Patents by Inventor Heinrich Eichenseher

Heinrich Eichenseher has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method of recovering non-ferrous metal conductors from a telecommunication cable laid in the earth
    Patent number: 4018058
    Abstract: A method of recovering non-ferrous metal conductors from a sheathed cable laid in the earth comprising excavating the earth at spaced intervals, such as 20 to 50 meters, along the cable, severing the cable, stripping off the sheath to expose the conductors adjacent the severed end or ends, and withdrawing the severed conductor length by supplying a pulling force to a severed end.
    Type: Grant
    Filed: January 14, 1976
    Date of Patent: April 19, 1977
    Inventors: Heinrich Eichenseher, Wolfgang Eichenseher