Patents for F16K 27 - Construction of housings; Use of materials therefor (22,135)
09/1980
09/30/1980US4225115 Gate valve
09/30/1980US4224961 Tubular element for passing flowable media
09/23/1980CA1086248A1 End closures for cylindrical pressure vessels
09/09/1980US4221862 Method of producing finely divided polymer particles
09/09/1980US4221358 Positive clapper outlet valve
09/03/1980EP0014837A1 Method for producing valve-housings from metal and apparatus for producing a valve-housing
08/1980
08/26/1980CA1084476A1 Butterfly valve and method of making same
08/19/1980US4217933 Diverter valve for septic systems
08/06/1980EP0014129A1 Valve for a polluting or dangerous fluid that can be operated and demounted from a distance
08/05/1980US4215721 Modular multiple-fluid component selection and delivery system
07/1980
07/29/1980US4214732 Side-split ball valve construction
07/29/1980US4214730 Chemically inert control valve
07/29/1980US4214608 Apparatus for opening and closing a fluid conduit
07/23/1980EP0013526A1 Valves removable from a distance
07/22/1980US4213595 Butterfly valve
07/22/1980CA1082263A1 Modular dash control valve manifold
07/15/1980US4212448 Shut-off valve
07/15/1980US4212447 Operating handle for bottom operated railway tank car valve
07/01/1980US4210167 Emission-free valve
06/1980
06/24/1980US4209485 Method of making a valve apparatus
06/24/1980US4209163 Dump valve assembly
06/24/1980US4209036 Adapter for bottom operable tank car valve
06/24/1980CA1080196A1 Semi-lug wafer type butterfly valve
06/10/1980US4206904 Ball valve
06/10/1980US4206778 Rotary valve assembly having a dual purpose valve element
06/10/1980CA1079254A1 Metering valve
05/1980
05/27/1980US4204784 Tools for reconditioning a valve seat in a tap
05/20/1980CA1077913A1 Valve housing with removable self-contained valving unit
05/14/1980EP0010614A1 Method of fabricating valve housings with the highest degree of security applicable for example in a nuclear reactor
05/13/1980US4202769 Method for separating serum or plasma from the formed elements of blood
04/1980
04/29/1980CA1076540A1 Tight shutoff butterfly valve
04/15/1980US4198032 Bottom operable tank car lading valve assembly which does not require a skid
04/15/1980US4197876 Fluid valve
04/15/1980CA1075421A1 Fluid flow control valves
04/08/1980US4196745 Flap valve
04/01/1980US4195813 Valve
04/01/1980CA1074661A1 Valves
03/1980
03/25/1980US4194523 Loading and unloading valves
03/04/1980US4191216 Fabricated orifice fitting mechanism for pipelines
02/1980
02/19/1980US4189385 Method and apparatus for separating serum or plasma from the formed elements of the blood
02/12/1980US4188012 Butterfly valve construction
02/12/1980US4187881 Cone valve assembly
01/1980
01/29/1980US4185807 Plastic valve
01/23/1980EP0006929A1 Protective hood for valves with hand wheels
01/22/1980US4184663 Combination tank car valve skid and valve seat
01/15/1980US4183500 Control valves
01/08/1980US4182375 Spool-sleeve type change-over valve
12/1979
12/25/1979US4180542 Methods for making molded plug and plug valve
12/25/1979US4180244 Stopcock formed of sheet metal
12/25/1979US4180242 Bottom operable tank car lading valve with minimum skid protection for retrofit
12/18/1979US4178665 Method of making a fabricated gate valve
12/11/1979US4177972 Cocks having rotating manipulation spindles
11/1979
11/28/1979EP0005584A1 Side-split ball valve construction
11/20/1979US4174730 Housing for air service units
11/13/1979CA1066261A1 Cylindrical gate valve body
11/13/1979CA1066260A1 Valve body and method of forming same
10/1979
10/30/1979US4172583 Molded valve
10/23/1979US4172112 Method for molding a cover of synthetic resin powder material on a core of irregular surface configuration
10/23/1979US4171711 Plug valve construction
10/23/1979CA1064888A1 Seal assembly for valves
09/1979
09/11/1979US4167200 Distribution device for a pneumatic installation
09/11/1979US4167195 Valve
08/1979
08/28/1979US4165659 Valve hand wheel cover
08/21/1979US4165064 Gate valve
08/21/1979US4164959 Metering valve
08/14/1979US4164241 Bleed screw cap
08/08/1979EP0003375A1 Distribution valve and mounting device therefor
07/1979
07/24/1979US4161958 Fixture assembly for removing operating assembly from bottom operable tank car valve while closure portion remains in closed position in the tank
07/17/1979US4161187 Erosion resistant control valve
07/10/1979CA1058139A1 Flow control valve for hot pitch or other viscous material
06/1979
06/26/1979CA1057271A1 Seat ring notch for gate valve guide rail
06/26/1979CA1057269A1 Sealing member for valve stems
06/19/1979US4158453 Bottom operable tank car valve
06/19/1979CA1056696A1 Modular control valve
06/12/1979CA1056141A1 Method of assembling thermoplastic valves
04/1979
04/24/1979US4150810 Machine welded obturator
04/19/1979WO1979000204A1 Protective hood for valves with hand wheels
04/10/1979US4148458 Tight shutoff butterfly valve
04/03/1979US4147517 Three-way-valve
04/03/1979US4147326 Non-spherical ball valve
04/03/1979US4147184 Adjustable valve
03/1979
03/27/1979CA1051410A1 Double disc gate valve with replaceable spacer ring
03/20/1979CA1050954A1 Plug valve construction
03/13/1979CA1050453A1 Bottom operable air inlet and outlet valve
03/13/1979CA1050392A1 Non-rise faucet assembly
03/13/1979CA1050391A1 Manifold and valve system
03/06/1979US4142708 Valve and seal
02/1979
02/27/1979US4141538 Seal assembly for valves
02/27/1979US4141535 Bottom operable tank car valve assembly having shear plane
02/27/1979US4141378 Pressure pipeline structure and method
02/27/1979CA1049481A1 Non-spherical ball valve
02/20/1979CA1048988A1 Hydraulically balanced remote controlled emergency valve for storage tank
02/13/1979US4139202 O-ring retainer cap and valve protector
02/13/1979US4139020 Modular dash control valve manifold
02/13/1979US4139016 Tamperproof hydrant lock with controlled shock absorber
02/13/1979CA1048479A1 Machine welded spherical obturators for rotary plug valves
02/06/1979US4138126 Adjustable packing assembly
02/06/1979US4137937 Adapter for bottom operable tank car valve
02/06/1979US4137934 Valve construction
01/1979
01/16/1979CA1046478A1 Valve assembly having adapter means