Patents by Inventor Kelvin Isaacson

Kelvin Isaacson 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).

  • Internally retained jaw roller pin
    Patent number: 8479614
    Abstract: A power tong jaw comprising a jaw body having upper and lower flange sections with flange apertures formed through the upper and lower flange sections. The power tong jaw will further have a jaw roller including a pin aperture and a roller pin positioned through the pin aperture in the jaw roller and through at least one of the upper or lower jaw flange apertures. The power tong jaw will further include a flexible retaining mechanism (i) positioned between outer surfaces of the upper and lower flange and (ii) engaging the roller pin.
    Type: Grant
    Filed: August 6, 2012
    Date of Patent: July 9, 2013
    Assignee: McCoy Corporation
    Inventors: Murray Gerwing, Steven Hargreaves, Jeremy Vaughan, Kelvin Isaacson
  • Internally Retained Jaw Roller Pin
    Publication number: 20130014612
    Abstract: A power tong jaw comprising a jaw body having upper and lower flange sections with flange apertures formed through the upper and lower flange sections. The power tong jaw will further have a jaw roller including a pin aperture and a roller pin positioned through the pin aperture in the jaw roller and through at least one of the upper or lower jaw flange apertures. The power tong jaw will further include a flexible retaining mechanism (i) positioned between outer surfaces of the upper and lower flange and (ii) engaging the roller pin.
    Type: Application
    Filed: August 6, 2012
    Publication date: January 17, 2013
    Inventors: Murray Gerwing, Steven Hargreaves, Jeremy Vaughan, Kelvin Isaacson
  • Internally retained jaw roller pin
    Patent number: 8234957
    Abstract: A power tong jaw comprising a jaw body having upper and lower flange sections with flange apertures formed through the upper and lower flange sections. The power tong jaw will further have a jaw roller including a pin aperture and a roller pin positioned through the pin aperture in the jaw roller and through at least one of the upper or lower jaw flange apertures. The power tong jaw will further include a flexible retaining mechanism (i) positioned between outer surfaces of the upper and lower flange and (ii) engaging the roller pin.
    Type: Grant
    Filed: September 20, 2010
    Date of Patent: August 7, 2012
    Assignee: McCoy Corporation
    Inventors: Murray Gerwing, Steven Hargreaves, Jeremy Vaughan, Kelvin Isaacson
  • Internally Retained Jaw Roller Pin
    Publication number: 20110067533
    Abstract: A power tong jaw comprising a jaw body having upper and lower flange sections with flange apertures formed through the upper and lower flange sections. The power tong jaw will further have a jaw roller including a pin aperture and a roller pin positioned through the pin aperture in the jaw roller and through at least one of the upper or lower jaw flange apertures. The power tong jaw will further include a flexible retaining mechanism (i) positioned between outer surfaces of the upper and lower flange and (ii) engaging the roller pin.
    Type: Application
    Filed: September 20, 2010
    Publication date: March 24, 2011
    Inventors: Murray Gerwing, Steven Hargreaves, Jeremy Vaughan, Kelvin Isaacson