Patents by Inventor David Ruskauff

David Ruskauff 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).

  • Method of indicating a railway switch status
    Patent number: 10384700
    Abstract: A method for indicating a status of a railroad switch is configured for use in un-signaled (dark) territory utilizing vital audio messages. In one embodiment, the method comprises receiving a DTMF signal from a railway vehicle, initializing control of the switch, and triggering the reporting of a correspondence condition through vital relays or other electronic components.
    Type: Grant
    Filed: February 13, 2017
    Date of Patent: August 20, 2019
    Assignee: Vossloh Signaling USA, Inc.
    Inventors: David Ruskauff, Donald Coy Beaman
  • Method of Indicating a Railway Switch Status
    Publication number: 20170151968
    Abstract: Disclosed herein is a method for indicating a status of a railroad switch used in un-signaled (dark) territory utilizing vital audio messages. In one embodiment, the method comprises receiving a DTMF signal from a railway vehicle, initializing control of the switch, and triggering the reporting of a correspondence condition through vital relays or other electronic components.
    Type: Application
    Filed: February 13, 2017
    Publication date: June 1, 2017
    Applicant: Vossloh Signaling USA, Inc.
    Inventors: David Ruskauff, Donald Coy Beaman
  • Railway dark territory switch automation
    Patent number: 9586603
    Abstract: The system provides a railroad switch for use in un-signaled (dark) territory. In particular, the system includes a plurality of audio messages maintained on a discrete audio board, where a DTMF signal is validated, initializes the control of a switch, and triggers an audio board to report a correspondence condition, where the output of the audio board is checked by a relay status.
    Type: Grant
    Filed: October 14, 2014
    Date of Patent: March 7, 2017
    Inventors: David Ruskauff, Donald Coy Beaman
  • RAILWAY DARK TERRITORY SWITCH AUTOMATION
    Publication number: 20150045998
    Abstract: The invention provides a railroad switch for use in un-signaled (dark) territory. It is emphasized that this abstract is provided to comply with the rules requiring an abstract that will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims. 37 CFR 1.72(b).
    Type: Application
    Filed: October 14, 2014
    Publication date: February 12, 2015
    Inventors: David Ruskauff, Donald Coy Beaman
  • System and method for managing and delivering traveler owned items
    Publication number: 20050080688
    Abstract: According to a computer-implemented approach for managing and delivering customer owned items, customers specify what items to deliver and where to deliver said items. According to the approach, customer items are returned for storage after use. According to the approach, items are stored and managed on behalf of the customer.
    Type: Application
    Filed: October 4, 2004
    Publication date: April 14, 2005
    Inventor: David Ruskauff