Patents by Inventor Denis C. Creissels

Denis C. Creissels 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).

  • Twin suspension/haulage cable gondola lift
    Patent number: 4509430
    Abstract: The invention relates to a continuous operation gondola lift with twin parallel suspension/haulage cables, between which the gondolas hang, connected to the cables by means of detachable grips. Inside the terminals the gondolas are disconnected from the cables and travel on transfer rails at reduced speed.
    Type: Grant
    Filed: June 6, 1983
    Date of Patent: April 9, 1985
    Inventor: Denis C. Creissels
  • Inclined lift
    Patent number: 4026388
    Abstract: The invention relates to an inclined elevator having a lift cage secured onto a carriage movable along a track in the form of a track beam mounted on supporting pylons spaced lengthwise the beam. The track beam comprises two spaced girders having each two superposed I sections. The carriage rollers run on the flanges of the I sections.
    Type: Grant
    Filed: May 19, 1976
    Date of Patent: May 31, 1977
    Inventor: Denis C. Creissels