Bowl Cover Patents (Class D27/168)
  • Pipe cover
    Patent number: D577860
    Type: Grant
    Filed: November 6, 2007
    Date of Patent: September 30, 2008
    Inventor: Kevin Clark
  • Combined tobacco smoking pipe bowl and receiving stem
    Patent number: D346877
    Type: Grant
    Filed: June 4, 1993
    Date of Patent: May 10, 1994
    Inventor: Richard Melograno
  • Plug device
    Patent number: D790767
    Type: Grant
    Filed: January 11, 2016
    Date of Patent: June 27, 2017
    Assignee: Moose Labs LLC
    Inventors: Daniel Rush, Jason Rush
  • Pipe bowl cover
    Patent number: D864478
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: October 22, 2019
    Inventors: William James Reimann, Zain Ali Shehbaz Ali Khan
  • Smoker device
    Patent number: D973269
    Type: Grant
    Filed: May 24, 2022
    Date of Patent: December 20, 2022
    Assignee: Chengdu Honghezhu Technology Co., Ltd.
    Inventor: Gang Wang