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Patents
Intellectual Property Protection
Stirling Ultracold freezers and HUMM™ free-piston Stirling engines are protected by US and international patents.
Global Cooling free-piston Stirling engine patents
Intellectual Property Protection
Stirling Ultracold freezers and HUMM™ free-piston Stirling engines are protected by US and international patents.
Stirling Ultracold ultra-low freezers operate without costly refrigeration compressors or noisy cascade systems associated with ULT storage. Stirling Ultracold’s ULT freezers run an elegantly simple application that combines the Stirling Ultracold HUMM™ free-piston Stirling technology with a thermosiphon that contains no moving parts.
- US Patent 6,901,845
- Japanese Patent 3749651
- Brazilian Patent P10210295-1
- Chinese Patent ZL02819435.7
- German Patent DE 102 97 347 B4
- talian Patent 3749651
- US Patent 7,073,567 B2
- Japanese Patent 4151886
- Chinese Patent ZL02812539.8
- German Patent 102 97 119
- US Patent 6,550,255 B2
- Patent Application WO2003016795 A1 and WO2002077547 A1
- Patent Application WO2013055724 A1
- US Patent Application US20130088176 A1
- US Patent 8,615,993.
- Patent Application WO2011031616 A1
Model SU780XLE patents
The Model SU780XLE employs the M600 free-piston Stirling engine which is protected by US and international patents described herein.
Additional patents that apply to this product are listed here:
- US Patent 10,329,822 B2
Date of Patent: Jun. 25, 2019
The Model SU780UE employs the M600 Humm™ free-piston Stirling engine which is protected by US and international patents described herein.
Additional patents that apply to this product are listed here:
- US Provisional Patent 61/677,528 filed 07/31/2012
Model SU105UE patents
The Model SU105UE ultra-low freezer employs the Humm™ free-piston Stirling engine which is protected by US and international patents described herein.
Additional patents that apply to this product are listed here:
- US Provisional Patent 61/677,528 filed 07/31/2012
Shuttle model ULT25NEU patents
The Shuttle ultra-low freezer employs the M150A Humm™ free-piston Stirling engine which is protected by US and international patents described herein.
Additional patents that apply to this product are listed here:
- Japanese Patent 4352459
- US Patent 7,055,321
- India application 1236/DEL/2005
- Chinese Patent ZL10064868.9
- European Patent 1596144
- Japanese Patent 3607837