Class 236/103 - Conduit

Subclass of Class 236 - Automatic temperature and humidity regulation
Definition: Devices in which the thermostat of the expanding-solid type
No. of patents: 4
Last issue date: 08/09/2011

Number	Title	Issue Date
7992795	Shape memory alloy actuator A shape memory alloy (SMA) actuator for engaging and actuating a device. The actuator includes an engagement mechanism, a bias element, and a SMA object(s). The SMA actuator may automatically and passively transfer to a backup or redundant feature that resets or ext...	08/09/2011
4852601	Thermally-activated drip valve A self-actuating drip valve for attachment to a standard outdoor faucet for the prevention of freezing of such exposed faucets and water pipes leading to the faucet. A tube includes a collar at one end for securing to the end of the faucet. A stem extends...	08/01/1989
4429552	Refrigerant expansion device A refrigerant expansion device for use in a vapor compression refrigeration system is disclosed. The device has a body portion with a bore extending therethrough. At least that portion of the body portion which forms the bore walls is made of a shape memo...	02/07/1984
4422769	Mixing apparatus for two flowing liquids Mixing apparatus for two liquids such as cold and hot water having separate annular inlets (5, 6), spaced apart, for both of the liquids and provided with an external (7, 8, 9, 10) and internal (13, 14) guides for directing one liquid to the inlet (6) of ...	12/27/1983

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