Patents by Inventor David A. Ladd

David A. Ladd 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: 12273334
    Abstract: Systems and methods for providing one or more secure services are disclosed. One method can comprise authenticating and/or authorizing a user device to receive a security token. A request for information can be processed using the security token to facilitate the secure provision of services to the user device.
    Type: Grant
    Filed: April 12, 2024
    Date of Patent: April 8, 2025
    Assignee: Comcast Cable Communications, LLC
    Inventors: David de Andrade, Patrick Ladd, John Brzozowski, John Leddy
  • Patent number: 12268767
    Abstract: The disclosure relates to compositions for use before, during, and/or after the hair is subject to a process for altering the color thereof. The compositions comprise a combination of citric acid and at least one urea compound. The compositions provide strength and other benefits to treated hair. The disclosure also relates to methods of using the compositions as well as kits comprising the compositions.
    Type: Grant
    Filed: February 28, 2023
    Date of Patent: April 8, 2025
    Assignee: L'OREAL
    Inventors: Ronak Rughani, Cho-Cho Khine, David Ladd, Yamini Patel
  • Patent number: 12221360
    Abstract: Systems and methods for treating a raw wastewater feed stream using a low energy ejector, which works as a heat pump to increase the pressure and temperature of a two-phase distillate stream used, in part, to heat the raw wastewater feed stream. The systems and methods utilize heat from a liquid distillate stream and a concentrated liquid wastewater stream to pre-heat the raw wastewater feed stream and produce a liquid distillate product stream.
    Type: Grant
    Filed: September 23, 2022
    Date of Patent: February 11, 2025
    Assignee: Bechtel Energy Technologies & Solutions, Inc.
    Inventors: Jorge T. Aguinaldo, Joseph P. Kanzleiter, David Ladd, Saurabh S. Tonapi, Baki E. Goktepe, Mukesh K. Shah
  • Publication number: 20240377114
    Abstract: Systems and methods for regenerative ejector-based cooling cycles that utilize an ejector as the motivating force in a cooling loop to regeneratively sub-cool a refrigerant in a single-stage cooling cycle.
    Type: Application
    Filed: July 25, 2024
    Publication date: November 14, 2024
    Applicant: Bechtel Energy Technologies & Solutions, Inc.
    Inventor: David Ladd
  • Patent number: 12078394
    Abstract: Systems and methods for regenerative ejector-based cooling cycles that utilize an ejector as the motivating force in a cooling loop to regeneratively sub-cool a refrigerant in a single-stage cooling cycle.
    Type: Grant
    Filed: June 23, 2023
    Date of Patent: September 3, 2024
    Assignee: BECHTEL ENERGY TECHNOLOGIES & SOLUTIONS, INC.
    Inventor: David Ladd
  • Publication number: 20240270607
    Abstract: Systems and methods for treating a raw wastewater feed stream using a low energy ejector, which works as a heat pump to increase the pressure and temperature of a two-phase distillate stream used, in part, to heat the raw wastewater feed stream. The systems and methods utilize heat from a liquid distillate stream and a concentrated liquid wastewater stream to pre-heat the raw wastewater feed stream and produce a liquid distillate product stream.
    Type: Application
    Filed: September 23, 2022
    Publication date: August 15, 2024
    Applicant: Bechtel Energy Technologies & Solutions, Inc.
    Inventors: Jorge T. Aguinaldo, Joseph P. Kanzleiter, David Ladd, Saurabh S. Tonapi, Baki E. Goktepe, Mukesh K. Shah
  • Patent number: 11821668
    Abstract: Systems and methods for implementing ejector refrigeration cycles with cascaded evaporation stages that utilize a pump to optimize operation of the ejector and eliminate the need for a compressor between the evaporation stages.
    Type: Grant
    Filed: December 9, 2022
    Date of Patent: November 21, 2023
    Assignee: BECHTEL ENERGY TECHNOLOGIES & SOLUTIONS, INC.
    Inventors: David Ladd, Eckhard Groll, Riley Barta, Davide Ziviani
  • Publication number: 20230332812
    Abstract: Systems and methods for regenerative ejector-based cooling cycles that utilize an ejector as the motivating force in a cooling loop to regeneratively sub-cool a refrigerant in a single-stage cooling cycle.
    Type: Application
    Filed: June 23, 2023
    Publication date: October 19, 2023
    Applicant: Bechtel Energy Technologies & Solutions, Inc.
    Inventor: David Ladd
  • Publication number: 20230270641
    Abstract: The disclosure relates to compositions for use before, during, and/or after the hair is subject to a process for altering the color thereof. The compositions comprise a combination of citric acid and at least one urea compound. The compositions provide strength and other benefits to treated hair. The disclosure also relates to methods of using the compositions as well as kits comprising the compositions.
    Type: Application
    Filed: February 28, 2023
    Publication date: August 31, 2023
    Inventors: Ronak RUGHANI, Cho-Cho KHINE, David LADD, Yamini PATEL
  • Patent number: 11725858
    Abstract: Systems and methods for regenerative ejector-based cooling cycles that utilize an ejector as the motivating force in a cooling loop to regeneratively sub-cool a refrigerant in a single-stage cooling cycle.
    Type: Grant
    Filed: March 8, 2022
    Date of Patent: August 15, 2023
    Assignee: BECHTEL ENERGY TECHNOLOGIES & SOLUTIONS, INC.
