Patents by Inventor Tadeusz P. Witczak

Tadeusz P. Witczak 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: 20180237266
    Abstract: According to an embodiment, an elevator interface (70) for an elevator system (10) includes an external interface (74) to receive an elevator car (14) outside of the elevator system (10), and an elevator system interface (72) in operable communication with the external interface (74) to introduce the elevator car (14) into the elevator system (10).
    Type: Application
    Filed: August 9, 2016
    Publication date: August 23, 2018
    Applicant: Otis Elevator Company
    Inventors: Tadeusz P. Witczak, Enrico Manes, Zbigniew Piech, Bryan R. Siewert