Patents by Inventor Julian F. Picard

Julian F. Picard 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: 11962304
    Abstract: Some embodiments of the invention include a pre-pulse switching system. The pre-pulsing switching system may include: a power source configured to provide a voltage greater than 100 V; a pre-pulse switch coupled with the power source and configured to provide a pre-pulse having a pulse width of Tpp; and a main switch coupled with the power source and configured to provide a main pulse such that an output pulse comprises a single pulse with negligible ringing. The pre-pulse may be provided to a load by closing the pre-pulse switch while the main switch is open. The main pulse may be provided to the load by closing the main switch after a delay Tdelay after the pre-pulse switch has been opened.
    Type: Grant
    Filed: March 29, 2022
    Date of Patent: April 16, 2024
    Assignee: EHT VENTURES LLC
    Inventors: Kenneth E. Miller, James R. Prager, Ilia Slobodov, Julian F. Picard
  • Publication number: 20230184232
    Abstract: Some embodiments of the invention include a thruster system comprising a thruster and a pulsing power supply. The thruster may include a gas inlet port; a plasma jet outlet; and a first electrode. In some embodiments, the pulsing power supply may provide an electrical potential to the first electrode with a pulse repetition frequency greater than 10 kHz, a voltage greater than 5 kilovolts. In some embodiments, the pressure downstream from the thruster can be less than 10 Torr. In some embodiments, when a plasma is produced within the thruster by energizing a gas flowing into the thruster through the gas inlet port, the plasma is expelled from the thruster through the plasma jet outlet.
    Type: Application
    Filed: December 22, 2022
    Publication date: June 15, 2023
    Inventors: Timothy M. Ziemba, James R. Prager, John G. Carscadden, Kenneth E. Miller, Ilia Slobodov, Julian F. Picard, Akel Hashim
  • Patent number: 11542927
    Abstract: Some embodiments of the invention include a thruster system comprising a thruster and a pulsing power supply. The thruster may include a gas inlet port; a plasma jet outlet; and a first electrode. In some embodiments, the pulsing power supply may provide an electrical potential to the first electrode with a pulse repetition frequency greater than 10 kHz, a voltage greater than 5 kilovolts. In some embodiments, the pressure downstream from the thruster can be less than 10 Torr. In some embodiments, when a plasma is produced within the thruster by energizing a gas flowing into the thruster through the gas inlet port, the plasma is expelled from the thruster through the plasma jet outlet.
    Type: Grant
    Filed: May 4, 2016
    Date of Patent: January 3, 2023
    Assignee: Eagle Harbor Technologies, Inc.
    Inventors: Timothy M. Ziemba, James R. Prager, John G. Carscadden, Kenneth E. Miller, Ilia Slobodov, Julian F. Picard, Akel Hashim
  • Publication number: 20220224317
    Abstract: Some embodiments of the invention include a pre-pulse switching system. The pre-pulsing switching system may include: a power source configured to provide a voltage greater than 100 V; a pre-pulse switch coupled with the power source and configured to provide a pre-pulse having a pulse width of Tpp; and a main switch coupled with the power source and configured to provide a main pulse such that an output pulse comprises a single pulse with negligible ringing. The pre-pulse may be provided to a load by closing the pre-pulse switch while the main switch is open. The main pulse may be provided to the load by closing the main switch after a delay Tdelay after the pre-pulse switch has been opened.
    Type: Application
    Filed: March 29, 2022
    Publication date: July 14, 2022
    Inventors: Kenneth E. Miller, James R. Prager, Ilia Slobodov, Julian F. Picard
  • Patent number: 11303269
    Abstract: Some embodiments of the invention include a pre-pulse switching system. The pre-pulsing switching system may include: a power source configured to provide a voltage greater than 100 V; a pre-pulse switch coupled with the power source and configured to provide a pre-pulse having a pulse width of Tpp; and a main switch coupled with the power source and configured to provide a main pulse such that an output pulse comprises a single pulse with negligible ringing. The pre-pulse may be provided to a load by closing the pre-pulse switch while the main switch is open. The main pulse may be provided to the load by closing the main switch after a delay Tdelay after the pre-pulse switch has been opened.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: April 12, 2022
    Assignee: Eagle Harbor Technologies, Inc.
    Inventors: Kenneth E. Miller, James R. Prager, Ilia Slobodov, Julian F. Picard
  • Publication number: 20210013874
    Abstract: Some embodiments of the invention include a pre-pulse switching system. The pre-pulsing switching system may include: a power source configured to provide a voltage greater than 100 V; a pre-pulse switch coupled with the power source and configured to provide a pre-pulse having a pulse width of Tpp; and a main switch coupled with the power source and configured to provide a main pulse such that an output pulse comprises a single pulse with negligible ringing. The pre-pulse may be provided to a load by closing the pre-pulse switch while the main switch is open. The main pulse may be provided to the load by closing the main switch after a delay Tdelay after the pre-pulse switch has been opened.
    Type: Application
    Filed: September 25, 2020
    Publication date: January 14, 2021
    Inventors: Kenneth E. Miller, James R. Prager, Ilia Slobodov, Julian F. Picard
  • Patent number: 10804886
    Abstract: Some embodiments of the invention include a pre-pulse switching system. The pre-pulsing switching system may include: a power source configured to provide a voltage greater than 100 V; a pre-pulse switch coupled with the power source and configured to provide a pre-pulse having a pulse width of Tpp; and a main switch coupled with the power source and configured to provide a main pulse such that an output pulse comprises a single pulse with negligible ringing. The pre-pulse may be provided to a load by closing the pre-pulse switch while the main switch is open. The main pulse may be provided to the load by closing the main switch after a delay Tdelay after the pre-pulse switch has been opened.
    Type: Grant
    Filed: June 20, 2017
    Date of Patent: October 13, 2020
    Assignee: EAGLE HARBOR TECHNOLOGIES, INC.
    Inventors: Kenneth E. Miller, James R. Prager, Ilia Slobodov, Julian F. Picard
  • Publication number: 20170366173
    Abstract: Some embodiments of the invention include a pre-pulse switching system. The pre-pulsing switching system may include: a power source configured to provide a voltage greater than 100 V; a pre-pulse switch coupled with the power source and configured to provide a pre-pulse having a pulse width of Tpp; and a main switch coupled with the power source and configured to provide a main pulse such that an output pulse comprises a single pulse with negligible ringing. The pre-pulse may be provided to a load by closing the pre-pulse switch while the main switch is open. The main pulse may be provided to the load by closing the main switch after a delay Tdelay after the pre-pulse switch has been opened.
    Type: Application
    Filed: June 20, 2017
    Publication date: December 21, 2017
    Inventors: Kenneth E. Miller, James R. Prager, Ilia Slobodov, Julian F. Picard
  • Publication number: 20160327029
    Abstract: Some embodiments of the invention include a thruster system comprising a thruster and a pulsing power supply. The thruster may include a gas inlet port; a plasma jet outlet; and a first electrode. In some embodiments, the pulsing power supply may provide an electrical potential to the first electrode with a pulse repetition frequency greater than 10 kHz, a voltage greater than 5 kilovolts. In some embodiments, the pressure downstream from the thruster can be less than 10 Torr. In some embodiments, when a plasma is produced within the thruster by energizing a gas flowing into the thruster through the gas inlet port, the plasma is expelled from the thruster through the plasma jet outlet.
    Type: Application
    Filed: May 4, 2016
    Publication date: November 10, 2016
    Inventors: Timothy M. Ziemba, James R. Prager, John G. Cascadden, Kenneth E. Miller, Illia Slobodov, Julian F. Picard, Akel Hashim