Patents by Inventor William John Papp

William John Papp 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: 11014400
    Abstract: A coupling device for connecting first and second chalk lines includes a generally planar body portion having a first end, a second end and opposed sides edges, an aperture formed in the body portion adjacent to the first end for attaching a free end of a first chalk line to the coupling device, and a spring hook connected to a first of the opposed side edges and being configured to receive a second chalk line.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: May 25, 2021
    Inventors: John Papp, William John Papp
  • Publication number: 20190351699
    Abstract: A coupling device for connecting first and second chalk lines includes a generally planar body portion having a first end, a second end and opposed sides edges, an aperture formed in the body portion adjacent to the first end for attaching a free end of a first chalk line to the coupling device, and a spring hook connected to a first of the opposed side edges and being configured to receive a second chalk line.
    Type: Application
    Filed: July 31, 2019
    Publication date: November 21, 2019
    Inventors: JOHN PAPP, WILLIAM JOHN PAPP
  • Patent number: 10442240
    Abstract: A coupling device for connecting first and second chalk lines includes a generally planar body portion having a first end, a second end and opposed sides edges, an aperture formed in the body portion adjacent to the first end for attaching a free end of a first chalk line to the coupling device, and a plurality of spaced apart and linearly aligned hooks extending from the body portion adjacent to one of the side edges, the plurality of hooks defining a channel for receiving a second chalk line therethrough. Each of the hooks includes a clearance portion for insertion of the second chalk line into the channel defined by the plurality of hooks.
    Type: Grant
    Filed: January 7, 2016
    Date of Patent: October 15, 2019
    Inventors: John Papp, William John Papp
  • Publication number: 20190009610
    Abstract: A coupling device for connecting first and second chalk lines includes a generally planar body portion having a first end, a second end and opposed sides edges, an aperture formed in the body portion adjacent to the first end for attaching a free end of a first chalk line to the coupling device, and a plurality of spaced apart and linearly aligned hooks extending from the body portion adjacent to one of the side edges, the plurality of hooks defining a channel for receiving a second chalk line therethrough. Each of the hooks includes a clearance portion for insertion of the second chalk line into the channel defined by the plurality of hooks.
    Type: Application
    Filed: January 7, 2016
    Publication date: January 10, 2019
    Inventors: John Papp, William John Papp