| Patents for F16K 3 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing (13,986) |
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| 01/16/1991 | CN2069510U Differential pressure oil-sealing wedge type elastic brake valve |
| 01/09/1991 | EP0407044A1 A shutter system |
| 01/09/1991 | EP0406447A1 Valve body for non-sliding gate valve |
| 01/09/1991 | EP0174354B1 Distributor valve |
| 01/02/1991 | EP0406046A1 Ceramic discs for valve and valve fitted with such discs |
| 01/02/1991 | CN2068625U Valve |
| 01/02/1991 | CN1011056B Guarantee valve for pressurized support movement |
| 12/27/1990 | WO1990015946A1 Gate valve |
| 12/26/1990 | CN2068180U Seal type gate plate serous valve |
| 12/19/1990 | EP0403355A1 Gate valve |
| 12/19/1990 | CN1047909A Method to make independent from piston wear fluid tight seal of inlet and outlet ports of fluid in hydraulic appliance |
| 12/18/1990 | US4978102 Aligning and seal ring retracting apparatus for plug type valve |
| 12/12/1990 | EP0401888A2 Hard material pair of discs for a screwed valve with extended operating field |
| 12/12/1990 | EP0401634A2 Metering valve for the metered delivery of color pigments particularly in apparatuses for mixing coloring substances |
| 12/12/1990 | EP0401306A1 A stop valve |
| 12/06/1990 | DE3918192A1 Gas regulation valve - has ceramic control element and aperture part suitable for corrosive media at relatively high |
| 12/05/1990 | EP0400482A2 Microvalve |
| 12/05/1990 | EP0400229A1 Gate valve |
| 12/05/1990 | EP0400152A1 Flow rate control valve device and flow force reduction structure |
| 11/27/1990 | US4972878 Firetruck valve |
| 11/20/1990 | US4971098 Valve and improved seat seal therefor |
| 11/20/1990 | CA1276610C Gate valve |
| 11/15/1990 | DE4013424A1 Modulated flow valve esp. for domestic refrigerator coolant - has plastically deformed portion of pipe around cylindrical axial section of sliding rod attracted by electromagnet |
| 11/15/1990 | DE3915584A1 Hydraulic throttle slide valve for winding gear - incorporates angled surfaces to control axial flow forces |
| 11/07/1990 | EP0396350A2 Switching valve for mixing hot and cold waters using lubricant tank |
| 11/07/1990 | CN1046779A Low-speed, high-torque gerotor motor and improved valving therefor |
| 11/06/1990 | US4968004 Shutoff and control valve |
| 11/06/1990 | US4967787 Unitized disc flow control assembly for a restrictor valve |
| 11/06/1990 | CA1275882C Damper plate sealing mechanism |
| 10/31/1990 | EP0395599A1 A passively actuated valve |
| 10/31/1990 | EP0394821A2 Valve for gerotor motor |
| 10/31/1990 | CN1010231B Operaitng gear for measuring valve |
| 10/30/1990 | US4966186 Cartridge valve |
| 10/27/1990 | CA2015686A1 Switching valve for mixing hot and cold waters using lubricant tank |
| 10/25/1990 | DE4011266A1 Slide valve for controlling flow of gas or liq. |
| 10/24/1990 | CN1046380A Mehtod for prolonging service life of dual-plate sluice valve and improving its reliability |
| 10/24/1990 | CN1046379A Cool-heat water "roving bottom" type valve with ceramic seal plate |
| 10/23/1990 | US4964432 Method and means for mounting valve member on valve stem |
| 10/23/1990 | CA1275396C Unitary bearing and locator assembly for rotatable valves |
| 10/18/1990 | WO1990012258A1 Airflow regulating valve |
| 10/17/1990 | EP0392440A1 Shut-off armature |
| 10/17/1990 | EP0392383A1 Sliding valve |
| 10/17/1990 | CN2063998U Sluice valve with gas spacer |
| 10/17/1990 | CN2063997U Rubber-lined sluice valve |
| 10/16/1990 | US4962912 Rate of flow control valve |
| 10/16/1990 | US4962785 Safety valves |
| 10/16/1990 | CA1275283C Gate valve |
| 10/16/1990 | CA1275265C Device for occluding an opening, and sliding gate having said device |
| 10/10/1990 | CN2063593U Double shut-off gate valve |
| 10/10/1990 | CN2063592U Tap joint capable of self-cut-off on water supply stop |
