|
US3553972A
|
|
Cryogenic recovery of hydrogen from ammonia synthesis gas
|
|
DE1669328A1
|
|
Gas cleaning process for natural gas liquefaction plants
|
|
US3360944A
|
|
Gas liquefaction with work expansion of major feed portion
|
|
US3095294A
|
|
Gas separation process and system
|
|
US3114205A
|
|
Apparatus for simultaneous flame cutting and marking of profiled sheet metal
|
|
US3021598A
|
|
Apparatus for guiding a photoelectric cell sensor in a circular path of adjustable radius
|
|
US3073962A
|
|
Photoelectric tracer apparatus employing a second photoelectric cell for path reversal
|
|
US3069550A
|
|
Photoelectric tracer apparatus employing side by side photoelectric cells
|
|
US3037359A
|
|
Rare gas recovery process
|
|
US2924078A
|
|
Process and apparatus for producing liquid oxygen
|
|
US2907176A
|
|
Apparatus for vaporizing normally gaseous material from liquefied form
|
|
US2763138A
|
|
Process and apparatus for separating gases
|
|
US2784560A
|
|
Process and apparatus for storing and shipping liquefied gases
|
|
CA582401A
|
|
Process and apparatus for producing liquid oxygen by fractionating gaseous mixtures
|
|
CA544481A
|
|
Separation of gases with heat exchange
|
|
CA558878A
|
|
Process and apparatus for storing and shipping liquefied gases
|
|
CA596556A
|
|
Apparatus for vaporizing normally gaseous material from liquefied form
|
