Patents by Inventor Robert J. Libman

Robert J. Libman 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).

  • Mop with attached wringer cup
    Publication number: 20030213079
    Abstract: A mop with an attached wringer cup has a set of perforations near the outwardly tapering lower end of the wringer cup. The perforations have a width that is equal to about one-third the diameter of the handle, and less than the width of the flat mop strips that form the mop elements on the end of the handle. The upper end of the wringer cup fits within a lower part of a handgrip on the handle.
    Type: Application
    Filed: February 3, 2003
    Publication date: November 20, 2003
    Inventors: Robert J. Libman, Enzo Berti
  • Mounting bracket and connector for a broom with a detachable handle
    Patent number: 6594850
    Abstract: A locking bracket for brooms that have a multi-sided locking section near the mounting end of the handle has a pair of spaced-apart locking arms that enable the bracket to be attached in the proper position against the locking section without passing the bracket over either end of the handle. When secured in position, faces on the locking arms engage faces on the locking section, limiting rotation of the handle. The bracket can be mounted in position by a plug that engages the unused handle hole on the broom head.
    Type: Grant
    Filed: April 18, 2002
    Date of Patent: July 22, 2003
    Assignee: The Libman Company
    Inventors: Robert J. Libman, Enzo Berti
  • Mounting bracket and connector for a broom with a detachable handle
    Publication number: 20030019061
    Abstract: A locking bracket for brooms that have a multi-sided locking section near the mounting end of the handle has a pair of spaced-apart locking arms that enable the bracket to be attached in the proper position against the locking section without passing the bracket over either end of the handle. When secured in position, faces on the locking arms engage faces on the locking section, limiting rotation of the handle. The bracket can be mounted in position by a plug that engages the unused handle hole on the broom head.
    Type: Application
    Filed: April 18, 2002
    Publication date: January 30, 2003
    Inventors: Robert J. Libman, Enzo Berti
  • Kitchen brush
    Patent number: D467435
    Type: Grant
    Filed: January 11, 2002
    Date of Patent: December 24, 2002
    Inventors: Robert J. Libman, Enzo Berti
  • Dust brush
    Patent number: D468110
    Type: Grant
    Filed: January 11, 2002
    Date of Patent: January 7, 2003
    Inventors: Robert J. Libman, Enzo Berti
  • Kitchen brush
    Patent number: D468111
    Type: Grant
    Filed: January 11, 2002
    Date of Patent: January 7, 2003
    Assignee: The Libman Company
    Inventors: Robert J. Libman, Enzo Berti
  • Toilet brush
    Patent number: D468112
    Type: Grant
    Filed: January 11, 2002
    Date of Patent: January 7, 2003
    Assignee: The Libman Company
    Inventors: Robert J. Libman, Enzo Berti
  • Kitchen brush
    Patent number: D468909
    Type: Grant
    Filed: January 11, 2002
    Date of Patent: January 21, 2003
    Assignee: The Libman Company
    Inventors: Robert J. Libman, Enzo Berti
  • Squeegee
    Patent number: D469230
    Type: Grant
    Filed: January 11, 2002
    Date of Patent: January 21, 2003
    Assignee: The Libman Company
    Inventors: Robert J. Libman, Enzo Berti
  • Scrub brush
    Patent number: D469613
    Type: Grant
    Filed: January 11, 2002
    Date of Patent: February 4, 2003
    Inventors: Robert J. Libman, Enzo Berti
  • Long-handled scrub brush
    Patent number: D469614
    Type: Grant
    Filed: June 5, 2000
    Date of Patent: February 4, 2003
    Assignee: The Libman Company
    Inventor: Robert J. Libman
  • Culinary brush
    Patent number: D474611
    Type: Grant
    Filed: January 11, 2002
    Date of Patent: May 20, 2003
    Assignee: The Libman Company
    Inventors: Robert J. Libman, Enzo Berti
  • Mop
    Patent number: D474869
    Type: Grant
    Filed: July 25, 2001
    Date of Patent: May 20, 2003
    Assignee: The Libman Company
    Inventor: Robert J. Libman
  • Soap dispensing dish sponge
    Patent number: D475824
    Type: Grant
    Filed: January 11, 2002
    Date of Patent: June 10, 2003
    Inventors: Robert J. Libman, Enzo Berti
  • Dust pan
    Patent number: D475828
    Type: Grant
    Filed: January 11, 2002
    Date of Patent: June 10, 2003
    Assignee: The Libman Company
    Inventors: Robert J. Libman, Enzo Berti
  • Self-wringing mop
    Patent number: D479024
    Type: Grant
    Filed: July 25, 2001
    Date of Patent: August 26, 2003
    Assignee: The Libman Company
    Inventor: Robert J. Libman
  • Sponge mop
    Patent number: D480189
    Type: Grant
    Filed: July 25, 2001
    Date of Patent: September 30, 2003
    Assignee: The Libman Company
    Inventors: Robert J. Libman, Enzo Berti, Roberto Pellacini, Marco Bizzotto
  • Squeegee
    Patent number: D481500
    Type: Grant
    Filed: December 27, 2002
    Date of Patent: October 28, 2003
    Assignee: The Libman Company
    Inventors: Robert J. Libman, Enzo Berti
  • Dust pan
    Patent number: D481504
    Type: Grant
    Filed: December 27, 2002
    Date of Patent: October 28, 2003
    Assignee: The Libman Company
    Inventors: Robert J. Libman, Enzo Berti
  • Brush caddy
    Patent number: D482920
    Type: Grant
    Filed: December 23, 2002
    Date of Patent: December 2, 2003
    Assignee: The Libman Company
    Inventors: Robert J. Libman, Enzo Berti