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Bernard J. Mottershead
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Federal Way, WA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Thermosiphon system for hot water heater
Patent number
10,794,614
Issue date
Oct 6, 2020
Bernard J Mottershead
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Thermosiphon system for hot water heater
Patent number
10,215,445
Issue date
Feb 26, 2019
Bernard J Mottershead
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Water heating tank with thermosiphonic circulation for improved hea...
Patent number
6,370,328
Issue date
Apr 9, 2002
Bernard J. Mottershead
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Electric water heating tank with thermosiphonic circulation for imp...
Patent number
4,777,347
Issue date
Oct 11, 1988
Bernard J. Mottershead
F24 - HEATING RANGES VENTILATING
Patents Applications
last 30 patents
Information
Patent Application
THERMOSIPHON SYSTEM FOR HOT WATER HEATER
Publication number
20190170399
Publication date
Jun 6, 2019
Bernard J. MOTTERSHEAD
F24 - HEATING RANGES VENTILATING