Patents
Sitemap › F16 - Engineering elements or units; General measures for producing and maintaining effective functioning of machines or installations; Thermal insulation in general › F16K - Valves; Taps; Cocks; Actuating-floats; Devices for venting or aerating › F16K 15 - Check valves
Patents for F16K 15 - Check valves (18,131)
11/1983
11/23/1983EP0094813A1 Check valve
11/16/1983EP0093783A1 Through-flow valve
11/15/1983US4415003 Control of fluid flow using a flexible disc
11/15/1983US4414973 Respirator face mask
11/15/1983CA1156906A1 Disc-type check valve
11/08/1983US4413645 Fluid swivel valve device
11/01/1983CA1156123A1 Auxiliary safety valve for a pressurized fluid system
10/1983
10/18/1983US4410107 Liquid dispensing pump
10/18/1983US4410007 Soft seal installation for feed water check valve
10/18/1983US4410006 Damper valve
10/18/1983US4409959 Solar energy water preheat system
10/12/1983EP0091164A1 Device passing a pressurized medium e.g. an adjustable flow rate limiter, a return valve or a flow rate meter
10/11/1983US4408632 High flow shroud check valve
10/11/1983US4408629 Valve modification for fluid pump valves
10/11/1983CA1155034A1 Reinforced plastic structure such as a valve
10/04/1983US4407325 Arcuate swing check valve
10/04/1983CA1154653A1 Back flow valve
09/1983
09/28/1983EP0089773A1 Channel valve
09/28/1983EP0089341A1 A sealing device for valves.
09/06/1983US4402342 Compressor valve
09/06/1983CA1153277A1 Monoflow ball valve and system
08/1983
08/30/1983US4401224 Feeding bottle for infants
08/30/1983CA1153114A1 Method of sensing malfunctions of check valve mounted in pipeline and apparatus therefor
08/16/1983US4398559 Valve member and assembly with inlet and outlet pressure relief grooves
08/16/1983CA1151972A1 Tubular safety element for closing a flow line
08/09/1983EP0076297A4 Back-pressure valve in particular for pipelines, for ensuring the one-way flow of the streaming medium.
08/02/1983US4396035 Back pressure valve
08/02/1983US4396034 Arcuate swing check valve
08/02/1983CA1151053A1 Check valve
07/1983
07/26/1983US4394945 Valve having suck-back feature
07/26/1983US4394939 Dispenser container for viscous fluids
07/26/1983CA1150588A1 Shunt valve
07/20/1983EP0083593A1 Valve used for the supply, the monitoring and taking of a medium contained in an implanted container.
07/19/1983US4393895 Check valve for use with high pressure pump
07/19/1983CA1150134A1 Check valve construction
07/05/1983US4391289 Check valve for rod out
07/05/1983US4391283 Incentive spirometer
06/1983
06/28/1983CA1148823A1 One-way valve for parenteral apparatus
06/17/1983EP0072800A4 Control of fluid flow.
06/14/1983US4387854 Non-return valve with a directional injector
06/14/1983US4387715 Shunt valve
06/08/1983EP0080628A1 Multiple sample needle valve
06/07/1983US4386890 Delivery valve assembly, especially for rotary compressors
05/1983
05/31/1983CA1147239A2 Velocity operated standing valve
05/31/1983CA1147238A1 Hydraulic valve for programme and remote switch over of pipelines
05/24/1983CA1146838A1 Plate valve
05/17/1983CA1146439A1 Check valve assembly
05/10/1983US4382901 Mass transfer equipment
04/1983
04/26/1983US4381019 Pressure responsive valve
04/13/1983EP0076297A1 Back-pressure valve in particular for pipelines, for ensuring the one-way flow of the streaming medium
04/05/1983CA1144035A1 Check valve and method of manufacturing said check valve
03/1983
03/30/1983EP0075097A1 Installation for producing compressed gas
03/02/1983EP0072800A1 Control of fluid flow.
02/1983
02/16/1983EP0072091A1 Valve having suck-back feature
02/16/1983EP0071735A2 Pressure gas filling device for filling air bags
02/15/1983US4373882 Discharge valve assembly for compressor
02/15/1983US4373550 Valve having a bias-mounted elastomeric sealing element, and method of constructing the same
02/15/1983US4373544 Check valve
02/03/1983WO1983000367A1 Valve used for the supply, the monitoring and taking of a medium contained in an implanted container
02/01/1983US4370876 Methods of constructing a one-piece roof vent device
02/01/1983CA1140420A1 Check valve
01/1983
01/25/1983US4369812 Control of fluid flow using precisely positioned disc
01/25/1983US4369809 Back-pressure valve for heating installations
01/25/1983US4369808 Disc-type check valve
01/25/1983CA1140024A1 Wafer-type swing check valve
01/18/1983US4368756 Check valve
01/04/1983CA1138743A1 Insert check valve or the like
01/04/1983CA1138742A1 Dual acting check valve dampener
12/1982
12/28/1982US4365648 Check valve
12/23/1982WO1982004471A1 Valves
12/21/1982US4364411 Liquid line thermal barrier
12/21/1982US4364408 Backflow prevention apparatus
12/07/1982US4362185 Seating arrangements for poppet or non return valves
12/07/1982US4362184 Valve with spring biased seal
12/01/1982EP0065593A1 Check valve
11/1982
11/30/1982US4361420 Gas flame torch system with flash arresters
11/23/1982US4360326 Oil lubricated vacuum pump including an oil separator disposed adjacent of its suction opening
11/11/1982WO1982003899A1 A sealing device for valves
11/10/1982EP0064427A1 Pressure regulating valve
11/09/1982US4357959 Back flow valve
11/09/1982US4357958 Non-return valves
11/09/1982CA1135009A1 Self-sealing valve and fluid fillable article including such a valve
11/02/1982US4356996 High pressure globe and check valve
10/1982
10/28/1982WO1982003673A1 Back-pressure valve in particular for pipelines, for ensuring the one-way flow of the streaming medium
10/26/1982US4355653 Vented check valve
10/19/1982US4354520 Pressure/demand exhalation valve
10/19/1982US4354492 Medical administration set with backflow check valve
10/19/1982CA1133789A1 Control rod drive mechanism vent valve assembly
10/13/1982EP0062187A1 Pneumatic tyre valve
10/12/1982US4353390 Swing check valve with internally balanced disc
10/06/1982EP0061650A2 Choker valve
10/05/1982US4352377 Compressor discharge valve
09/1982
09/30/1982WO1982003259A1 Spring-loaded valve
09/28/1982US4351358 Check-valve construction
09/28/1982CA1132430A1 Check valve construction
09/21/1982US4350179 Valve assembly with relief groove
09/21/1982CA1132030A1 Multiple inlet hingeless check valve
09/08/1982EP0059558A1 Improvements in or relating to relief valves for sanitation systems or the like
09/03/1982EP0051062A4 Check valve with removable seat.
09/02/1982WO1982002932A1 Control of fluid flow
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