Patents by Inventor Karl-Heinz Protze

Karl-Heinz Protze 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).

  • Arrangement for detecting the presence of snow, ice and other freezing precipitation, particularly on railway track structures, and the like
    Patent number: 4051466
    Abstract: The arrangement includes at least one first and at least one second electrode positioned one above the other and spaced from each other in the vertical direction by at least one respective interelectrode gap which can be bridged over by snow, ice and other forms of freezing precipitation to produce an interelectrode gap resistance decrease. A detecting circuit is electrically connected across the electrodes and is operative for detecting the bridging of the interelectrode gap by snow, ice or other forms of freezing precipitation by detecting the interelectrode gap resistance decrease resulting therefrom.
    Type: Grant
    Filed: July 11, 1975
    Date of Patent: September 27, 1977
    Assignee: Eltra KG Leicht & Trambauer
    Inventor: Karl-Heinz Protze