249442 ⎘
Fluid handling; Systems; Sequentially progressive opening or closing of plural valves; Pressure equalizing or auxiliary shunt flow One valve seats against other valve [e.g., concentric valves]
Sub-classes:Valve for hydrogen tank of fuel cell vehicle
#2Vacuum valve
#3Valve body having primary and secondary stem guides
#4Internal valve system with valve inlet positioned relative to container feed inlet
#5Strainer assembly for internal valve
#6Valve body having primary and secondary stem guides
#7Valve assembly
#8Method and apparatus for passively controlling airflow
#9Valve assembly
#10Method of two-stage flow control
#11Gate valve with equalizer port
#12Fluid flow control members for use with valves
#13Two-stage, slow-start valve apparatus
#14Space-saving quick acting control valve for a steam turbine
#15Dual butterfly control valve and method of use
#16Valves capable of controlling valve-opening area
#17Nested valve and method of control
#18Solenoid valves capable of controlling valve-opening area
#19Redundant metal-to-metal seals for use with internal valves
#20Method and apparatus for passively controlling airflow
#21Valve assembly
#22Fluid flow control members for use with valves
#23Fluid flow control members for use with valves
#24Valve assembly and method for high temperature internal combustion engines
#25Shut-off valve
#26Methods and apparatus to determine a position of a valve
#27Surge prevention device
#28Method and apparatus for passively controlling airflow
#29Surge prevention device
#30Surge prevention device