Patents for F16K 27 - Construction of housings; Use of materials therefor (22,135) |
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09/01/1981 | US4286616 Non-freeze wall hydrant |
09/01/1981 | US4286364 Method of orifice fitting mechanism for pipelines |
09/01/1981 | CA1107946A1 Refacing tool for valve seats |
08/25/1981 | US4285500 Stud block for an eccentric rotary valve |
08/25/1981 | US4285498 Control valves |
08/25/1981 | US4285361 Slow closing faucet |
08/18/1981 | CA1107264A1 Low and high operating temperatures valve |
08/12/1981 | EP0033701A2 Screw activated conical valve for fluid flow regulation |
08/11/1981 | CA1106727A1 Slow closing faucet |
08/04/1981 | US4281796 Bathroom mixing device |
08/04/1981 | US4281683 Modular multiple-fluid component selection and delivery system |
08/04/1981 | US4281680 Swing check valve construction |
07/28/1981 | US4280679 Dually-operated tank car bottom unloading valve |
07/28/1981 | US4280527 Fluid control valve and support assembly |
07/15/1981 | EP0032038A1 Improved rotary plug valve |
07/15/1981 | EP0032037A1 Valve assembly |
07/14/1981 | US4278235 Male ended valve |
07/14/1981 | US4278108 Control mechanism for two cut-off devices mounted in series |
07/07/1981 | US4277046 Irrigation valve |
07/07/1981 | US4276905 Mechanism including two cut-off devices in series |
07/07/1981 | US4276903 Control valve |
07/07/1981 | CA1104459A1 Multiple function four poppet valve system |
06/23/1981 | US4274436 Wafer-type swing check valve construction |
06/23/1981 | CA1103646A1 Housing for gate valves |
06/16/1981 | US4273153 Vibration resistant pressure actuated vacuum breaker |
06/16/1981 | US4273148 Stem seal for a fire safe ball valve |
06/09/1981 | US4272057 Valve and fastener therefor |
06/09/1981 | US4272053 Combination top operable and bottom operable tank lading valve assembly |
06/03/1981 | EP0029741A2 A method of forming a valve body section with integral hub and making a valve body using such body sections |
06/02/1981 | US4270729 Top operated tank car clapper value |
06/02/1981 | US4270559 Method for installing an adjustable flow restricting valve member in a tubular pipe, and a valve device for utilization of the method |
05/27/1981 | EP0029225A1 Digital fluid flow control apparatus |
05/26/1981 | US4269387 Needle valve and method of manufacturing a needle valve |
05/26/1981 | US4269220 Tank valve mounting arrangement |
05/19/1981 | US4268010 Operating handle for bottom operated railway tank car valve |
05/19/1981 | US4267862 Directional control valve with flow path through valve spool |
05/12/1981 | US4266580 Loading and unloading system for tank car trains |
05/12/1981 | US4266570 Angle valve |
05/12/1981 | US4266320 Faucet extender |
05/05/1981 | US4265427 Spherical sealtight valve for fluids |
05/05/1981 | CA1100466A1 Ball valve |
04/29/1981 | EP0027765A1 Ball-valve and processes for its manufacture |
04/29/1981 | EP0027475A1 Improved tap washers |
04/28/1981 | US4264053 Top operated outlet valve with unitary closure guide and retainer |
04/28/1981 | US4263940 Mixing valve |
04/21/1981 | US4262699 Sanitary fitting |
04/21/1981 | CA1099763A1 Loading and unloading valves |
04/15/1981 | EP0026881A1 Valve |
04/14/1981 | CA1099241A1 Bottom operable tank car valve assembly which does not require a skid |
04/07/1981 | US4260134 Skirted hub with full penetration butt weld to body |
04/07/1981 | US4260131 Low and high operating temperatures valve |
04/07/1981 | US4259979 Closure fixture and assembly cap |
04/07/1981 | CA1098967A1 Thermostatically controlled fluid valve for microwave devices |
04/07/1981 | CA1098796A1 Container corner-valve |
03/24/1981 | US4257572 Valve with internal accumulator and check valve |
03/17/1981 | CA1097604A1 Combination top operable and bottom operable tank lading valve assembly |
03/10/1981 | CA1097306A1 Skirted hub with full penetration butt weld to body |
03/10/1981 | CA1097305A1 Valve for opening and closing a fluid conduit |
03/03/1981 | US4253488 Retainer for threaded coupling elements |
02/25/1981 | EP0024213A1 Swing check valve |
02/25/1981 | EP0024209A1 Fluid flow control valves |
02/24/1981 | US4252140 Valve gravity-controlled in dependence upon the flight attitude of an aircraft |
02/17/1981 | US4251054 Valve |
02/17/1981 | US4251049 Tank valve apparatus |
02/03/1981 | US4248263 Digital fluid flow control apparatus |
01/28/1981 | EP0023133A1 Plastics butterfly valve |
01/27/1981 | US4247133 Device with mounting plates for a valve battery |
01/13/1981 | US4244556 Valves or the like |
01/13/1981 | US4244394 Cold weather faucet insulation apparatus and fastening means therefor |
01/13/1981 | CA1093531A1 Ball valve |
01/13/1981 | CA1093345A1 Fluid test device |
01/06/1981 | US4243204 Valve housings made from steel, especially for gate valves |
12/30/1980 | US4241759 Slow closing faucet |
12/30/1980 | CA1092470A1 Liquid sampling device |
12/23/1980 | US4240469 Reversing valve construction and parts therefor and methods of making the same |
12/23/1980 | US4240462 Recessed valve |
12/16/1980 | US4239710 Device for checking random adjustment of adjustable parts of carburetor |
12/16/1980 | US4239183 Handle assembly for bottom outlet valve |
12/16/1980 | US4239060 Automatic air inlet and outlet valve assembly having upper chamber opening |
12/16/1980 | US4239059 Automatic air inlet and outlet valve assembly |
12/16/1980 | US4239056 Valve service box having means for securing different sized valves against rotation |
12/09/1980 | US4238048 Plug seal |
12/09/1980 | US4237933 Reversing valve construction and parts therefor and methods of making the same |
12/09/1980 | US4237927 Automatic air inlet and outlet valve assembly |
11/26/1980 | EP0019496A1 Butterfly valve and process for making same |
11/25/1980 | US4235418 Ball valve having metal seat rings |
11/25/1980 | US4235003 Method of manufacture of a ball valve |
11/18/1980 | US4234162 Valves for the control of pressure fluid |
11/18/1980 | US4234160 Operating handle for bottom operated tank car valve having movable connection portion |
11/18/1980 | US4234159 Combination tank car valve skid and valve seat in which end portions on the skid are attached to the tank with fasteners which do not require stress relieving of the tank |
11/18/1980 | US4234158 Combination tank car valve skid and valve seat wherein the skid is welded to the valve seat |
11/18/1980 | US4234011 Plug valve construction |
11/18/1980 | US4234010 Self-cleaning dump valve for chemical reactor tank |
11/12/1980 | EP0018838A1 Valves having removable seats |
11/04/1980 | US4231391 Cannister mounting bracket |
10/29/1980 | EP0017663A1 Method of producing an one-piece valve box |
10/28/1980 | US4230301 Valve |
10/28/1980 | CA1088493A1 Gate valve |
10/21/1980 | US4228817 Valve construction having multiple piston means |
10/14/1980 | CA1087573A1 Valve apparatus and method of making same |