| 10/03/1990 | CN2063189U Individually auto-closed water-saving tap |
| 09/26/1990 | EP0389284A2 An isolation valve used in a single crystal pulling apparatus |
| 09/19/1990 | EP0387918A2 Method and apparatus for cleaning a valve sealing arrangement under dynamic stress |
| 09/18/1990 | US4957139 Low-noise nozzle valve |
| 09/18/1990 | US4957018 Mechanism for selectively locking and unlocking a translatable shaft |
| 09/18/1990 | CA1274087A1 Pivotal or rotary sliding gate valves |
| 09/12/1990 | CN2061997U Water-saving valve for water supply |
| 09/12/1990 | CN2061996U Magnetic sampling valve |
| 09/05/1990 | CN1045165A Method for sealing valve port |
| 09/04/1990 | US4953595 Mud pulse valve and method of valving in a mud flow for sharper rise and fall times, faster data pulse rates, and longer lifetime of the mud pulse valve |
| 08/29/1990 | EP0384607A2 Actuated gate valve with manual override |
| 08/28/1990 | US4951919 Seal for gate valve liners |
| 08/28/1990 | CA1273328A1 Dual stage hydraulic actuator for expanding gate valve |
| 08/23/1990 | WO1990009537A1 Main shut-off valve |
| 08/22/1990 | EP0383186A1 Guillotine dampers with blade sealing means accommodative of thermal expansion forces |
| 08/22/1990 | EP0382970A2 Gate valve with supplemental actuator |
| 08/22/1990 | CN2060836U Gate valve all-sealed and swelled in two sides |
| 08/22/1990 | CN1044845A Guillotine dampers with blade sealing means accommodative of thermal expansion forces |
| 08/21/1990 | US4949939 Gate valves with seat protectors |
| 08/16/1990 | DE3903781A1 Valve |
| 08/15/1990 | CN2060494U Plunger internal elevating valve |
| 08/13/1990 | CA2009818A1 Guillotine dampers with blade sealing means accommodative of thermal expansion forces |
| 08/11/1990 | WO1990009538A1 Valve |
| 08/11/1990 | CA2046322A1 Valve |
| 08/07/1990 | US4946134 Pair of cooperating disks to control the delivery of liquid in so-called "sc" valves |
| 08/02/1990 | DE3901632A1 Duct shut-off member |
| 08/01/1990 | CN1044327A Sealing & blocking method by freezing for liquid-transport pipe-line and its equipment |
| 07/31/1990 | US4944488 Gate valve |
| 07/31/1990 | US4944484 Gate valve with locking handles |
| 07/31/1990 | US4944330 Disk type valve |
| 07/26/1990 | WO1990008276A1 Lifting valve |
| 07/26/1990 | WO1990008275A1 Valve body for non-sliding gate valve |
| 07/25/1990 | EP0378589A1 Valve device. |
| 07/19/1990 | DE3915980C1 Shut-off slide housing - has removable lid, inlet and sealed outlet adjoined by slide plate and connected operating rod |
| 07/18/1990 | CN2059473U Water-saving valve |
| 07/17/1990 | CA1271673A1 Throttle valve control device |
| 07/11/1990 | CN2059205U Controlling device for unloading bulk cargo |
| 07/05/1990 | DE3844306A1 Hydrostatic differential lock for motor vehicles |
| 07/04/1990 | EP0376502A2 Method for changing the characteristic curve of a regulation valve under pressure and a regulation valve |
| 07/04/1990 | CN2058951U Safety energy-saving gate valve |
| 07/04/1990 | CN2058950U Water tap with direction changable, spray, splash-proof function |
| 07/03/1990 | CA1271181A1 Gate valve |
| 06/13/1990 | EP0373123A2 Pair of cooperating disks to control the delivery of liquid in so-called "screw" valves |
| 06/13/1990 | DE3913990C1 Liq. stop valve with cylindrical housing - which has end inlet and outlet, hollow valve seat, guide near inlet, and hollow valve plug |
| 06/13/1990 | CN2058223U Regulating valve for cinder delivery |
| 06/13/1990 | CN2058221U Magnetic sluice valve |
| 06/12/1990 | US4933569 Shut-off valve for sprayer |
| 06/12/1990 | US4932438 Valve provided with valve bodies made of a ceramic compound |
| 06/06/1990 | CN2057983U Mechanical structure automatic water-saving apparatus |
| 05/30/1990 | CN1008203B Method for coupling two plastic constructive parts |