Patents by Inventor Stephen A. Ratkowiak

Stephen A. Ratkowiak 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: 20240044432
    Abstract: The present disclosure relates generally to an additive manufactured hydraulic swivel bolt used in tilt rotor functionality. The additively manufactured swivel bolt provides a unique geometry that reduces overall mass weight of over 40% compared to conventional manufactured swivel bolts while improving flow performance and reducing fluid leak paths.
    Type: Application
    Filed: December 14, 2021
    Publication date: February 8, 2024
    Applicant: EATON INTELLIGENT POWER LIMITED
    Inventor: Stephen A. RATKOWIAK
  • Patent number: 9918556
    Abstract: The disclosure generally relates to an adjustable bed foundation. The adjustable foundation includes lateral and/or longitudinal support members as part of an adjustable base frame positioned below a mattress support. The lateral and longitudinal support members, along with a fixed base frame portion of the foundation are preferably formed from a lightweight material such as wood. The lateral and longitudinal support members provide sufficient vertical support structure to accommodate a mattress and bed occupants on the adjustable platform, as well as electrical and mechanical components of the adjustable foundation below a mattress support deck.
    Type: Grant
    Filed: January 14, 2016
    Date of Patent: March 20, 2018
    Assignee: ASCION, LLC
    Inventors: Martin B. Rawls-Meehan, Stephen A. Ratkowiak, Qianyu Liang
  • Publication number: 20160206113
    Abstract: The disclosure generally relates to an adjustable bed foundation. The adjustable foundation includes lateral and/or longitudinal support members as part of an adjustable base frame positioned below a mattress support. The lateral and longitudinal support members, along with a fixed base frame portion of the foundation are preferably formed from a lightweight material such as wood. The lateral and longitudinal support members provide sufficient vertical support structure to accommodate a mattress and bed occupants on the adjustable platform, as well as electrical and mechanical components of the adjustable foundation below a mattress support deck.
    Type: Application
    Filed: January 14, 2016
    Publication date: July 21, 2016
    Inventors: Martin B. Rawls-Meehan, Stephen A. Ratkowiak, Qianyu Liang