Patents by Inventor Dale Hengel

Dale Hengel 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).

  • Lift system for an elevator
    Patent number: 8316786
    Abstract: A lift assembly is provided for a platform such as used on a ship. The platform can have four spaced apart hitch points. In one embodiment, the lift assembly includes four trolley drive assemblies, each trolley drive assembly including a trolley guidable along a guide rail, and a drive configured to displace the trolley along the guide rails, each trolley being coupled to at least one hitch point. In a second embodiment, a tension leveling assembly is provided in a trolley drive assembly and is configured to couple each of the wire ropes to the trolley and maintain substantially the same amount of tension in each wire rope. In a third embodiment, the lift assembly can be provided on a ship that also includes a vessel for holding water.
    Type: Grant
    Filed: February 22, 2010
    Date of Patent: November 27, 2012
    Assignee: Par Systems, Inc.
    Inventors: William R. Johanek, Dale Hengel
  • LIFT SYSTEM FOR AN ELEVATOR
    Publication number: 20100212569
    Abstract: A lift assembly is provided for a platform such as used on a ship. The platform can have four spaced apart hitch points. In one embodiment, the lift assembly includes four trolley drive assemblies, each trolley drive assembly including a trolley guidable along a guide rail, and a drive configured to displace the trolley along the guide rails, each trolley being coupled to at least one hitch point. In a second embodiment, a tension leveling assembly is provided in a trolley drive assembly and is configured to couple each of the wire ropes to the trolley and maintain substantially the same amount of tension in each wire rope. In a third embodiment, the lift assembly can be provided on a ship that also includes a vessel for holding water.
    Type: Application
    Filed: February 22, 2010
    Publication date: August 26, 2010
    Applicant: PaR Systems, Inc.
    Inventors: William R. Johanek, Dale Hengel