Patents by Inventor Andrew M Van Slett

Andrew M Van Slett 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).

  • Publication number: 20180237262
    Abstract: Methods for inspecting a cable mounted device for an elevator are disclosed. The cable mounted device comprises a housing (13), an entry hole (12) for a cable, and an exit hole for the cable, and a cable actuation mechanism inside the housing (13). The method comprises inspecting the cable actuation mechanism using an endoscope. Cable mounted devices having an additional inspection hole in the housing (13) for entry of an insertion tube of an endoscope and the use of an endoscope for the visual inspection of cable mounted devices of an elevator are also disclosed.
    Type: Application
    Filed: August 7, 2016
    Publication date: August 23, 2018
    Inventor: Andrew M. van SLETT
  • Patent number: 9476804
    Abstract: An apparatus and method for testing a lift in the tower of a wind turbine comprising a pneumatic fixture that is placed in the tower and attached to the lift. The pneumatic fixture has a pneumatic cylinder which is attached to the floor. In one embodiment, the cylinder is attached to the strap which is attached to the lift. In another embodiment, the cylinder is attached directly to the lift. The claimed method is a method for testing the safety breaking system in the lift using the pneumatic fixture.
    Type: Grant
    Filed: November 18, 2013
    Date of Patent: October 25, 2016
    Assignee: Avanti Wind Systems, Inc.
    Inventor: Andrew M Van Slett