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Ajit Ramachandran
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Fort Wayne, IN, US
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Patents Grants
last 30 patents
Information
Patent Grant
Vacuum sensor
Patent number
7,428,822
Issue date
Sep 30, 2008
Ritchie Engineering Company, Inc.
Ajit Ramachandran
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Compressor head, internal discriminator, external discriminator, ma...
Patent number
7,310,965
Issue date
Dec 25, 2007
Ritchie Engineering Company, Inc.
Ajit Ramachandran
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Compressor head, internal discriminator, external discriminator, ma...
Patent number
7,159,412
Issue date
Jan 9, 2007
Ritchie Engineering Company, Inc.
Ajit Ramachandran
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Compressor head, internal discriminator, external discriminator, ma...
Patent number
7,073,346
Issue date
Jul 11, 2006
Ritchie Engineering Company, Inc.
Ajit Ramachandran
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Compressor head, internal discriminator, external discriminator, ma...
Patent number
6,832,491
Issue date
Dec 21, 2004
Ritchie Engineering Company, Inc.
Ajit Ramachandran
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Compressor head, internal discriminator, external discriminator, ma...
Patent number
6,779,350
Issue date
Aug 24, 2004
Ritchie Enginerring Company, Inc.
Ajit Ramachandran
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Refrigerant recovery system case
Patent number
D449842
Issue date
Oct 30, 2001
Ritchie Engineering Company
Robert Borre
D15 - Machines not elsewhere specified
Patents Applications
last 30 patents
Information
Patent Application
Valve manifold assembly
Publication number
20070113575
Publication date
May 24, 2007
Ritchie Engineering Company, Inc.
Robert Borre
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Compressor head, internal discriminator, external discriminator, ma...
Publication number
20070017244
Publication date
Jan 25, 2007
Ritchie Engineering Company, Inc.
Ajit Ramachandran
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Compressor head, internal discriminator, external discriminator, ma...
Publication number
20060032257
Publication date
Feb 16, 2006
Ajit Ramachandran
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Single valve manifold
Publication number
20050126200
Publication date
Jun 16, 2005
Ajit Ramachandran
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Compressor head, internal discriminator, external discriminator, ma...
Publication number
20050092010
Publication date
May 5, 2005
Ritchie Engineering Company, Inc.
Ajit Ramachandran
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
COMPRESSOR HEAD, INTERNAL DISCRIMINATOR, EXTERNAL DISCRIMINATOR, MA...
Publication number
20050076718
Publication date
Apr 14, 2005
Ajit Ramachandran
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Compressor head, internal discriminator, external discriminator, ma...
Publication number
20040020233
Publication date
Feb 5, 2004
Ritchie Engineering Company, Inc.
Ajit Ramachandran
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Compressor head, internal discriminator, external discriminator, ma...
Publication number
20030188545
Publication date
Oct 9, 2003
Ritchie Engineering Company, Inc.
Ajit Ramachandran
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...