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David S. Lamb
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Haliburton, CA
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Patents Grants
last 30 patents
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Patent Grant
Geothermal energy transfer system
Patent number
9,816,732
Issue date
Nov 14, 2017
Heat-Line Corporation
Lorne R. Heise
F24 - HEATING RANGES VENTILATING
Patents Applications
last 30 patents
Information
Patent Application
Geothermal Energy Transfer System
Publication number
20150233608
Publication date
Aug 20, 2015
Heat-Line Corporation
Lorne R. HEISE
F24 - HEATING RANGES VENTILATING
Information
Patent Application
ENERGY TRANSFER UNIT
Publication number
20130075067
Publication date
Mar 28, 2013
Heat-Line Corporation
Lorne R. HEISE
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
Control for Geothermal Heating System
Publication number
20120211195
Publication date
Aug 23, 2012
Lorne R. Heise
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
Geothermal Energy Transfer System
Publication number
20120043052
Publication date
Feb 23, 2012
Heat-Line Corporation
Lorne R. Heise
F28 - HEAT EXCHANGE IN GENERAL