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Harry G. Nicoll
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Norwell, MA, US
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last 30 patents
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Patent Grant
Cryogenic refrigerator compressor with externally adjustable by-pas...
Patent number
4,799,359
Issue date
Jan 24, 1989
Helix Technology Corporation
Harry G. Nicoll
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Cryogenic refrigeration system having an involute laminated stator...
Patent number
4,761,960
Issue date
Aug 9, 1988
Helix Technology Corporation
Graham J. Higham
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Cryogenic refrigerator compressor with externally adjustable by-pas...
Patent number
4,718,442
Issue date
Jan 12, 1988
Helix Technology Corporation
Harry G. Nicoll
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Cryocooler having low magnetic signature
Patent number
4,606,194
Issue date
Aug 19, 1986
Helix Technology Corporation
F. William Pirtle
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Static seal device with plastically deformable metal for cryogenic...
Patent number
4,418,918
Issue date
Dec 6, 1983
Helix Technology Corporation
Harry G. Nicoll
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Split ring seal for cryogenic refrigerator
Patent number
4,355,519
Issue date
Oct 26, 1982
Helix Technology Corporation
John E. Kercheval
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...