Inventor
BILLINGHAM JOHN FREDRIC
US31 patents
⚠️ This page may combine multiple inventors who share the name “BILLINGHAM JOHN FREDRIC”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PRAXAIR TECHNOLOGY INC
28 patentsUS7871457B2Jan 18, 2011
Carbon dioxide production method
PRAXAIR TECHNOLOGY INC41 citations92
US6477847B1Nov 12, 2002
Thermo-siphon method for providing refrigeration to a refrigeration load
PRAXAIR TECHNOLOGY INC48 citations92
US6406518B1Jun 18, 2002
Gas separation process using ceramic membrane and regenerators
PRAXAIR TECHNOLOGY INC24 citations92
US6378332B1Apr 30, 2002
Packing with low contacting crimp pattern
PRAXAIR TECHNOLOGY INC20 citations92
US6101841AAug 15, 2000
Cryogenic rectification system with high strength and high capacity packing
PRAXAIR TECHNOLOGY INC21 citations92
US7524358B2Apr 28, 2009
Production of high purity and ultra-high purity gas
PRAXAIR TECHNOLOGY INC28 citations91
US6962629B2Nov 8, 2005
Method for moving contaminants from gases
PRAXAIR TECHNOLOGY INC28 citations90
US6212907B1Apr 10, 2001
Method for operating a cryogenic rectification column
PRAXAIR TECHNOLOGY INC28 citations90
US5799505ASep 1, 1998
System for producing cryogenic liquefied industrial gas
PRAXAIR TECHNOLOGY INC48 citations90
US6478290B2Nov 12, 2002
Packing for mass transfer column
PRAXAIR TECHNOLOGY INC23 citations89
US5752538AMay 19, 1998
Liquid distributor for packed columns
PRAXAIR TECHNOLOGY INC33 citations89
US6321567B1Nov 27, 2001
Structured packing system for reduced distillation column height
PRAXAIR TECHNOLOGY INC10 citations74
US6173586B1Jan 16, 2001
Cryogenic rectification system for producing very high purity oxygen
PRAXAIR TECHNOLOGY INC11 citations74
US5836174ANov 17, 1998
Cryogenic rectification system for producing multi-purity oxygen
PRAXAIR TECHNOLOGY INC12 citations74
US5740683AApr 21, 1998
Cryogenic rectification regenerator system
PRAXAIR TECHNOLOGY INC10 citations74
US5700403ADec 23, 1997
Distillation column employing structured packing which reduces wall flow
PRAXAIR TECHNOLOGY INC16 citations74
US5669236ASep 23, 1997
Cryogenic rectification system for producing low purity oxygen and high purity oxygen
PRAXAIR TECHNOLOGY INC17 citations74
US6295839B1Oct 2, 2001
Cryogenic air separation system with integrated mass and heat transfer
PRAXAIR TECHNOLOGY INC10 citations73
US5802872ASep 8, 1998
Cryogenic air separation with combined prepurifier and regenerators
PRAXAIR TECHNOLOGY INC15 citations73
US6272884B1Aug 14, 2001
Rapid restart system for cryogenic air separation plant
PRAXAIR TECHNOLOGY INC10 citations72
US7064834B2Jun 20, 2006
Method for analyzing impurities in carbon dioxide
PRAXAIR TECHNOLOGY INC10 citations71
US6578829B2Jun 17, 2003
Packing for mass transfer column
PRAXAIR TECHNOLOGY INC6 citations70
US7097689B2Aug 29, 2006
Process and system for purifying gases
PRAXAIR TECHNOLOGY INC5 citations68
US6314756B1Nov 13, 2001
Structured packing with asymmetric crimp pattern
PRAXAIR TECHNOLOGY INC2 citations63
US6192706B1Feb 27, 2001
Cryogenic system for producing carbon monoxide
PRAXAIR TECHNOLOGY INC3 citations61
US6212906B1Apr 10, 2001
Cryogenic reflux condenser system for producing oxygen-enriched air
PRAXAIR TECHNOLOGY INC2 citations60
US7479621B2Jan 20, 2009
Magnetic annealing tool heat exchange system and processes
PRAXAIR TECHNOLOGY INC5 citations59
US5950455ASep 14, 1999
Cryogenic air separation system for feed air flow disturbances
PRAXAIR TECHNOLOGY INC2 citations59