Columbia Gas of Ohio, Inc.

Organization

Columbus, OH, US

Organizations

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Patents Grantslast 30 patents

Information Patent Grant
Method for measuring physical characteristics in a pipeline without...
- Patent number 5,980,102
- Issue date Nov 9, 1999
- Columbia Gas of Ohio
- Foster B. Stulen
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for measuring pressure in a pipeline without t...
- Patent number 5,836,693
- Issue date Nov 17, 1998
- Columbia Gas of Ohio,Inc.
- Foster B. Stulen
- G01 - MEASURING TESTING
Information Patent Grant
Hot water storage
- Patent number 5,769,033
- Issue date Jun 23, 1998
- Columbia Gas of Ohio, Inc.
- Stephen E. Petty
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Method and apparatus for measuring pressure in a pipeline without t...
- Patent number 5,645,348
- Issue date Jul 8, 1997
- Columbia Gas of Ohio, Inc.
- Foster B. Stulen
- G01 - MEASURING TESTING
Information Patent Grant
Generator for absorption heat pumps
- Patent number 5,546,760
- Issue date Aug 20, 1996
- Columbia Gas of Ohio, Inc.
- F. Bert Cook
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Heat transfer apparatus for heat pumps
- Patent number 5,533,362
- Issue date Jul 9, 1996
- Columbia Gas of Ohio, Inc.
- F. Bert Cook
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Acoustic tracing of buried conduits
- Patent number 5,412,989
- Issue date May 9, 1995
- Columbia Gas of Ohio, Inc.
- Arthur C. Eberle
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus and process for measuring the magnitude of leaks
- Patent number 5,361,636
- Issue date Nov 8, 1994
- Columbia Gas of Ohio, Inc.
- Jerry E. Farstad
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
75628218 - YOUR ENERGY EDGE
- Serial number 75628218
- Registration number 2337997
- Filing date Jan 26, 1999
- Columbia Gas of Ohio, Inc.
- 39 - Transport
Information Trademark
75543425 - CUSTOMER CHOICE
- Serial number 75543425
- Filing date Aug 27, 1998
- Columbia Gas of Ohio, Inc.
- 39 - Transport
Information Trademark
75543417 - CUSTOMER CHOICE
- Serial number 75543417
- Filing date Aug 27, 1998
- Columbia Gas of Ohio, Inc.
- 39 - Transport
Information Trademark
75198293 - CHOICE
- Serial number 75198293
- Registration number 2109154
- Filing date Nov 14, 1996
- Columbia Gas of Ohio, Inc.
- 39 - Transport
Information Trademark
75187500 - CUSTOMERS HAVE OPTIONS IN CHOOSING ENERGY
- Serial number 75187500
- Registration number 2105467
- Filing date Oct 25, 1996
- Columbia Gas of Ohio, Inc.
- 39 - Transport
Information Trademark
74472595 - NATURAL CHOICE HOME
- Serial number 74472595
- Registration number 1894352
- Filing date Dec 23, 1993
- Columbia Gas of Ohio, Inc.
- 39 - Transport
Information Trademark
74447430
- Serial number 74447430
- Registration number 1903042
- Filing date Oct 15, 1993
- Columbia Gas of Ohio, Inc.
- 39 - Transport

Columbia Gas of Ohio, Inc.

Organization

Patents Grantslast 30 patents

Method for measuring physical characteristics in a pipeline without...

Method and apparatus for measuring pressure in a pipeline without t...

Hot water storage

Method and apparatus for measuring pressure in a pipeline without t...

Generator for absorption heat pumps

Heat transfer apparatus for heat pumps

Acoustic tracing of buried conduits

Apparatus and process for measuring the magnitude of leaks

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

75628218 - YOUR ENERGY EDGE

75543425 - CUSTOMER CHOICE

75543417 - CUSTOMER CHOICE

75198293 - CHOICE

75187500 - CUSTOMERS HAVE OPTIONS IN CHOOSING ENERGY

74472595 - NATURAL CHOICE HOME

74447430