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Ohio Central Steel Company
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Reynoldsburg, OH, US
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Patents Grants
last 30 patents
Information
Patent Grant
Lifting lid crusher
Patent number
7,229,041
Issue date
Jun 12, 2007
Ohio Central Steel Company
Douglas J. Cohen
B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information
Patent Grant
Screening apparatus with hammermill
Patent number
7,121,487
Issue date
Oct 17, 2006
Ohio Central Steel Company
Douglas J. Cohen
B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information
Patent Grant
Screening machine
Patent number
6,698,594
Issue date
Mar 2, 2004
Ohio Central Steel Company
Douglas J. Cohen
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Grant
Portable screening plant with displaceable eccentric
Patent number
6,669,026
Issue date
Dec 30, 2003
Ohio Central Steel Company
Douglas J. Cohen
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Grant
Displaceable eccentric for vibratory screen
Patent number
6,401,933
Issue date
Jun 11, 2002
Ohio Central Steel Company An Ohio Corporation
Douglas J. Cohen
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Grant
Multiple screen system
Patent number
6,000,553
Issue date
Dec 14, 1999
Ohio Central Steel Company
Douglas J. Cohen
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
78522747 - SCREEN MACHINE
Serial number
78522747
Registration number
3097529
Filing date
Nov 24, 2004
OHIO CENTRAL STEEL CO.
7 - Machines and machine tools
Information
Trademark
76176309 - TIGER SCREEN
Serial number
76176309
Registration number
2496334
Filing date
Dec 6, 2000
Ohio Central Steel Company
7 - Machines and machine tools
Information
Trademark
73606905 - THE SCREEN MACHINE
Serial number
73606905
Registration number
1466964
Filing date
Jun 30, 1986
OHIO CENTRAL STEEL CO.
7 - Machines and machine tools
Information
Trademark
73342931 - THE SCREEN MACHINE
Serial number
73342931
Filing date
Dec 22, 1981
OHIO CENTRAL STEEL CO.
7 - Machines and machine tools