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