Class 138/127 - With metal

Subclass of Class 138 - Pipes and tubular conduits
Definition: Device including metal.
No. of patents: 203
Last issue date: 03/29/2011

Number	Title	Issue Date
3986341	Low heat-leak cryogenic envelope A plurality of cryogenic envelope sections are joined together to form a power transmission line. Each of the sections is comprised of inner and outer tubes having multilayer metalized plastic spirally wrapped within a vacuum chamber formed between the in...	10/19/1976
3982982	Hose construction A method of forming hose construction utilizing an aromatic polyester thermoplastic core and reinforcing means mechanically bonded about the core with the core portion in which the reinforcing means is embedded being substantially free of stress. A sheath...	09/28/1976
3967809	Linear fluidic actuator The specification describes a linear fluidic actuator comprising a plurality of expansible tubes or tubular envelopes closed at opposite ends and coupled in a chain and arranged to have one end of the chain anchored while the other end is adapted to move ...	07/06/1976

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