Patents by Inventor Christopher Radzik

Christopher Radzik 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: 12240375
    Abstract: An electronically controlled motor driven siren. The siren is electronically controlled to generate different sound profiles, while having advantages of a motor driven mechanical siren. In some embodiments, the siren is part of a system of multiple sirens. The phases of the rotors of the sirens of the system can be electronically controlled to generate different multi-siren combined sound profiles.
    Type: Grant
    Filed: December 22, 2022
    Date of Patent: March 4, 2025
    Assignee: FEDERAL SIGNAL CORPORATION
    Inventors: Vincent S. Fleszewski, Robert J. Hartke, Jeffery M. Loftus, Christopher Radzik
  • Publication number: 20230219492
    Abstract: An electronically controlled motor driven siren. The siren is electronically controlled to generate different sound profiles, while having advantages of a motor driven mechanical siren. In some embodiments, the siren is part of a system of multiple sirens. The phases of the rotors of the sirens of the system can be electronically controlled to generate different multi-siren combined sound profiles.
    Type: Application
    Filed: December 22, 2022
    Publication date: July 13, 2023
    Inventors: Vincent S. Fleszewski, Robert J. Hartke, Jeffery M. Loftus, Christopher Radzik
  • Publication number: 20220405044
    Abstract: An example system for a synchronizing audio on emergency vehicles can include a receiver configured to accept a synchronization signal. The example system can also include a processor configured to use the synchronization signal to determine a correct playback time for a message to remain in sync with other emergency vehicles.
    Type: Application
    Filed: June 16, 2022
    Publication date: December 22, 2022
    Inventors: Christopher Radzik, Joseph L. Van Luyk, Vincent S. Fleszewski, Russell K. Mars
  • Patent number: 11453330
    Abstract: Peripheral lighting system for an emergency vehicle. In an example, the lighting system has a plurality of light heads configured to be located at various positions on the emergency vehicle. A system controller is programmed to individually control each of the light heads via each a plurality of serial communications lines from the controller to the light heads.
    Type: Grant
    Filed: March 23, 2020
    Date of Patent: September 27, 2022
    Assignee: Federal Signal Corporation
    Inventors: Joseph F. Bader, Nicholas L. Nakatsuka, Christopher Radzik
  • Publication number: 20200307445
    Abstract: Peripheral lighting system for an emergency vehicle. In an example, the lighting system has a plurality of light heads configured to be located at various positions on the emergency vehicle. A system controller is programmed to individually control each of the light heads via each a plurality of serial communications lines from the controller to the light heads.
    Type: Application
    Filed: March 23, 2020
    Publication date: October 1, 2020
    Inventors: Joseph F. Bader, Nicholas L. Nakatsuka, Christopher Radzik
  • Patent number: 8742916
    Abstract: The present disclosure provides an LED light bar that provides off axis lighting. The warning light system includes lights that do not need reflectors that rotate to provide good light effects.
    Type: Grant
    Filed: May 10, 2010
    Date of Patent: June 3, 2014
    Assignee: Federal Signal Corporation
    Inventors: Bernard Burke, Vincent Fleszewski, Charles Meyer, Christopher Radzik, George Frank, Sigmund Urbanski, Paul Gergets
  • Publication number: 20100321177
    Abstract: The present disclosure provides an LED light bar that provides off axis lighting. The warning light system includes lights that do not need reflectors that rotate to provide good light effects.
    Type: Application
    Filed: May 10, 2010
    Publication date: December 23, 2010
    Inventors: BERNARD BURKE, Vincent Fleszewski, Charles Meyer, Christopher Radzik, George Frank, Sigmund Urbanski, Paul Gergets
  • Patent number: D638732
    Type: Grant
    Filed: February 19, 2010
    Date of Patent: May 31, 2011
    Assignee: Federal Signal Corporation
    Inventors: Bernard R. Burke, Vincent S. Fleszewski, Charles P. Meyer, Christopher Radzik, George Frank, Sigmund Urbanski, Paul Gergets
  • Patent number: D659041
    Type: Grant
    Filed: May 27, 2011
    Date of Patent: May 8, 2012
    Assignee: Federal Signal Corporation
    Inventors: Bernard R. Burke, Vincent S. Fleszewski, Charles P. Meyer, Christopher Radzik, George Frank, Sigmund Urbanski, Paul Gergets