    Inventor: David Ladd
  • Publication number: 20230106363
    Abstract: Systems and methods for implementing ejector refrigeration cycles with cascaded evaporation stages that utilize a pump to optimize operation of the ejector and eliminate the need for a compressor between the evaporation stages.
    Type: Application
    Filed: December 9, 2022
    Publication date: April 6, 2023
    Applicant: Bechtel Energy Technologies & Solutions, Inc.
    Inventors: David Ladd, Eckhard Groll, Riley Barta, Davide Ziviani
  • Patent number: 11561027
    Abstract: Systems and methods for implementing ejector refrigeration cycles with cascaded evaporation stages that utilize a pump to optimize operation of the ejector and eliminate the need for a compressor between the evaporation stages.
    Type: Grant
    Filed: December 3, 2020
    Date of Patent: January 24, 2023
    Assignee: BECHTEL ENERGY TECHNOLOGIES & SOLUTIONS, INC.
    Inventors: David Ladd, Eckhard Groll, Riley Barta, Davide Ziviani
  • Publication number: 20220357078
    Abstract: Systems and methods for implementing ejector refrigeration cycles with cascaded evaporation stages that utilize a pump to optimize operation of the ejector and eliminate the need for a compressor between the evaporation stages.
    Type: Application
    Filed: December 3, 2020
    Publication date: November 10, 2022
    Applicant: Bechtel Energy Technologies & Solutions, Inc.
    Inventors: David Ladd, Eckhard Groll, Riley Barta, Davide Ziviani
  • Publication number: 20220268517
    Abstract: Systems and methods for improving the efficiency of open-cycle cascade-based liquified natural gas systems by utilizing one or more ejectors to reduce and/or eliminate compression stages. The systems and methods may thus, be used to improve the efficiency of new and preexisting open-cycle cascade-based liquified natural gas systems to reduce in the flow rate through each compressor, which reduces the energy consumption of the overall process.
    Type: Application
    Filed: August 5, 2020
    Publication date: August 25, 2022
    Applicant: Bechtel Energy Inc.
    Inventor: David Ladd
  • Publication number: 20220236004
    Abstract: Systems and methods for improving the efficiency of combined cascade and multicomponent refrigeration systems by utilizing one or more ejectors to reduce and/or eliminate compression stages. The systems and methods change the temperature profile, which reduces the energy consumption of both the mixed refrigeration system and the pre-cooling system.
    Type: Application
    Filed: July 10, 2020
    Publication date: July 28, 2022
    Applicant: Bechtel Energy Inc.
    Inventor: David Ladd
  • Patent number: 10707631
    Abstract: A busway assembly includes first and second busway sections and a joint assembly connecting the first and second sections. Each busway section includes a housing including first and second opposing side portions. Each busway section includes a first insulator held in the first side portion and a second insulator held in the second side portion. The first and second insulators each hold one or more bus bar conductors. The joint assembly includes first and second connected joint housings and plurality of joint conductors held in the first and second housings. A first exposed portion of each joint conductor extends out of the first housing and is electrically connected with one of the bus bar conductors of the first busway section. A second exposed portion of each joint conductor extends out of the second housing and is electrically connected with one of the bus bar conductors of the second busway section.
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: July 7, 2020
    Assignee: Eaton Intelligent Power Limited
    Inventors: John Michael Kokenda, David Ladd Kelley
  • Patent number: 10533793
    Abstract: Systems and methods for multi-stage refrigeration in mixed refrigerant and cascade refrigeration cycles using one or more liquid motive eductors.
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: January 14, 2020
    Assignee: Bechtel Hydrocarbon Technology Solutions, Inc.
    Inventor: David Ladd
  • Patent number: 10514202
    Abstract: Systems and methods for multi-stage refrigeration in mixed refrigerant and cascade refrigeration cycles using one or more liquid motive eductors in combination with a pump.
    Type: Grant
    Filed: February 22, 2018
    Date of Patent: December 24, 2019
    Assignee: Bechtel Hydrocarbon Technology Solutions, Inc.
    Inventor: David Ladd
  • Patent number: 10514201
    Abstract: Systems and methods for multi-stage refrigeration in mixed refrigerant and cascade refrigeration cycles using one or more liquid motive eductors.
    Type: Grant
    Filed: February 17, 2017
    Date of Patent: December 24, 2019
    Assignee: Bechtel Hydrocarbon Technology Solutions, Inc.
    Inventor: David Ladd
  • Publication number: 20190386443
    Abstract: A busway assembly includes first and second busway sections and a joint assembly connecting the first and second sections. Each busway section includes a housing including first and second opposing side portions. Each busway section includes a first insulator held in the first side portion and a second insulator held in the second side portion. The first and second insulators each hold one or more bus bar conductors. The joint assembly includes first and second connected joint housings and plurality of joint conductors held in the first and second housings. A first exposed portion of each joint conductor extends out of the first housing and is electrically connected with one of the bus bar conductors of the first busway section. A second exposed portion of each joint conductor extends out of the second housing and is electrically connected with one of the bus bar conductors of the second busway section.
    Type: Application
    Filed: August 30, 2019
    Publication date: December 19, 2019
    Inventors: John Michael Kokenda, David Ladd Kelley