Inventor
ROYAL JOHN HENRI
US30 patents
⚠️ This page may combine multiple inventors who share the name “ROYAL JOHN HENRI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PRAXAIR TECHNOLOGY INC
26 patentsUS6327866B1Dec 11, 2001
Food freezing method using a multicomponent refrigerant
PRAXAIR TECHNOLOGY INC116 citations98
US6065305AMay 23, 2000
Multicomponent refrigerant cooling with internal recycle
PRAXAIR TECHNOLOGY INC122 citations98
US6176102B1Jan 23, 2001
Method for providing refrigeration
PRAXAIR TECHNOLOGY INC143 citations97
US6644038B1Nov 11, 2003
Multistage pulse tube refrigeration system for high temperature super conductivity
PRAXAIR TECHNOLOGY INC31 citations93
US6604364B1Aug 12, 2003
Thermoacoustic cogeneration system
PRAXAIR TECHNOLOGY INC36 citations93
US6523348B1Feb 25, 2003
Work recovery from process involving steam generation
PRAXAIR TECHNOLOGY INC23 citations93
US6269658B1Aug 7, 2001
Cryogenic rectification system with pulse tube refrigeration
PRAXAIR TECHNOLOGY INC21 citations93
US6732536B1May 11, 2004
Method for providing cooling to superconducting cable
PRAXAIR TECHNOLOGY INC25 citations92
US6430938B1Aug 13, 2002
Cryogenic vessel system with pulse tube refrigeration
PRAXAIR TECHNOLOGY INC35 citations92
US6205812B1Mar 27, 2001
Cryogenic ultra cold hybrid liquefier
PRAXAIR TECHNOLOGY INC38 citations90
US7421856B2Sep 9, 2008
Cryogenic air separation with once-through main condenser
PRAXAIR TECHNOLOGY INC10 citations82
US8376718B2Feb 19, 2013
Multistage compressor installation
PRAXAIR TECHNOLOGY INC13 citations81
US7290396B2Nov 6, 2007
Cryogenic biological preservation unit
PRAXAIR TECHNOLOGY INC10 citations80
US6938426B1Sep 6, 2005
Cryocooler system with frequency modulating mechanical resonator
PRAXAIR TECHNOLOGY INC17 citations80
US7562534B2Jul 21, 2009
Cryogenic aerogel insulation system
PRAXAIR TECHNOLOGY INC14 citations78
US6742342B1Jun 1, 2004
System for cooling a power transformer
PRAXAIR TECHNOLOGY INC8 citations74
US6640557B1Nov 4, 2003
Multilevel refrigeration for high temperature superconductivity
PRAXAIR TECHNOLOGY INC8 citations74
US6588224B1Jul 8, 2003
Integrated absorption heat pump thermoacoustic engine refrigeration system
PRAXAIR TECHNOLOGY INC8 citations74
US6895765B2May 24, 2005
Method for providing cooling to superconducting cable
PRAXAIR TECHNOLOGY INC8 citations73
US6668581B1Dec 30, 2003
Cryogenic system for providing industrial gas to a use point
PRAXAIR TECHNOLOGY INC9 citations71
US7059138B2Jun 13, 2006
Biological refrigeration system
PRAXAIR TECHNOLOGY INC10 citations69
US7081802B2Jul 25, 2006
System for cooling a power transformer
PRAXAIR TECHNOLOGY INC4 citations63
US7143587B2Dec 5, 2006
Low frequency pulse tube system with oil-free drive
PRAXAIR TECHNOLOGY INC5 citations62
US7568353B2Aug 4, 2009
Method of storing biological samples
PRAXAIR TECHNOLOGY INC2 citations61
US7228686B2Jun 12, 2007
Cryogenic refrigeration system for superconducting devices
PRAXAIR TECHNOLOGY INC4 citations58
US7395675B2Jul 8, 2008
Superconducting cable cooling system
PRAXAIR TECHNOLOGY INC1 citations49