249272 ⎘
Fluid handling; Line condition change responsive valves; Direct response valves [i.e., check valve type]; Reciprocating valves; Weight biased; Valve body is the weight Ball valves
Sub-classes:Geometrical influence on non-flow-facing closing-body regions
#2Check valve for use in animal drinker systems
#3System and apparatus for controlling fluid flow in drainage systems
#4Valve seat and valve structure
#5Bypass valve
#6Hydraulically powered ball valve lift apparatus and method for downhole pump travelling valves
#7Combination flow control valve and reverse flow check valve
#8Backflow preventer valve
#9Automatic air evacuation appratus for swimming pool and spa filters
#10Shape-memory apparatuses for restricting fluid flow through a conduit and methods of using same
#11Switching valve to control a fluid subject to high pressure
#12Liquid discriminating vent valve
#13Fluid flow control members for use with valves
#14Check valve construction
#15Check valve unit for solid ink reservoir system
#16Filter case for shower having function of adjusting quantity of outflow of filling material
#17Check ball valve assembly with check ball guide
#18Combination flow control valve and reverse flow check valve
#19Device for bottling beverages
#20Pressure control valve
#21Valve cage for a pump
#22Liquid discriminating vent valve
#23Valve device
#24Reciprocating piston pump
#25Spring-less check valve for a handpiece
#26Fluid flow control members for use with valves
#27Check valve, and injector with hydraulic booster and check valve
#28Check valve unit for solid ink reservoir system
#29Method of manufacturing a check valve
#30Dual action low head isolation valve
#31Discharge valve for downhole pumps
#32Non-return valve with a ball-shaped valve body
#33Oval seal cartridge with no dirty drip
#34Check valve, infusion device using the same, and method of manufacturing the same
#35Cyclonic, debris removing valve and method
#36Deformable ball seat
#37Sewer and septic tank venting device
#38Ball non-return valve
#39High compression downhole pump
#40Irrigation system and shut-off control device therefor
#41Sucker rod pump with improved ball and seat
#42Backflow preventer valve
#43Apparatus and method for regulation of fluid flow from a straw
#44Fluid control device for a high pressure analytical instrument
#45Outlet check valve
#46Pressure control valve
#47Pressure control valve
#48Ultrasonically controlled valve
#49Ball check valve
#50Hollow ball valve assembly
#51Control valve for backwash prevention
#52Microfluidic check-valve embedded in LCP
#53Flow control device and system
#54Embedded microfluidic check-valve
#55Embedded microfluidic check-valve
#56Valve cage insert
#57One-way valve
#58Self-sealing one-piece vacuum fitting for bagging of composite materials
#59Dual ball valve air vent valve
#60Ball check for pressure test port
#61Ball check valve
#62Non-return valve for a petrochemical reactor
#63Fluid retaining apparatus with ball valve
#64Stored gas inflator with fill valve assembly
#65One-directional microball valve for a microfluidic device
#66System and apparatus for controlling fluid flow in drainage systems with a cage device