Patents by Inventor Larry D. Frederick

Larry D. Frederick 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: 12633218
    Abstract: A proximity detection and collision avoidance system determines whether a collision risk exists between two vehicles by measuring magnetic field vectors generated on each of the vehicles as the relative distance between the vehicles decreases.
    Type: Grant
    Filed: August 11, 2023
    Date of Patent: May 19, 2026
    Assignee: Frederick Energy Products, LLC
    Inventors: Larry D. Frederick, Dean Estill, Andrew Nichols
  • Publication number: 20260056548
    Abstract: A dock area control system includes a vehicle proximity detection system (PDSC). The PDSC includes a vehicle low frequency magnetic field generator (MFG) that generates a vehicle pulsed magnetic field that is sensed by a dock area controller electronics module (DEM).
    Type: Application
    Filed: April 24, 2025
    Publication date: February 26, 2026
    Applicant: Frederick Mobile Instrumentation, LLC
    Inventors: Larry D. Frederick, Andrew Nichols
  • Publication number: 20260023390
    Abstract: Mobile response device (MRD) and methods and systems of using the same. Sets of MRDs are configured and deployed in a given facility, mounted to moving objects such as robots or autonomous vehicles, and/or worn by personnel. The MRD is compact and relatively low in cost to manufacture, incentivizing its wider use for increased overall safety at facilities, such as fulfillment facilities or warehouses configured with very narrow aisles (VNA) and open pedestrian zones shared with vehicles. The MRD is equipped with two tuned circuits to detect low frequency magnetic field pulses along perpendicular horizontal axes and a radio transmitter that transmits radio frequency signals when a low frequency magnetic field pulse has been detected, notifying the vehicle that generated the low frequency magnetic field pulse of the nearby presence of the MRD such that anti-collision measures can be initiated.
    Type: Application
    Filed: July 18, 2025
    Publication date: January 22, 2026
    Inventors: Andrew F. Nichols, Larry D. Frederick
  • Patent number: 12287638
    Abstract: A dock area control system includes a vehicle proximity detection system (PDSC). The PDSC includes a vehicle low frequency magnetic field generator (MFG) that generates a vehicle pulsed magnetic field that is sensed by a dock area controller electronics module (DEM).
    Type: Grant
    Filed: March 19, 2021
    Date of Patent: April 29, 2025
    Assignee: FREDERICK MOBILE INSTRUMENTATION, LLC
    Inventors: Larry D. Frederick, Andrew Nichols
  • Patent number: 12205466
    Abstract: The invention relates to a complex proximity safety and warning system. The invention provides a safety system comprising a generator that generates a magnetic field that establishes a boundary, where the generator is capable of receiving radio frequency signals. Also provided is a radio frequency device that sends radio frequency signals, the radio frequency device being capable of sensing the magnetic field and generating a radio frequency response.
    Type: Grant
    Filed: September 12, 2023
    Date of Patent: January 21, 2025
    Assignee: Strata Safety Products, LLC
    Inventors: Larry D. Frederick, Paul L. Hammond
  • Publication number: 20230419838
    Abstract: The invention relates to a complex proximity safety and warning system. The invention provides a safety system comprising a generator that generates a magnetic field that establishes a boundary, where the generator is capable of receiving radio frequency signals. Also provided is a radio frequency device that sends radio frequency signals, the radio frequency device being capable of sensing the magnetic field and generating a radio frequency response.
    Type: Application
    Filed: September 12, 2023
    Publication date: December 28, 2023
    Inventors: Larry D. Frederick, Paul L. Hammond
  • Publication number: 20230386341
    Abstract: A proximity detection and collision avoidance system determines whether a collision risk exists between two vehicles by measuring magnetic field vectors generated on each of the vehicles as the relative distance between the vehicles decreases.
    Type: Application
    Filed: August 11, 2023
    Publication date: November 30, 2023
    Inventors: Larry D. FREDERICK, Dean ESTILL, Andrew NICHOLS
  • Patent number: 11790784
    Abstract: The invention relates to a complex proximity safety and warning system. The invention provides a safety system comprising a generator that generates a magnetic field that establishes a boundary, where the generator is capable of receiving radio frequency signals. Also provided is a radio frequency device that sends radio frequency signals, the radio frequency device being capable of sensing the magnetic field and generating a radio frequency response.
    Type: Grant
    Filed: June 21, 2022
    Date of Patent: October 17, 2023
    Assignee: Strata Safety Products, LLC
    Inventors: Larry D. Frederick, Paul L. Hammond
  • Patent number: 11726226
    Abstract: Proximity detection systems and proximity detections methods are disclosed herein. In one aspect of the disclosure the systems and methods include measuring and analyzing the vector components of a generated magnetic field. In another aspect of the present disclosure, the results of the vector component measurements are used to take safety actions which may result in an alert to an operator or pedestrian, and/or automatic action by a vehicle or machine.
    Type: Grant
    Filed: November 29, 2021
    Date of Patent: August 15, 2023
    Assignee: Frederick Energy Products, LLC
    Inventors: Larry D. Frederick, Dean Estill, Andrew Nichols
  • Publication number: 20230148011
    Abstract: A dock area control system includes a vehicle proximity detection system (PDSC). The PDSC includes a vehicle low frequency magnetic field generator (MFG) that generates a vehicle pulsed magnetic field that is sensed by a dock area controller electronics module (DEM).
