
Aug 1, 1995
Hoffco, Inc.
Thomas H. Lohr
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Steering clutch brake assembly
Patent number
5,427,217
Issue date
Jun 27, 1995
Hoffco, Inc.
A. Gary Patridge
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Quiet-running centrifugal clutch
Patent number
5,419,421
Issue date
May 30, 1995
Hoffco, Inc.
Thomas H. Lohr
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Cone ramp clutch
Patent number
5,411,122
Issue date
May 2, 1995
Hoffco, Inc.
Roderick N. Uphaus
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Variable speed drive system
Patent number
5,377,774
Issue date
Jan 3, 1995
Hoffco, Inc.
Thomas H. Lohr
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Pivoting belt tensioning device
Patent number
5,246,403
Issue date
Sep 21, 1993
Hoffco, Inc.
Roderic N. Uphaus
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Garden tiller tine assembly
Patent number
5,048,616
Issue date
Sep 17, 1991
Hoffco, Inc.
Stephen J. Hoff
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Brake caliper includes mechanical actuator with camming device and...
Patent number
4,633,978
Issue date
Jan 6, 1987
Hoffco, Inc.
Stephen J. Hoff
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Safety mounting for lawn mower blade
Patent number
4,428,184
Issue date
Jan 31, 1984
Hoffco, Inc.
Stephen J. Hoff
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Lawn mower blade control mechanism
Patent number
4,416,107
Issue date
Nov 22, 1983
Hoffco, Inc.
Stephen J. Hoff
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Lawn mower blade retainer
Patent number
4,413,468
Issue date
Nov 8, 1983
Hoffco, Inc.
Harold M. Hockersmith
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Lawn trimmer construction
Patent number
4,335,585
Issue date
Jun 22, 1982
Hoffco, Inc.
Stephen J. Hoff
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Clutch and brake for rotary lawn mower
Patent number
4,326,368
Issue date
Apr 27, 1982
Hoffco, Inc.
Stephen J. Hoff
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Combined flywheel and clutch mechanism for lawn mower blade
Patent number
4,316,355
Issue date
Feb 23, 1982
Hoffco, Inc.
Stephen J. Hoff
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Lawn mower blade rotation warning device
Patent number
4,297,829
Issue date
Nov 3, 1981
Hoffco, Inc.
Stephen J. Hoff
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Combined flywheel and clutch driver, and control and warning device
Patent number
4,277,936
Issue date
Jul 14, 1981
Hoffco, Inc.
Stephen J. Hoff
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Shaft assembly for lawn trimmer
Patent number
4,226,021
Issue date
Oct 7, 1980
Hoffco, Inc.
Stephen J. Hoff
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Clutch and brake assembly for implement drive
Patent number
4,221,284
Issue date
Sep 9, 1980
Hoffco Inc.
Stephen J. Hoff
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Lawn trimmer chain saw attachment
Patent number
4,188,719
Issue date
Feb 19, 1980
Hoffco, Inc.
Stephen J. Hoff
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Power driven lawn trimmer
Patent number
D252130
Issue date
Jun 19, 1979
Hoffco, Inc.
David J. Hoff
D08 - Tools and hardware
Information
Patent Grant
Lawn mower blade rotation warning device
Patent number
4,152,881
Issue date
May 8, 1979
Hoffco, Inc.
Stephen J. Hoff
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Lawn mower blade control apparatus
Patent number
4,148,173
Issue date
Apr 10, 1979
Hoffco, Inc.
Stephen J. Hoff
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Lawn trimmer cutter head
Patent number
4,148,141
Issue date
Apr 10, 1979
Hoffco, Inc.
Stephen J. Hoff
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Method of making a shaft assembly
Patent number
4,126,928
Issue date
Nov 28, 1978
Hoffco, Inc.
Stephen J. Hoff
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Variable-speed pulley and clutch
Patent number
4,102,214
Issue date
Jul 25, 1978
Hoffco, Inc.
Stephen J. Hoff
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Clutches with brake for implements
Patent number
4,088,210
Issue date
May 9, 1978
Hoffco, Inc.
Stephen J. Hoff
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Trademark
last 30 trademarks
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Trademark
74195974 - MISTER SHRED
Serial number
74195974
Registration number
1759062
Filing date
Aug 19, 1991
Hoffco, Inc.
7 - Machines and machine tools
Information
Trademark
73792336 - H
Serial number
73792336
Registration number
1590537
Filing date
Apr 10, 1989
Hoffco, Inc.
7 - Machines and machine tools
Information
Trademark
73782913 - COMET
Serial number
73782913
Registration number
1601892
Filing date
Feb 27, 1989
Hoffco, Inc.
7 - Machines and machine tools
Information
Trademark
73782934 - HOFFCO
Serial number
73782934
Registration number
1601893
Filing date
Feb 27, 1989
Hoffco, Inc.
7 - Machines and machine tools
Information
Trademark
73776847 - LI'L HOE
Serial number
73776847
Registration number
1564184
Filing date
Jan 26, 1989
Hoffco, Inc.
7 - Machines and machine tools
Information
Trademark
73532359 - TRI-KUT
Serial number
73532359
Registration number
1366348
Filing date
Apr 15, 1985
Hoffco, Inc.
7 - Machines and machine tools
Information
Trademark
73206559 - STRIMETTE
Serial number
73206559
Registration number
1146042
Filing date
Mar 8, 1979
Hoffco, Inc.
7 - Machines and machine tools
Information
Trademark
73158883 - TRIMETTE
Serial number
73158883
Registration number
1101243
Filing date
Feb 16, 1978
HOFFCO, INC.
7 - Machines and machine tools
Information
Trademark
73117372 - TRI-LINE
Serial number
73117372
Registration number
1077280
Filing date
Feb 28, 1977
HOFFCO, INC.
7 - Machines and machine tools
Information
Trademark
73117367 - WHIZZ WITCH
Serial number
73117367
Registration number
1077279
Filing date
Feb 28, 1977
HOFFCO, INC.
7 - Machines and machine tools