Patents by Inventor Daniel Zachary Ratcliff

Daniel Zachary Ratcliff 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).

  • Multiple stacked airbag spring
    Patent number: 11932069
    Abstract: A suspension system for a vehicle is shown. The suspension system may have first and second airbags stacked upon each other. By adjusting a height difference between the first and second airbags while maintaining the same collective height of the first and second airbags, the spring rate of the collective first and second airbags are changed while maintaining the same collective height of the first and second airbags.
    Type: Grant
    Filed: May 6, 2022
    Date of Patent: March 19, 2024
    Assignee: UNIVERSAL AIR, INC.
    Inventor: Daniel Zachary Ratcliff
  • MULTIPLE STACKED AIRBAG SPRING
    Publication number: 20230356555
    Abstract: A suspension system for a vehicle is shown. The suspension system may have first and second airbags stacked upon each other. By adjusting a height difference between the first and second airbags while maintaining the same collective height of the first and second airbags, the spring rate of the collective first and second airbags are changed while maintaining the same collective height of the first and second airbags.
    Type: Application
    Filed: May 6, 2022
    Publication date: November 9, 2023
    Inventor: Daniel Zachary Ratcliff
  • ADJUSTABLE ACCUMULATOR FOR SELECTIVELY MODIFYING SPRING RATE OF GAS SPRING SYSTEM
    Publication number: 20230051485
    Abstract: An accumulator defines an accumulator volume that can be placed into communication with a spring chamber of a gas spring. A working volume of the gas spring is the sum of the spring chamber volume and the accumulator volume. The accumulator can be configured so that the accumulator volume can be selectively increased or decreased as desired, thus modifying performance of the associated gas spring.
    Type: Application
    Filed: August 16, 2021
    Publication date: February 16, 2023
    Inventor: Daniel Zachary Ratcliff