Tractech Inc.

Organization

Warren, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Gearless locking differential
- Patent number 7,311,632
- Issue date Dec 25, 2007
- Tractech Inc.
- Walter L. Dissett
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Differential for racing cars
- Patent number 6,826,981
- Issue date Dec 7, 2004
- Tractech Inc.
- Robert A. Kress
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Locking differential including improved clutch member and adapter s...
- Patent number 6,688,194
- Issue date Feb 10, 2004
- Tractech Inc.
- Walter L. Dissett
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Gearless differential
- Patent number 6,374,701
- Issue date Apr 23, 2002
- Tractech Inc.
- Wendel W. Tittjung
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Fully-locking torque-proportioning differential
- Patent number 6,309,321
- Issue date Oct 30, 2001
- Tractech Inc.
- Paul J. Valente
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Electric clutch including resilient disk biasing means
- Patent number 6,209,700
- Issue date Apr 3, 2001
- Tractech Inc.
- Jason L. Wogaman
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Clutch for a differential
- Patent number 6,076,429
- Issue date Jun 20, 2000
- Tractech Inc.
- Paul J. Valente
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Helical gear differential including lubrication passage means
- Patent number 5,885,181
- Issue date Mar 23, 1999
- Tractech Inc.
- Walter L. Dissett
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Locking differential with pin access window
- Patent number 5,836,220
- Issue date Nov 17, 1998
- Tractech Inc.
- Paul J. Valente
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Locking differential including a spring cap biasing assembly
- Patent number 5,715,733
- Issue date Feb 10, 1998
- Tractech Inc.
- Walter L. Dissett
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Locking differential with pre-load means and C-clip retainers
- Patent number 5,671,640
- Issue date Sep 30, 1997
- Tractech Inc.
- Paul J. Valente
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Differential with equal depth pinion cavities
- Patent number 4,751,853
- Issue date Jun 21, 1988
- Tractech, Inc.
- Walter L. Dissett
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Torque-proportioning differential with cylindrical spacer
- Patent number 4,677,876
- Issue date Jul 7, 1987
- Tractech, Inc.
- Walter L. Dissett
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Differential apparatus with side-gear-centered center cam
- Patent number 4,644,818
- Issue date Feb 24, 1987
- Tractech, Inc.
- Alvin A. Choma
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Torque-proportioning differential with sectional housing
- Patent number 4,625,585
- Issue date Dec 2, 1986
- Tractech, Inc.
- Walter L. Dissett
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Holdout ring construction for differentials
- Patent number 4,557,158
- Issue date Dec 10, 1985
- Tractech, Inc.
- Walter L. Dissett
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Integral holdout ring and spring retainer for differentials
- Patent number 4,524,640
- Issue date Jun 25, 1985
- Tractech, Inc.
- Lawrence T. Neumann
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Locking differential mechanism with improved holdout ring and sprin...
- Patent number 4,424,725
- Issue date Jan 10, 1984
- Tractech, Inc.
- James R. Bawks
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Torque-proportioning differential with wedge block thrust bearing m...
- Patent number 4,365,524
- Issue date Dec 28, 1982
- Tractech, Inc.
- Walter L. Dissett
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

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Patents Applicationslast 30 patents

Information Patent Application
Locking differential including improved clutch member and adapter s...
- Publication number 20030066386
- Publication date Apr 10, 2003
- Tractech Inc.
- Walter L. Dissett
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

