Patents by Inventor Francis Paul Zwaan

Francis Paul Zwaan 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).

  • Shock mitigation apparatus
    Patent number: 10017082
    Abstract: Described herein is a shock mitigation apparatus. The shock mitigation apparatus may be utilized in a marine environment, able to absorb shocks transmitted to a seat system from a structure to which the seat is affixed. The shock mitigation apparatus includes at least one leaf spring wherein the leaf spring is cantilevered at one end and pivoted at a distal end thereof, and wherein the pivoted end is free to articulate upon flexure of the leaf spring.
    Type: Grant
    Filed: June 5, 2015
    Date of Patent: July 10, 2018
    Inventor: Francis Paul Zwaan
  • A SHOCK MITIGATION APPARATUS
    Publication number: 20170197532
    Abstract: Described herein is a shock mitigation apparatus. The shock mitigation apparatus may be utilised in a marine environment, able to absorb shocks transmitted to a seat system from a structure to which the seat is affixed. The shock mitigation apparatus includes at least one leaf spring wherein the leaf spring is cantilevered at one end and pivoted at a distal end thereof, and wherein the pivoted end is free to articulate upon flexure of the leaf spring.
    Type: Application
    Filed: June 5, 2015
    Publication date: July 13, 2017
    Inventor: Francis Paul Zwaan