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NATIONAL BROACH & MACHINE CO.
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DETROIT, MI, US
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Patents Grants
last 30 patents
Information
Patent Grant
Two-stage broaching of engine block bearings
Patent number
5,435,676
Issue date
Jul 25, 1995
National Broach & Machine Company
Harvey J. Yera
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Machine tool with temperature compensation
Patent number
5,421,683
Issue date
Jun 6, 1995
National Broach & Machine Company
Richard G. Keehn
G05 - CONTROLLING REGULATING
Information
Patent Grant
Loader/unloader for blind broaching
Patent number
5,326,201
Issue date
Jul 5, 1994
National Broach & Machine Company
Carrol L. King
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Coolant distribution system for blind broaching
Patent number
5,257,886
Issue date
Nov 2, 1993
National Broach & Machine Company
Carrol L. King
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Apparatus for progressive blind broaching
Patent number
5,167,603
Issue date
Dec 1, 1992
National Broach & Machine Company
David A. Iwaniuk
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Optimization method and apparatus for dressing a grinding wheel
Patent number
4,924,842
Issue date
May 15, 1990
National Broach & Machine Company
Suren B. Rao
B24 - GRINDING POLISHING
Information
Patent Grant
Stock divider including a computer controlled gear locator
Patent number
4,755,950
Issue date
Jul 5, 1988
National Broach & Machine Company
Suren B. Rao
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Pot broach
Patent number
4,671,709
Issue date
Jun 9, 1987
National Broach & Machine Company
Axel B. Abrahamsson
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
74229038 - DURAHONE
Serial number
74229038
Registration number
1715058
Filing date
Dec 10, 1991
National Broach & Machine Company
7 - Machines and machine tools
Information
Trademark
72175311 - NALOY
Serial number
72175311
Registration number
770299
Filing date
Aug 19, 1963
NATIONAL BROACH AND MACHINE CO.
8 - Hand tools and implements (hand-operated)
Information
Trademark
72153104 - PERIFORM
Serial number
72153104
Registration number
752918
Filing date
Sep 13, 1962
NATIONAL BROACH & MACHINE CO.
7 - Machines and machine tools
Information
Trademark
72149113 - NALOY
Serial number
72149113
Registration number
749926
Filing date
Jul 16, 1962
NATIONAL BROACH & MACHINE CO.
40 - Treatment of materials
Information
Trademark
71400785 - RED RING
Serial number
71400785
Registration number
357504
Filing date
Dec 13, 1937
NATIONAL BROACH & MACHINE CO.
3 - Bleaching preparations and other substances for laundry use
Information
Trademark
71400786 - RED RING
Serial number
71400786
Registration number
356472
Filing date
Dec 13, 1937
NATIONAL BROACH & MACHINE CO.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
71398368
Serial number
71398368
Registration number
356074
Filing date
Oct 11, 1937
NATIONAL BROACH & MACHINE CO.
7 - Machines and machine tools
Information
Trademark
71398369 - RED RING
Serial number
71398369
Registration number
356075
Filing date
Oct 11, 1937
NATIONAL BROACH & MACHINE CO.
7 - Machines and machine tools
Information
Trademark
71398367 - RED RING
Serial number
71398367
Registration number
356073
Filing date
Oct 11, 1937
NATIONAL BROACH & MACHINE CO.
6 - Common metals and their alloys