Patents by Inventor Hans Gerhard Dahm

Hans Gerhard Dahm 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).

  • Patent number: 6837340
    Abstract: The invention provides a compensation weight for an elevator system, in the form of an extended cable. The compensation weight comprises at least one carrying organ, at least one weighted element, wherein the weighted element contains a mixture of plastic material and at least one of a pulverized metal salt and a pulverized metal chalcogenide with a density about or greater than 2.3 g/cm3, and an extended, flexible sheath. According to another aspect, the invention provides a compensation weight for an elevator system, in the form of a flat cable. It comprises one or more weighted elements, one or more lengthily extended carrying organ, a flexible sheath, and a plurality of hollow spaces encased by said sheath for the reception of the one or more weighted elements and the one or more lengthily extended carrying organ. The at least one carrying organ and at least one weighted element are designed to be separately and respectively in different hollow spaces encased by the sheath.
    Type: Grant
    Filed: February 28, 2001
    Date of Patent: January 4, 2005
    Assignee: Datwyler AG
    Inventors: Juergen Strauss, Thomas Bauer, Hans Gerhard Dahm
  • Publication number: 20020046908
    Abstract: The invention provides a compensation weight for an elevator system, in the form of an extended cable. The compensation weight comprises at least one carrying organ, at least one weighted element, wherein the weighted element contains a mixture of plastic material and at least one of a pulverized metal salt and a pulverized metal chalcogenide with a density about or greater than 2.3 g/cm3, and an extended, flexible sheath. According to another aspect, the invention provides a compensation weight for an elevator system, in the form of a flat cable. It comprises one or more weighted elements, one or more lengthily extended carrying organ, a flexible sheath, and a plurality of hollow spaces encased by said sheath for the reception of the one or more weighted elements and the one or more lengthily extended carrying organ. The at least one carrying organ and at least one weighted element are designed to be separately and respectively in different hollow spaces encased by the sheath.
    Type: Application
    Filed: February 28, 2001
    Publication date: April 25, 2002
    Inventors: Juergen Strauss, Thomas Bauer, Hans Gerhard Dahm