Patents
Patents for F16K 5 - Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary (12,536)
09/1990
09/17/1990CA2011336A1 Device for shutting of pipelines for the transport of bulk products
09/13/1990DE3907103A1 Abgedichtete durchfuehrung einer welle durch eine lagerausnehmung Sealed passage of a wave through a bearing recess
09/12/1990EP0386460A2 Stop valve for pipelines transporting bulk goods
09/11/1990US4955581 Bellows sealed plug valve
09/06/1990CA2011236A1 Device for shutting off pipelines for the transport of bulk products
09/05/1990CN1045165A Method for sealing valve port
09/04/1990US4953587 Ball valves for pipelines
08/1990
08/30/1990DE3906219A1 Control valve
08/29/1990CN2061233U High temp. floating type ball valve
08/29/1990CN2061232U Automatic control liquid tap
08/22/1990CN2060838U Ball valve with full ceramic bush
08/22/1990CN2060837U Multi-purpose valve
08/22/1990CN1009308B Coal gas valve device
08/14/1990US4948095 Shut-off valve
08/14/1990US4947891 Fuel control device, fuel control system using the device and method of making the device
08/11/1990WO1990009538A1 Valve
08/11/1990CA2046322A1 Valve
08/08/1990CN1044522A Assembled valve capable of measuring heat-consumption
08/02/1990DE4002686A1 Ball valve - with ball seal rings embedded in bushes and made of specified plastic material
08/02/1990DE3901431A1 Fully plastic ball valve made from PTFE or a PTFE compound
07/1990
07/26/1990WO1990008278A1 Ball valve
07/25/1990EP0379233A1 Closing device
07/25/1990EP0378548A1 Ball valves for pipelines
07/25/1990CN2059700U Tap with leakage prevention during water cut-off
07/18/1990EP0378520A1 Ball valve with bi-directional lock ring
07/18/1990EP0378342A1 Valves having a turnable closure member such as a butterfly valve
07/18/1990EP0332831B1 Ball valve with casing, passage, ball cock and control spindle
07/17/1990WO1990008277A1 A ball valve and actuator for operating valves and the like
07/11/1990CN2059206U Water tap without dripping
07/10/1990US4940210 Ball valve
07/10/1990US4940208 Ball valve
07/04/1990EP0376502A2 Method for changing the characteristic curve of a regulation valve under pressure and a regulation valve
07/04/1990EP0375826A1 Ball valve
07/03/1990US4938453 Spring-loaded ball valve for controlling the flow of fluid therethrough
07/03/1990CA1271107A1 Ball valve
06/1990
06/27/1990EP0375533A1 Pig pipe-line for fluid distribution comprising a 3-way valve
06/27/1990EP0374343A1 Valve
06/26/1990US4936548 Rotary gate valve arrangement
06/26/1990US4936547 Eccentric ball valve
06/26/1990US4936546 Flow-setting valve
06/26/1990US4936545 Ball valve for refrigerating systems
06/19/1990US4934656 High-pressure ball valve
06/13/1990EP0373090A1 Cock equipped with a support seat for an operating device
06/13/1990EP0372117A1 Cock with a spherical metal or ceramic plug
06/12/1990US4932436 Ball valve
06/12/1990US4932432 Shutoff and flow-control valve
06/12/1990CA1270239A1 Valve structures
06/09/1990CA2005034A1 Spherical cock with ball-shaped metallic ceramic stopcock
06/07/1990DE3841026A1 Shut-off fitting in a housing lined with plastic
06/06/1990CN1042766A Self-venting spool valve assembly
06/05/1990US4930748 Shutoff and regulating valve
05/1990
05/30/1990CN2057718U Glass lining following ball valve
05/30/1990CN2057717U Combined cock valve
05/29/1990US4928921 Ball valves for pipelines
05/29/1990US4928731 Aircraft toilet tank filling valve assembly
05/29/1990US4928725 Combination plug and two-way check valve
05/29/1990CA1269651A1 Plug valve
05/23/1990CN1042404A Tracing ball valve for glass-enamelling
05/22/1990US4927116 Plug valve
05/16/1990CN2057252U Water frost valve
05/09/1990EP0366722A1 Fuel control device
05/08/1990US4923171 Gate valve having a secondary seal
05/08/1990US4922949 Rotary valve made of ceramics
05/02/1990CN2056717U 简易水龙头 Simple taps
04/1990
04/25/1990EP0365323A2 Device
04/25/1990CN1007750B Ball valve mounted through top
04/20/1990CA2001033A1 Device
04/19/1990WO1990004126A1 Valve
04/19/1990WO1990004123A1 Ball valve
04/19/1990DE3835144A1 Ball valve with a non-return device
04/17/1990US4917354 Dual action ball valve
04/17/1990US4917141 Remotely manipulatable valve
04/14/1990CA2000519A1 Valve
04/12/1990DE3832598A1 Split ball-valve ball with concentrically arranged pivoted flaps in the inlets and outlets of the double-L bore
04/11/1990EP0213128B1 Flow regulator
04/10/1990US4915133 Valve device for piping systems
04/04/1990CN2055553U Eccentric valve
03/1990
03/28/1990EP0360320A1 Device for remotely assembling a component
03/28/1990CN2055212U Temp. controlled automatic flow control valve
03/27/1990US4911413 Structure for fitting a valve seat support ring in a valve port
03/27/1990US4911409 Ball valve
03/27/1990US4911408 Seat assembly for ball valves
03/27/1990US4911407 Valve seat structure and assembly
03/27/1990CA1267127A1 Quarter-turn plug valve having adjustable bonnet and tapered raised valve seats
03/20/1990US4909478 Tap for drainage bag
03/20/1990US4909212 Electronically controlled type throttle valve for internal combustion engines
03/15/1990DE3830615A1 Ball valve
03/14/1990CN2054507U Energy-saving unit for tea-stove steaming rice
03/13/1990CA1266696A1 Dual locking and retracting nut for laboratory tubing
03/07/1990CN2054124U Fast assembling type ball valve
03/07/1990CN2054123U Filtering valve
03/07/1990CN1007081B Eccentric valve
02/1990
02/28/1990CN2053704U Dual position type electric globe valve
02/28/1990CN2053700U Right angle two position dual-way valve core
02/28/1990CN1040087A Drain through ball valve
02/22/1990WO1990001650A1 An operating mechanism for double regulating valves
02/21/1990CN2053227U Household water saver
02/21/1990CN1039886A High-efficient flow valve
02/20/1990US4901752 Apparatus for maintenance of ball valve
02/20/1990CA1266038A1 Ball valve with seat loading mechanism