Patents by Inventor Tony Maciulewicz

Tony Maciulewicz 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: 12097893
    Abstract: The use of short consists of powered and unpowered freight cars for moving cargo from its source to transfer facilities is described. The use of short consists of powered and unpowered freight cars can enable the efficient operation of unit trains. Single self-powered rail cars or short consists (up to about 25 cars) can overcome a number of problems associated with long unit trains such as dynamic instabilities, inability to stop quickly if needed and long headway time required between trains. A system of feeder trains (aggregators) to facilitate keeping unit trains in more or less constant motion is described. The use of gearing and shafts for power transmission from traction motors installed on various types of freight cars using the structure of the existing freight car truck is also described.
    Type: Grant
    Filed: December 21, 2021
    Date of Patent: September 24, 2024
    Assignee: RHT Railhaul Technologies Corp.
    Inventors: Frank Wegner Donnelly, Tony Maciulewicz, John D. Watson
  • Publication number: 20220194437
    Abstract: The use of short consists of powered and unpowered freight cars for moving cargo from its source to transfer facilities is described. The use of short consists of powered and unpowered freight cars can enable the efficient operation of unit trains. Single self-powered rail cars or short consists (up to about 25 cars) can overcome a number of problems associated with long unit trains such as dynamic instabilities, inability to stop quickly if needed and long headway time required between trains. A system of feeder trains (aggregators) to facilitate keeping unit trains in more or less constant motion is described. The use of gearing and shafts for power transmission from traction motors installed on various types of freight cars using the structure of the existing freight car truck is also described.
    Type: Application
    Filed: December 21, 2021
    Publication date: June 23, 2022
    Inventors: Frank Wegner Donnelly, Tony Maciulewicz, John D. Watson