    Type: Application
    Filed: March 19, 2021
    Publication date: May 11, 2023
    Applicant: Frederick Mobile Instrumentation, LLC
    Inventors: Larry D. Frederick, Andrew Nichols
  • Patent number: 11614202
    Abstract: Traffic control systems and methods to improve safety are disclosed. The systems, in some example aspects, include a first magnetic field generator mounted over an aisle for generating a first zone magnetic field defining a first zone. The methods, in some example aspects, include generating a first zone magnetic field defining a first zone by a first magnetic field generator mounted over an aisle. Other aspects include generating, and/or including a controller to generate, control signals to reduce the speed of a vehicle, and/or reduce the size of a danger zone.
    Type: Grant
    Filed: July 13, 2020
    Date of Patent: March 28, 2023
    Assignee: Frederick Energy Products, LLC
    Inventor: Larry D. Frederick
  • Publication number: 20220319331
    Abstract: The invention relates to a complex proximity safety and warning system. The invention provides a safety system comprising a generator that generates a magnetic field that establishes a boundary, where the generator is capable of receiving radio frequency signals. Also provided is a radio frequency device that sends radio frequency signals, the radio frequency device being capable of sensing the magnetic field and generating a radio frequency response.
    Type: Application
    Filed: June 21, 2022
    Publication date: October 6, 2022
    Applicant: Strata Safety Products, LLC
    Inventors: Larry D. Frederick, Paul L. Hammond
  • Patent number: 11380205
    Abstract: The invention relates to a complex proximity safety and warning system. The invention provides a safety system comprising a generator that generates a magnetic field that establishes a boundary, where the generator is capable of receiving radio frequency signals. Also provided is a radio frequency device that sends radio frequency signals, the radio frequency device being capable of sensing the magnetic field and generating a radio frequency response.
    Type: Grant
    Filed: August 14, 2020
    Date of Patent: July 5, 2022
    Assignee: Strata Safety Products, LLC
    Inventors: Larry D. Frederick, Paul L. Hammond
  • Publication number: 20220082722
    Abstract: Proximity detection systems and proximity detections methods are disclosed herein. In one aspect of the disclosure the systems and methods include measuring and analyzing the vector components of a generated magnetic field. In another aspect of the present disclosure, the results of the vector component measurements are used to take safety actions which may result in an alert to an operator or pedestrian, and/or automatic action by a vehicle or machine.
    Type: Application
    Filed: November 29, 2021
    Publication date: March 17, 2022
    Inventors: Larry D. Frederick, Dean Estill, Andrew Nichols
  • Patent number: 11221428
    Abstract: Proximity detection systems and proximity detections methods are disclosed herein. In one aspect of the disclosure the systems and methods include measuring and analyzing the vector components of a generated magnetic field. In another aspect of the present disclosure, the results of the vector component measurements are used to take safety actions which may result in an alert to an operator or pedestrian, and/or automatic action by a vehicle or machine.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: January 11, 2022
    Assignee: Frederick Energy Products, LLC
    Inventors: Larry D. Frederick, Dean Estill, Andrew Nichols
  • Publication number: 20200372801
    Abstract: The invention relates to a complex proximity safety and warning system. The invention provides a safety system comprising a generator that generates a magnetic field that establishes a boundary, where the generator is capable of receiving radio frequency signals. Also provided is a radio frequency device that sends radio frequency signals, the radio frequency device being capable of sensing the magnetic field and generating a radio frequency response.
    Type: Application
    Filed: August 14, 2020
    Publication date: November 26, 2020
    Inventors: Larry D. Frederick, Paul Hammond
  • Patent number: 10830392
    Abstract: Traffic control systems and methods to improve safety are disclosed. The systems, in some example aspects, include a first magnetic field generator mounted over an aisle for generating a first zone magnetic field defining a first zone. The methods, in some example aspects, include generating a first zone magnetic field defining a first zone by a first magnetic field generator mounted over an aisle. Other aspects include generating, and/or including a controller to generate, control signals to reduce the speed of a vehicle, and/or reduce the size of a danger zone.
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: November 10, 2020
    Assignee: Frederick Energy Products, LLC
    Inventor: Larry D. Frederick
  • Publication number: 20200340622
    Abstract: Traffic control systems and methods to improve safety are disclosed. The systems, in some example aspects, include a first magnetic field generator mounted over an aisle for generating a first zone magnetic field defining a first zone. The methods, in some example aspects, include generating a first zone magnetic field defining a first zone by a first magnetic field generator mounted over an aisle. Other aspects include generating, and/or including a controller to generate, control signals to reduce the speed of a vehicle, and/or reduce the size of a danger zone.
    Type: Application
    Filed: July 13, 2020
    Publication date: October 29, 2020
    Inventor: Larry D. Frederick
  • Patent number: 10769955
    Abstract: The invention relates to a complex proximity safety and warning system. The invention provides a safety system comprising a generator that generates a magnetic field that establishes a boundary, where the generator is capable of receiving radio frequency signals. Also provided is a radio frequency device that sends radio frequency signals, the radio frequency device being capable of sensing the magnetic field and generating a radio frequency response.
    Type: Grant
    Filed: October 8, 2019
    Date of Patent: September 8, 2020
    Assignee: Strata Safety Products, LLC
    Inventors: Larry D. Frederick, Paul Hammond
  • Publication number: 20200209422
    Abstract: Proximity detection systems and proximity detections methods are disclosed herein. In one aspect of the disclosure the systems and methods include measuring and analyzing the vector components of a generated magnetic field. In another aspect of the present disclosure, the results of the vector component measurements are used to take safety actions which may result in an alert to an operator or pedestrian, and/or automatic action by a vehicle or machine.
    Type: Application
    Filed: March 11, 2020
    Publication date: July 2, 2020
    Inventors: Larry D. Frederick, Dean Estill, Andrew Nichols