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Trademarklast 30 trademarks

Information Trademark
78681003 - DETROIT LSD
- Serial number 78681003
- Registration number 3114320
- Filing date Jul 28, 2005
- Tractech Inc.
- 12 - Vehicles
Information Trademark
78525167 - DETROIT GEARLESS LOCKER
- Serial number 78525167
- Registration number 3097541
- Filing date Dec 1, 2004
- Tractech Inc.
- 12 - Vehicles
Information Trademark
78458228 - PTD
- Serial number 78458228
- Filing date Jul 28, 2004
- Tractech Inc.
- 12 - Vehicles
Information Trademark
78177670 - DETROIT GEARLESS
- Serial number 78177670
- Registration number 2831900
- Filing date Oct 23, 2002
- TRACTECH INC.
- 12 - Vehicles
Information Trademark
76406613 - DETROIT E-LOCKER
- Serial number 76406613
- Filing date May 13, 2002
- TRACTECH INC.
- 12 - Vehicles
Information Trademark
76173669 - DETROIT ELECTRAC
- Serial number 76173669
- Registration number 2557336
- Filing date Nov 30, 2000
- TRACTECH INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
76173670
- Serial number 76173670
- Registration number 2560675
- Filing date Nov 30, 2000
- TRACTECH INC.
- 12 - Vehicles
Information Trademark
76173668 - DETROIT ELECTRAC
- Serial number 76173668
- Registration number 2560365
- Filing date Nov 30, 2000
- TRACTECH INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
75560354 - TRACTECH
- Serial number 75560354
- Registration number 2424428
- Filing date Sep 28, 1998
- TRACTECH INC.
- 7 - Machines and machine tools
Information Trademark
75450191 - SOFLOCKER
- Serial number 75450191
- Registration number 2289582
- Filing date Mar 13, 1998
- TRACTECH INC.
- 12 - Vehicles
Information Trademark
75425398 - ELECTRAC
- Serial number 75425398
- Filing date Jan 29, 1998
- TRACTECH INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
75255437 - DETROIT LSD
- Serial number 75255437
- Registration number 2347747
- Filing date Mar 11, 1997
- TRACTECH INC.
- 12 - Vehicles
Information Trademark
75200397 - DETROIT GEARLESS LOCKER
- Serial number 75200397
- Registration number 2269934
- Filing date Nov 14, 1996
- TRACTECH INC.
- 12 - Vehicles
Information Trademark
75037516 - DETROIT E-Z LOCKER
- Serial number 75037516
- Registration number 2300202
- Filing date Dec 27, 1995
- Titan Wheel International, Inc.
- 12 - Vehicles
Information Trademark
75037678 - DETROIT C-LOCKER
- Serial number 75037678
- Registration number 2304427
- Filing date Dec 27, 1995
- Titan Wheel International, Inc.
- 12 - Vehicles

Tractech Inc.

Organization

Patents Grantslast 30 patents

Gearless locking differential

Differential for racing cars

Locking differential including improved clutch member and adapter s...

Gearless differential

Fully-locking torque-proportioning differential

Electric clutch including resilient disk biasing means

Clutch for a differential

Helical gear differential including lubrication passage means

Locking differential with pin access window

Locking differential including a spring cap biasing assembly

Locking differential with pre-load means and C-clip retainers

Differential with equal depth pinion cavities

Torque-proportioning differential with cylindrical spacer

Differential apparatus with side-gear-centered center cam

Torque-proportioning differential with sectional housing

Holdout ring construction for differentials

Integral holdout ring and spring retainer for differentials

Locking differential mechanism with improved holdout ring and sprin...

Torque-proportioning differential with wedge block thrust bearing m...

Patents Applicationslast 30 patents

Locking differential including improved clutch member and adapter s...

Trademarklast 30 trademarks

78681003 - DETROIT LSD

78525167 - DETROIT GEARLESS LOCKER

78458228 - PTD

78177670 - DETROIT GEARLESS

76406613 - DETROIT E-LOCKER

76173669 - DETROIT ELECTRAC

76173670

76173668 - DETROIT ELECTRAC

75560354 - TRACTECH

75450191 - SOFLOCKER

75425398 - ELECTRAC

75255437 - DETROIT LSD

75200397 - DETROIT GEARLESS LOCKER

75037516 - DETROIT E-Z LOCKER

75037678 - DETROIT C-LOCKER