Element Or Attachment Patents (Class D12/20)
  • Attachment system for supporting a pipe
    Patent number: 9416895
    Abstract: Attachment plates and systems for pipe support interfaces are disclosed. According to one embodiment, system for pipe-support interface, having a pipe, a pipe support, and a low-friction surface between the pipe and pipe support, includes an improvement comprising a plate in an interface between the low-friction surface and the pipe support, the plate constructed of a corrosion resistant material, the plate having a recessed area for receiving the low-friction surface.
    Type: Grant
    Filed: November 26, 2013
    Date of Patent: August 16, 2016
    Inventor: Jose Oscar Castellanos
  • Swivel joint quick hitch
    Patent number: D470795
    Type: Grant
    Filed: December 18, 2000
    Date of Patent: February 25, 2003
    Inventor: Al G. Terwilliger
  • Sulky wheel guard
    Patent number: D350502
    Type: Grant
    Filed: September 7, 1993
    Date of Patent: September 13, 1994
    Inventor: Howard G. Millington
  • Sulky wheel connector
    Patent number: D665702
    Type: Grant
    Filed: November 2, 2011
    Date of Patent: August 21, 2012
    Inventors: Beverly W. Ross, Gary Helzerman
  • Covered wagon canopy
    Patent number: D950413
    Type: Grant
    Filed: May 19, 2020
    Date of Patent: May 3, 2022
    Assignee: Conestoga Wagon Co. LLC
    Inventors: Michael Knapp, Richard Smart