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Class 137/269 - CONVERTIBLE


Subclass of Class 137 - Fluid handling
Definition: Apparatus so designed that its mode of operation can be
No. of patents: 377
Last issue date: 04/24/2012


                  10  
NumberTitleIssue Date
4011887Fluid power control apparatus
A fluid power control apparatus which comprises the unique combination of a control housing including a cylindrically shaped core member mounted in a sealed relationship within a receptacle member. A plurality of grooves or recesses generated in the outer...
03/15/1977
4006882Butterfly valve of large diameter
A butterfly valve of large diameter which comprises a body with a substantially cylindrical inner bore, internally lined with a ring that terminates at lateral flanks of the valve; a butterfly pivotally mounted in the body by means of valve spindles that ...
02/08/1977
4005727Abrasive control valve
A flow valve for controlling magnetizable abrasive fed to a centrifugal wheel which includes a tubular valve member pivotally mounted for rocking movement between open and closed position and a magnet disposed adjacent the outlet end of the valve for buil...
02/01/1977
3993091Manifold and valve system
A fluid control apparatus comprising a manifold and one or more valve assemblies adapted to be mounted on the manifold for controlling the flow of a pressure fluid. The manifold has a pair of main flow passages associated therewith, one being a supply pas...
11/23/1976
3990468Universal insert for fabrication of fluid logic elements
A universal logic body block includes a number of identical cavities having accompanying passageways of identical number and pattern. Each single cavity forms the basic housing for installation of various components to perform logic functions AND, OR, NOT...
11/09/1976
3989058Modular valve
A condition responsive valve construction having a first housing provided with an internal chamber and an inwardly directed shoulder projecting into the chamber and defining a first valve seat on one side thereof and a spring seat on the other side thereo...
11/02/1976
3985151Valve actuator
A valve actuator for converting linear motion to rotary motion comprising: a housing; a force transmitting member disposed in the housing responsive to pressure applied to one side thereof for travel between first and second terminal positions; a rod memb...
10/12/1976
3982554Electromagnetic flapper valve
An electromagnet is mounted on a ferromagnetic support member. A ferromagnetic flapper valve element arranged to control fluid flow from a nozzle orifice is movably mounted on the ferromagnetic support member and controllably moved by the electromagnet. T...
09/28/1976
3980111Fuel receiver
Disclosed is a fueling receiver adapted for connection to a tank. The receiver includes a body member which is affixable to the tank. Pivotally attached to the body member is a nipple member which includes a nipple for receiving a fuel nozzle and a fuel s...
09/14/1976
3967640Hydraulic control valve assembly with diverse circuit adaptability
A hydraulic control valve body is pre-cored for selective adaptation to provide a first valve assembly having two independent circuits or a second valve assembly having a single circuit with either a series-parallel or interrupted series function....
07/06/1976
3958592Safety shut-off valve
Pressurized fluid is controlled by a reverse valve gate on a valve stem that extends through annular packing in a bore of a bonnet to a piston in an outer control chamber. Control fluid pressure moves the piston inward to open the valve against line press...
05/25/1976
3951170Fluid control valve
A fluid control valve comprising a housing having at least two chambers separated by a wall. An opening is bored through the common wall of the two chambers and a tubular gate means sealably and slidably positioned in the bore so that it can move from one...
04/20/1976
3943971Diverter valve
The specification and drawings disclose a valve assembly particularly suited for use in septic systems for diverting flow from a single inlet to either of two separate outlets. The disclosed valve comprises a relatively thin-walled, blow molded plastic ho...
03/16/1976
3943961Cock unit for hydraulic systems, with interchangeable delivery spouts
A cock unit and particularly a single-control mixer wherein the outlet is formed by a union which is standardized with respect to a set of different delivery spouts, so that a single type of unit can be manufactured and stored, and then at the moment of i...
03/16/1976
3938777Control valves
Three flow control valves are described, each of which incorporates a sleeve having a double conical valve seat and at least one frusto-conical valve member mounted on a support stem in a valve bore between first and second ports. In the first and second ...
02/17/1976
3937244Condition responsive valve construction
A condition responsive valve construction having a housing provided with an inlet and an outlet leading to and from a chamber therein. A self-contained valve seat and movable valve member unit is removably disposed in the chamber to control the interconne...
02/10/1976
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