Patents Assigned to Royal Group, Inc.
  • Portable thermo-plastic welding machine and method
    Patent number: 7328734
    Abstract: A machine and method for welding thermo-plastic rain gutters or other work pieces together. The machine includes a frame assembly and a protective shroud. Handles or a wheeled carriage are provided for transporting the machine to a work site. A stationary plate and a moveable plate are each secured to the frame assembly. Work piece holders and corresponding clamps specially configured for clamping rain gutters or other work pieces are disposed on the stationary and moveable plates together with a spacer plate for positioning and holding the ends of two work pieces in a position for welding the ends together. A heater is provided for heating the ends of the work pieces to a desired welding temperature and a press is provided for pressing and holding the molten ends of the work pieces together for welding.
    Type: Grant
    Filed: September 29, 2004
    Date of Patent: February 12, 2008
    Assignee: Royal Group, Inc.
    Inventors: Brian Bacik, Kechang Xing
  • Message holder
    Patent number: D248825
    Type: Grant
    Filed: April 30, 1976
    Date of Patent: August 8, 1978
    Assignee: MB Royal Group, Inc.
    Inventor: Wilbert W. Redmer
  • Telephone or similar article
    Patent number: D249795
    Type: Grant
    Filed: April 30, 1976
    Date of Patent: October 3, 1978
    Assignee: MB Royal Group, Inc.
    Inventor: Paul R. Brown
  • Window frame profile
    Patent number: D583072
    Type: Grant
    Filed: February 7, 2008
    Date of Patent: December 16, 2008
    Assignee: Royal Group, Inc.
    Inventors: David Campbell, Nina Sterlin
  • Window frame profile
    Patent number: D583073
    Type: Grant
    Filed: February 7, 2008
    Date of Patent: December 16, 2008
    Assignee: Royal Group, Inc.
    Inventors: David Campbell, Nina Sterlin
  • Window frame profile
    Patent number: D583074
    Type: Grant
    Filed: February 7, 2008
    Date of Patent: December 16, 2008
    Assignee: Royal Group, Inc.
    Inventors: David Campbell, Nina Sterlin
  • Window frame profile
    Patent number: D583075
    Type: Grant
    Filed: February 7, 2008
    Date of Patent: December 16, 2008
    Assignee: Royal Group, Inc.
    Inventors: David Campbell, Nina Sterlin
  • Window frame profile
    Patent number: D583076
    Type: Grant
    Filed: February 7, 2008
    Date of Patent: December 16, 2008
    Assignee: Royal Group, Inc.
    Inventors: David Campbell, Nina Sterlin
  • Window frame profile
    Patent number: D583077
    Type: Grant
    Filed: February 7, 2008
    Date of Patent: December 16, 2008
    Assignee: Royal Group, Inc.
    Inventors: David Campbell, Nina Sterlin
  • Window frame profile
    Patent number: D583078
    Type: Grant
    Filed: February 7, 2008
    Date of Patent: December 16, 2008
    Assignee: Royal Group, Inc.
    Inventors: David Campbell, Nina Sterlin
  • Window frame profile
    Patent number: D583079
    Type: Grant
    Filed: February 7, 2008
    Date of Patent: December 16, 2008
    Assignee: Royal Group, Inc.
    Inventors: David Campbell, Nina Sterlin
  • Window frame profile
    Patent number: D583080
    Type: Grant
    Filed: February 7, 2008
    Date of Patent: December 16, 2008
    Assignee: Royal Group, Inc.
    Inventors: David Campbell, Nina Sterlin
  • Window frame profile
    Patent number: D590515
    Type: Grant
    Filed: February 7, 2008
    Date of Patent: April 14, 2009
    Assignee: Royal Group, Inc.
    Inventors: David Campbell, Nina Sterlin
  • Window frame profile
    Patent number: D590516
    Type: Grant
    Filed: February 7, 2008
    Date of Patent: April 14, 2009
    Assignee: Royal Group, Inc.
    Inventors: David Campbell, Nina Sterlin
  • Window frame profile
    Patent number: D590517
    Type: Grant
    Filed: February 7, 2008
    Date of Patent: April 14, 2009
    Assignee: Royal Group, Inc.
    Inventors: David Campbell, Nina Sterlin
  • Window frame profile
    Patent number: D590518
    Type: Grant
    Filed: February 7, 2008
    Date of Patent: April 14, 2009
    Assignee: Royal Group, Inc.
    Inventors: David Campbell, Nina Sterlin
  • Window frame profile
    Patent number: D590519
    Type: Grant
    Filed: February 7, 2008
    Date of Patent: April 14, 2009
    Assignee: Royal Group, Inc.
    Inventors: David Campbell, Nina Sterlin
  • Window frame profile
    Patent number: D590520
    Type: Grant
    Filed: February 7, 2008
    Date of Patent: April 14, 2009
    Assignee: Royal Group, Inc.
    Inventors: David Campbell, Nina Sterlin