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Hallowell International, LLC
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Organization
Bangor, ME, US
Business Address
110 HIDLRETH ST BANGOR ME 04401 207-990-5600
Mailing Address
110 HIDLRETH ST BANGOR ME 04401
State Location
ME
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Patents Grants
last 30 patents
Information
Patent Grant
Oil balance system and method for compressors connected in series
Patent number
8,075,283
Issue date
Dec 13, 2011
Hallowell International, LLC
David N. Shaw
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Oil balance system and method for compressors connected in series
Patent number
7,651,322
Issue date
Jan 26, 2010
Hallowell International, LLC
David N. Shaw
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Boosted air source heat pump
Patent number
RE39625
Issue date
May 15, 2007
Hallowell International, LLC
David N. Shaw
062 - Refrigeration
Patents Applications
last 30 patents
Information
Patent Application
DEFROST SYSTEM AND METHOD FOR HEAT PUMPS
Publication number
20100229575
Publication date
Sep 16, 2010
SHAW ENGINEERING ASSOCIATES, LLC
David N. Shaw
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
OIL BALANCE SYSTEM AND METHOD FOR COMPRESSORS CONNECTED IN SERIES
Publication number
20080283133
Publication date
Nov 20, 2008
HALLOWELL INTERNATIONAL, LLC
David N. Shaw
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
HEAT PUMP APPARATUS AND METHOD
Publication number
20080173034
Publication date
Jul 24, 2008
HALLOWELL INTERNATIONAL, LLC
David N. Shaw
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
OIL BALANCE SYSTEM AND METHOD FOR COMPRESSORS CONNECTED IN SERIES
Publication number
20080085195
Publication date
Apr 10, 2008
HALLOWELL INTERNATIONAL, LLC
David N. Shaw
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Trademark
last 30 trademarks
Information
Trademark
78943754 - OPTI-CYCLE
Serial number
78943754
Filing date
Aug 3, 2006
Hallowell International, LLC
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes