Drain Guard Or Strainer (12) Patents (Class D23/261)
  • Suction assembly for a whirlpool bath
    Patent number: D299522
    Type: Grant
    Filed: March 6, 1985
    Date of Patent: January 24, 1989
    Inventor: Philip E. Chalberg
  • Combined strainer and shield for use with a dental flask
    Patent number: D300558
    Type: Grant
    Filed: October 8, 1986
    Date of Patent: April 4, 1989
    Inventor: Casper P. Warnekros
  • Animal blocking end for downspouts
    Patent number: D301164
    Type: Grant
    Filed: July 14, 1986
    Date of Patent: May 16, 1989
    Inventor: Albert E. Weaver
  • Combined drain handle and cover for a bathtub or the like
    Patent number: D303423
    Type: Grant
    Filed: July 14, 1986
    Date of Patent: September 12, 1989
    Assignee: Kohler Co.
    Inventor: Thomas W. Hillebrand
  • Sink insert
    Patent number: D307964
    Type: Grant
    Filed: April 30, 1987
    Date of Patent: May 15, 1990
    Assignee: Kohler Co.
    Inventors: Bruce M. Sauter, James G. Bruni
  • Shower drain hair-trap
    Patent number: D308720
    Type: Grant
    Filed: July 23, 1986
    Date of Patent: June 19, 1990
    Inventor: David Y. Yuen
  • Shower drain hair-trap
    Patent number: D316594
    Type: Grant
    Filed: November 13, 1987
    Date of Patent: April 30, 1991
    Inventor: David Y. Yuen
  • Monitoring well cap
    Patent number: D317270
    Type: Grant
    Filed: June 2, 1989
    Date of Patent: June 4, 1991
    Inventor: Jerry C. Hensley
  • Monitoring well cap
    Patent number: D317271
    Type: Grant
    Filed: June 2, 1989
    Date of Patent: June 4, 1991
    Inventor: Jerry C. Hensley
  • Suction cover for a jetted tub
    Patent number: D319295
    Type: Grant
    Filed: August 15, 1988
    Date of Patent: August 20, 1991
    Assignee: American Standard Inc.
    Inventor: Karl G. Ohaus
  • Floor drain strainer
    Patent number: D325774
    Type: Grant
    Filed: July 30, 1987
    Date of Patent: April 28, 1992
    Assignee: CLM Investments, Inc.
    Inventors: Georgeann Manville, Bryan Yancey
  • Floor drain strainer
    Patent number: D327534
    Type: Grant
    Filed: July 30, 1987
    Date of Patent: June 30, 1992
    Assignee: CLM Investments, Inc.
    Inventors: Georgeann Manville, Bryan Yancey
  • Anti-splash back unit for a urinal screen
    Patent number: D332302
    Type: Grant
    Filed: April 19, 1990
    Date of Patent: January 5, 1993
    Inventor: Robert B. Brown
  • Anti-vortex safety cover for a drain
    Patent number: D333342
    Type: Grant
    Filed: November 21, 1990
    Date of Patent: February 16, 1993
    Inventor: Harry L. Newhard
  • Air intake control valve member for swimming pools and spas
    Patent number: D334616
    Type: Grant
    Filed: January 24, 1990
    Date of Patent: April 6, 1993
    Assignee: Opaltech Pty. Ltd.
    Inventor: Craig A. Nimmo
  • Combined sink strainer and scraper
    Patent number: D335700
    Type: Grant
    Filed: August 15, 1990
    Date of Patent: May 18, 1993
    Assignee: Ensar Corporation
    Inventors: Norton Sarnoff, Carl R. Fletcher
  • Protective cover for a bathtub overflow drain unit
    Patent number: D336948
    Type: Grant
    Filed: July 24, 1991
    Date of Patent: June 29, 1993
    Assignee: Kel-Gar, Inc.
    Inventor: Gail B. Frankel
  • Strainer for downspouts
    Patent number: D338725
    Type: Grant
    Filed: April 1, 1991
    Date of Patent: August 24, 1993
    Inventor: Warren P. Trampush