Patents by Inventor John Van Rosendale

John Van Rosendale 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).

  • Permanent magnet maglev using passive, low-frequency electromagnetic stabilization
    Patent number: 10208431
    Abstract: A magnetic levitation system includes a guideway and a vehicle. The guideway has ferromagnetic yokes and induction coils. The vehicle has levitation magnets for magnetic interaction with the ferromagnetic yokes wherein the vehicle levitates relative to the guideway. The vehicle has stabilization magnets coupled thereto for electromagnetic interaction with the induction coils as the vehicle travels along the guideway. Each stabilization magnet is a permanent magnet with a two-dimensional pattern of poles alternating in polarity in a first dimension and a second dimension.
    Type: Grant
    Filed: January 22, 2018
    Date of Patent: February 19, 2019
    Inventor: John Van Rosendale
  • BIDIRECTIONAL RAILROAD TRACK TO MAGLEV GUIDEWAY TRANSITION SYSTEM
    Publication number: 20180073200
    Abstract: A bi-directional railroad-track to maglev-guideway transition system includes a portion of a railroad track having two parallel rails defining a first axis of travel, and a portion of a maglev guideway defining a second axis of travel. In the transition system, the portion of the maglev guideway is adjacent to the two parallel rails of the portion of the railroad track with a non-zero elevation grade being defined between the first axis of travel and the second axis of travel.
    Type: Application
    Filed: September 13, 2016
    Publication date: March 15, 2018
    Inventor: John Van Rosendale
  • Bidirectional railroad track to maglev guideway transition system
    Patent number: 9915035
    Abstract: A bi-directional railroad-track to maglev-guideway transition system includes a portion of a railroad track having two parallel rails defining a first axis of travel, and a portion of a maglev guideway defining a second axis of travel. In the transition system, the portion of the maglev guideway is adjacent to the two parallel rails of the portion of the railroad track with a non-zero elevation grade being defined between the first axis of travel and the second axis of travel.
    Type: Grant
    Filed: September 13, 2016
    Date of Patent: March 13, 2018
    Inventor: John Van Rosendale