Patents by Inventor Edward Duffin

Edward Duffin 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: 11457612
    Abstract: The present invention is a retractable pet leash with a variable brake system to control a pet. The variable braking system can be engaged or disengaged by the user via 3 methods. The first method is via a handle that is directly connected to the brake. The second method, also actuated by the user is a one touch brake system that uses the rotation of the reel to slowly apply the variable brake over several rotations of the reel. The third method allows the user to set the length of the leash cord and when the set length of the cord is met, engages the one touch brake system. The retractable pet leash provides a system to set the length of the leash cord being let out and ensures that the leash cord is kept taught between the user and the pet and notifies the user when the set length has been reached and applies variable braking in a steady and predictable manner to smoothly stop the pet.
    Type: Grant
    Filed: June 1, 2020
    Date of Patent: October 4, 2022
    Inventor: Edward Duffin
  • Publication number: 20210368741
    Abstract: The present invention is a retractable pet leash with a variable brake system to control a pet. The variable braking system can be engaged or disengaged by the user via 3 methods. The first method is via a handle that is directly connected to the brake. The second method, also actuated by the user is a one touch brake system that uses the rotation of the reel to slowly apply the variable brake over several rotations of the reel. The third method allows the user to set the length of the leash cord and when the set length of the cord is met, engages the one touch brake system. The retractable pet leash provides a system to set the length of the leash cord being let out and ensures that the leash cord is kept taught between the user and the pet and notifies the user when the set length has been reached and applies variable braking in a steady and predictable manner to smoothly stop the pet.
    Type: Application
    Filed: June 1, 2020
    Publication date: December 2, 2021
    Inventor: Edward Duffin