Patents for F16K 23 - Valves for preventing drip from nozzles (360)
01/2004
01/08/2004DE10225576A1 Thermisch gesteuerte Einrichtung zur Betätigung einer Ventilöffnung Thermally controlled device for actuating a valve opening
01/06/2004US6672517 Valve for fuel burner
10/2003
10/01/2003CN1122582C Interrupted coating equipment
09/2003
09/25/2003US20030178504 Suck back valve
06/2003
06/10/2003US6575429 Dripless hose bib
04/2003
04/09/2003CN1409806A Water containment and drainage device for activated sprinkler head
04/03/2003US20030062497 Dripless hose bib
02/2003
02/27/2003WO2003015928A1 Valve assembly design
02/26/2003EP1286092A1 Valve for liquid medium
02/20/2003US20030034072 Valve assembly design
01/2003
01/01/2003CN1097688C Method and system for preventing in continent drop
12/2002
12/19/2002WO2002100227A1 Apparatus for preparing a beverage suitable for consumption, such as coffee
11/2002
11/12/2002CA2105169C Valve
10/2002
10/03/2002US20020139818 Snuffback-diversion flow valve system
08/2002
08/21/2002EP1232354A1 Water containment and drainage device for an activated sprinkler head
07/2002
07/23/2002US6422434 Dispenser pumps
05/2002
05/15/2002CN1084856C Opening and closing valve
03/2002
03/27/2002CN1081769C Suck back valve
03/06/2002EP0835401B1 Liquid valve
01/2002
01/01/2002US6334554 Snuffback valve for hot melt adhesive
12/2001
12/25/2001US6332924 Photoresist dispensing device
12/05/2001CN1075880C Suck back valve
10/2001
10/31/2001EP1149258A1 System made of an oil pump and of a valve for oil burners
10/24/2001EP1147820A2 Snuffback valve for hot melt adhesive
10/24/2001CN1318701A Improved back suction valve for hotmelt
09/2001
09/26/2001CN2449993Y Metering fuel tank for vehicle
07/2001
07/18/2001EP1115500A1 Dispenser pumps
05/2001
05/08/2001US6227232 Water containment and drainage device for an activated sprinkler head
04/2001
04/26/2001WO2001029462A1 Water containment and drainage device for an activated sprinkler head
04/26/2001CA2387051A1 Water containment and drainage device for an activated sprinkler head
03/2001
03/13/2001US6200100 Method and system for preventing incontinent liquid drip
01/2001
01/23/2001US6176438 Suck back valve having sensor for detecting diaphragm displacement amount
08/2000
08/23/2000CN2392960Y Leakage-proof valve
08/23/2000CN1263798A Interrupted coating equipment and method
08/22/2000US6105832 High speed, no stringing, hot melt adhesive dispensing head
08/10/2000WO2000046549A1 System made of an oil pump and of a valve for oil burners
08/03/2000DE19903831A1 System aus einer Ölpumpe und einem Ventil für Ölbrenner System from an oil pump and a valve for oil burners
07/2000
07/25/2000US6092782 Opening and closing valve
07/04/2000US6082629 Photoresist suck-back device in manufacturing system for semiconductor devices
05/2000
05/04/2000DE19945349A1 Preventing droplet dripping from discharge of electric valve for semiconductor wafer coating with liq.
