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J. Bruce Litchfield
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Champaign, IL, US
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Patents Grants
last 30 patents
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Patent Grant
Multi-purpose heat transfer and storage device
Patent number
11,982,494
Issue date
May 14, 2024
Sun Buckets Inc.
J. Bruce Litchfield
F28 - HEAT EXCHANGE IN GENERAL
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Patent Grant
Multi-purpose heat transfer and storage device
Patent number
11,808,525
Issue date
Nov 7, 2023
Sun Buckets Inc.
J. Bruce Litchfield
F28 - HEAT EXCHANGE IN GENERAL
Patents Applications
last 30 patents
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Patent Application
Multi-Purpose Heat Transfer and Storage Device
Publication number
20210318034
Publication date
Oct 14, 2021
SUN BUCKETS, INC.
J. Bruce Litchfield
F28 - HEAT EXCHANGE IN GENERAL