Patents by Inventor James P. Fields

James P. Fields 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: 20250096590
    Abstract: A direct current power system. The direct current power system includes a direct current bus system, a solar power system, an energy storage system and a wind power system. The solar power system is configured to supply a first direct current power. The energy storage system has an input electrically coupled to the solar power system and is configured to supply a second direct current power at 380 volts to the direct current bus system. The wind power system includes is electrically coupled to the energy storage system and is configured to supply a third direct current power.
    Type: Application
    Filed: October 1, 2024
    Publication date: March 20, 2025
    Applicant: Pitt-Ohio Express LLC
    Inventors: James A. Maug, James P. Fields
  • Patent number: 12209456
    Abstract: An improved loading dock door system is disclosed herein. The loading dock door system can include a first jamb and a second jamb positioned opposite the first jamb. The loading dock door system can further include a first top rail partially surrounding the first jamb, a second top rail partially surrounding the second jamb, a first door stop removably connected to the first top rail, and a second door stop removably connected to the second top rail. The first and second jambs can include a polymer and are configured to receive a loading dock door.
    Type: Grant
    Filed: October 7, 2021
    Date of Patent: January 28, 2025
    Assignee: Pitt-Ohio Express LLC
    Inventors: James A. Maug, James P. Fields
  • Patent number: 12132345
    Abstract: A direct current power system. The direct current power system includes a direct current bus system, a solar power system, an energy storage system and a wind power system. The solar power system is configured to supply a first direct current power. The energy storage system has an input electrically coupled to the solar power system and is configured to supply a second direct current power at 380 volts to the direct current bus system. The wind power system includes is electrically coupled to the energy storage system and is configured to supply a third direct current power.
    Type: Grant
    Filed: December 13, 2022
    Date of Patent: October 29, 2024
    Assignee: Pitt-Ohio Express LLC
    Inventors: James A. Maug, James P. Fields
  • Publication number: 20230198286
    Abstract: A direct current power system. The direct current power system includes a direct current bus system, a solar power system, an energy storage system and a wind power system. The solar power system is configured to supply a first direct current power. The energy storage system has an input electrically coupled to the solar power system and is configured to supply a second direct current power at 380 volts to the direct current bus system. The wind power system includes is electrically coupled to the energy storage system and is configured to supply a third direct current power.
    Type: Application
    Filed: December 13, 2022
    Publication date: June 22, 2023
    Inventors: James A. Maug, James P. Fields
  • Patent number: 11532947
    Abstract: A direct current power system. The direct current power system includes a direct current bus system, a solar power system, an energy storage system and a wind power system. The solar power system is configured to supply a first direct current power. The energy storage system has an input electrically coupled to the solar power system and is configured to supply a second direct current power at 380 volts to the direct current bus system. The wind power system includes is electrically coupled to the energy storage system and is configured to supply a third direct current power.
    Type: Grant
    Filed: July 14, 2020
    Date of Patent: December 20, 2022
    Assignee: PITT-OHIO EXPRESS LLC
    Inventors: James A. Maug, James P. Fields
  • Publication number: 20220120134
    Abstract: A loading dock door system is disclosed. The system includes a first jamb, a second jamb positioned opposite the first jamb, a first top rail partially surrounding the first jamb, a second top rail partially surrounding the second jamb, a first door stop removably connected to the first top rail, and a second door stop removably connected to the second top rail. At least one of the first and second jambs comprises a polymer and is configured to receive a loading dock door.
    Type: Application
    Filed: October 7, 2021
    Publication date: April 21, 2022
    Inventors: James A. MAUG, James P. FIELDS
  • Publication number: 20200350768
    Abstract: A direct current power system. The direct current power system includes a direct current bus system, a solar power system, an energy storage system and a wind power system. The solar power system is configured to supply a first direct current power. The energy storage system has an input electrically coupled to the solar power system and is configured to supply a second direct current power at 380 volts to the direct current bus system. The wind power system includes is electrically coupled to the energy storage system and is configured to supply a third direct current power.
    Type: Application
    Filed: July 14, 2020
    Publication date: November 5, 2020
    Inventors: James A. MAUG, James P. FIELDS
  • Patent number: 10749347
    Abstract: A direct current power system. The direct current power system includes a direct current bus system, a solar power system, an energy storage system, a wind power system, a rectifier system and an inverter system. The solar power system includes a plurality of solar panels, is electrically coupled to the energy storage system and is configured to supply a first direct current power at 48 volts. The energy storage system includes a plurality of battery stacks and is configured to supply a second direct current power at 380 volts to the direct current bus system. The wind power system includes at least one wind turbine assembly and is configured to supply a third direct current power at 380 volts to the direct current bus system. The rectifier system is configured to supply a fourth direct current power at 380 volts to the direct current bus system.
    Type: Grant
    Filed: February 15, 2017
    Date of Patent: August 18, 2020
    Assignee: Pitt-Ohio Express LLC
    Inventors: James A. Maug, James P. Fields
  • Publication number: 20170237261
    Abstract: A direct current power system. The direct current power system includes a direct current bus system, a solar power system, an energy storage system, a wind power system, a rectifier system and an inverter system. The solar power system includes a plurality of solar panels, is electrically coupled to the energy storage system and is configured to supply a first direct current power at 48 volts. The energy storage system includes a plurality of battery stacks and is configured to supply a second direct current power at 380 volts to the direct current bus system. The wind power system includes at least one wind turbine assembly and is configured to supply a third direct current power at 380 volts to the direct current bus system. The rectifier system is configured to supply a fourth direct current power at 380 volts to the direct current bus system.
    Type: Application
    Filed: February 15, 2017
    Publication date: August 17, 2017
    Inventors: James A. Maug, James P. Fields