05/03/2000EP0997685A2 Nozzle connection for a pressurized oil atomisation burner and shut valve for such nozzle connection
04/2000
04/26/2000CN2375833Y Leakless water tap
04/19/2000CN2374712Y 截止阀 Shut-off valve
04/06/2000WO2000018513A1 Dispenser pumps
04/05/2000CN1249214A Method and system for preventing incontinent drop
03/2000
03/30/2000DE19938210A1 Suck back valve for use during semiconductor wafer processing controls pilot pressure fluid, flowing through ON/OFF valve based on comparison of detected amount variation and preset amount of variation
03/15/2000CN2369040Y Plunger stop valve
03/08/2000CN2367855Y Lever-piston type water valve
02/2000
02/29/2000US6029903 Suck back valve
12/1999
12/14/1999US6000629 Suck back valve with linear actuator and encoder arrangement
12/14/1999US6000581 Dispenser gun for viscous or semi-viscous products
12/08/1999CN2352787Y Joint for water taps
11/1999
11/24/1999CN1236069A Bottom turning durable leak-proof water valve
11/23/1999US5988524 Suck back valve with sucking amount control mechanism
11/17/1999CN2349418Y Improved water-cutting off ring model 2
11/09/1999US5979792 Suck back valve having diaphragm with thick walled section
10/1999
10/26/1999US5971296 Electric linear voice coil actuated suck back valve
10/19/1999US5967414 Suck back valve
09/1999
09/28/1999US5957152 Select valve purge
09/14/1999US5950924 Suck back valve
09/14/1999US5950923 Suck back valve
09/08/1999CN2337373Y Intermittent supply water anti-leakage automatic cutting-off valve
08/1999
08/17/1999US5938119 Suck back valve
08/03/1999US5931384 Suck back valve
07/1999
07/27/1999US5927605 Suck back valve
07/06/1999US5918810 Suck back valve
06/1999
06/02/1999CN2322001Y Energy-saving water tap
05/1999
05/19/1999CN2319645Y Stopping anti-dripping valve
04/1999
04/08/1999DE19744036A1 Mechanical electromagnetically operated dispenser for glue or paste products
04/06/1999US5890658 Nozzle closing valve, as well as pressure atomizer nozzle having such a nozzle closing valve
03/1999
03/30/1999US5887768 Apparatus for dispensing liquid with liquid retention
02/1999
02/11/1999DE19829793A1 Drip-preventing suction valve for semi-conductor liquid coating
02/04/1999DE19732498A1 Oil feed for burner
02/04/1999DE19732375A1 Spray can valve for pressurised polyurethane can
01/1999
01/20/1999CN1205408A Opening and closing valve
01/12/1999US5857661 Valve drive control method, valve drive control apparatus and fluid member supply apparatus
10/1998
10/28/1998CN1197174A Suck back valve
10/22/1998DE19811254A1 Reverse suction valve
10/22/1998DE19810657A1 Reverse suction valve
10/21/1998CN1196459A Suck back valve
10/20/1998US5824156 Intermittent coating apparatus, intermittent coating method and manufacturing method of battery electrodes, and non aqueous elecrolyte cell
10/06/1998US5816452 Dispenser gun for viscous or semi-viscous products
09/1998
09/30/1998EP0867649A2 Suck back valve
09/23/1998EP0866254A2 Suck back valve
09/16/1998EP0864792A2 Suck back valve
09/16/1998EP0864791A2 Suck back valve
09/09/1998EP0863346A2 Suck back valve
09/09/1998EP0863345A2 Suck back valve
07/1998
07/15/1998EP0853206A1 Suck back valve
04/1998
04/15/1998EP0835401A1 Liquid valve
03/1998
03/03/1998US5722455 Nozzle closing valve, as well as pressure atomizer nozzle having such a nozzle closing valve
01/1998
01/29/1998DE19614446C1 Grease gun check valve
11/1997
11/26/1997EP0808795A1 Metering valve
11/12/1997EP0806246A1 Nozzle shut off valve and pressure spray nozzle with such a valve
11/03/1997CA2202812A1 Nozzle closing valve, as well as pressure atomizer nozzle having such a nozzle closing valve
10/1997
10/29/1997EP0803670A2 Delayed check-throttle valve and a fluid spraying device using said valve
10/16/1997DE19614302A1 Anti-dribble fitting for tap or hose
08/1997
08/20/1997EP0790462A1 Nozzle connection for a pressurised oil atomisation burner and shut valve for such nozzle connection
07/1997
07/22/1997CA2106326C On/off valve capable of drawing back fluid when closed
05/1997
05/27/1997US5632412 Valve assembly and method for dispensing gelatinous materials
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