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Donald F. Belz
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Clear Spring, MD, US
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Patents Grants
last 30 patents
Information
Patent Grant
Spiral conveyor apparatus with automatic flow control
Patent number
7,240,788
Issue date
Jul 10, 2007
Carter Control Systems, Inc.
Donald F. Belz
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Spiral conveyor apparatus with automatic flow control
Patent number
7,086,523
Issue date
Aug 8, 2006
Carter Control System, Inc.
Donald F. Belz
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Spiral conveyor apparatus with automatic flow control
Patent number
6,935,485
Issue date
Aug 30, 2005
Carter Control Systems, Inc.
Donald F. Belz
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Spiral conveyor apparatus with automatic flow control
Patent number
6,659,268
Issue date
Dec 9, 2003
Carter Control Systems, Inc.
Donald F. Belz
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Spiral conveyor apparatus with automatic flow control
Patent number
6,398,014
Issue date
Jun 4, 2002
Carter Control Systems, Inc.
Donald F. Belz
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Spiral conveyor apparatus with automatic flow control
Patent number
6,298,971
Issue date
Oct 9, 2001
Donald F. Belz
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Spiral conveyor apparatus with automatic flow control
Patent number
6,199,677
Issue date
Mar 13, 2001
Carter Control Systems, Inc.
Donald F. Belz
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Spiral conveyor apparatus with automatic flow control
Patent number
5,901,827
Issue date
May 11, 1999
Carter Control Systems, Inc.
Donald F. Belz
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Patents Applications
last 30 patents
Information
Patent Application
Spiral conveyor apparatus with automatic flow control
Publication number
20060266624
Publication date
Nov 30, 2006
Carter Control Systems, Inc.
Donald F. Belz
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
Spiral conveyor apparatus with automatic flow control
Publication number
20050199473
Publication date
Sep 15, 2005
Carter Controls Systems, Inc.
Donald F. Belz
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
Spiral conveyor apparatus with automatic flow control
Publication number
20040262129
Publication date
Dec 30, 2004
Donald F. Belz
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
SPIRAL CONVEYOR APPARATUS WITH AUTOMATIC FLOW CONTROL
Publication number
20040129537
Publication date
Jul 8, 2004
Donald F. Belz
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
Sprial conveyor apparatus with automatic flow control
Publication number
20020195320
Publication date
Dec 26, 2002
Donald F. Belz
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
Spiral conveyor apparatus with automatic flow control
Publication number
20010004958
Publication date
Jun 28, 2001
Donald F. Belz
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
Spiral conveyor apparatus with automatic flow control
Publication number
20010004043
Publication date
Jun 21, 2001
Donald F. Belz
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL