Patents by Inventor William R. Johanek

William R. Johanek 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: 9738499
    Abstract: A trolley for a lift assembly is disclosed. The trolley includes a drive portion and a lift portion separable from the drive portion. The lift portion includes one or more fittings configured to hold one or more wire ropes for raising and lower a platform hitched to the wire ropes. The drive portion is connectable to a drive assembly to move the drive portion and lift portion along a lift stroke. Pairs of trolleys are interconnected via tension lines or wires connected to the lift portions of the trolleys. The lift portions are configured to move independent of the drive portions through lift provided via the interconnection of the lift portions through the tension lines or wires.
    Type: Grant
    Filed: April 27, 2012
    Date of Patent: August 22, 2017
    Assignee: PAR SYSTEMS, INC.
    Inventors: Noel Gabriel Plamondon, William R. Johanek
  • Publication number: 20120298936
    Abstract: A trolley for a lift assembly is disclosed. The trolley includes a drive portion and a lift portion separable from the drive portion. The lift portion includes one or more fittings configured to hold one or more wire ropes for raising and lower a platform hitched to the wire ropes. The drive portion is connectable to a drive assembly to move the drive portion and lift portion along a lift stroke. Pairs of trolleys are interconnected via tension lines or wires connected to the lift portions of the trolleys. The lift portions are configured to move independent of the drive portions through lift provided via the interconnection of the lift portions through the tension lines or wires.
    Type: Application
    Filed: April 27, 2012
    Publication date: November 29, 2012
    Applicant: PaR Systems, Inc.
    Inventors: Noel Gabriel Plamondon, William R. Johanek
  • 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
  • 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