Patents by Inventor Wen-Chih Tu

Wen-Chih Tu 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).

  • Hook
    Patent number: D623505
    Type: Grant
    Filed: October 8, 2009
    Date of Patent: September 14, 2010
    Assignee: Bei Yu Industrial Co.
    Inventor: Wen-Chih Tu
  • Babies' potty
    Patent number: D639404
    Type: Grant
    Filed: June 18, 2010
    Date of Patent: June 7, 2011
    Assignee: Bei Yu Industrial Co.
    Inventor: Wen-Chih Tu
  • Bathtub
    Patent number: D652490
    Type: Grant
    Filed: May 27, 2011
    Date of Patent: January 17, 2012
    Assignee: Bei Yu Industrial Co.
    Inventor: Wen-Chih Tu
  • Bathtub
    Patent number: D654154
    Type: Grant
    Filed: May 27, 2011
    Date of Patent: February 14, 2012
    Assignee: Bei Yu Industrial Co.
    Inventor: Wen-Chih Tu
  • Babies' potty
    Patent number: D669971
    Type: Grant
    Filed: May 27, 2011
    Date of Patent: October 30, 2012
    Assignee: Bei Yu Industrial Co.
    Inventor: Wen-Chih Tu
  • Babies' potty
    Patent number: D670365
    Type: Grant
    Filed: May 27, 2011
    Date of Patent: November 6, 2012
    Assignee: Bei Yu Industrial Co.
    Inventor: Wen-Chih Tu
  • Bottle holder
    Patent number: D676294
    Type: Grant
    Filed: May 27, 2011
    Date of Patent: February 19, 2013
    Assignee: Bei Yu Industrial Co.
    Inventor: Wen-Chih Tu
  • Baby bath seat
    Patent number: D688474
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: August 27, 2013
    Assignee: Bei Yu Industrial Co.
    Inventor: Wen-Chih Tu
  • Stool
    Patent number: D727044
    Type: Grant
    Filed: May 23, 2014
    Date of Patent: April 21, 2015
    Assignee: Bei Yu Industrial Co.
    Inventor: Wen-Chih Tu
  • Feeding bottle holder
    Patent number: D727513
    Type: Grant
    Filed: May 21, 2014
    Date of Patent: April 21, 2015
    Assignee: Bei Yu Industrial Co.
    Inventor: Wen-Chih Tu
  • Hook
    Patent number: D728350
    Type: Grant
    Filed: February 21, 2014
    Date of Patent: May 5, 2015
    Assignee: Bei Yu Industrial Co.
    Inventor: Wen-Chih Tu
  • Bathtub for babies
    Patent number: D740922
    Type: Grant
    Filed: September 29, 2014
    Date of Patent: October 13, 2015
    Assignee: Bei Yu Industrial Co.
    Inventor: Wen-Chih Tu
  • Bathtub for babies
    Patent number: D740923
    Type: Grant
    Filed: September 29, 2014
    Date of Patent: October 13, 2015
    Assignee: Bei Yu Industrial Co.
    Inventor: Wen-Chih Tu
  • Baby bath seat
    Patent number: D741461
    Type: Grant
    Filed: April 10, 2015
    Date of Patent: October 20, 2015
    Assignee: Bei Yu Industrial Co.
    Inventor: Wen-Chih Tu
  • Hook
    Patent number: D763065
    Type: Grant
    Filed: June 18, 2015
    Date of Patent: August 9, 2016
    Assignee: Bei Yu Industrial Co.
    Inventor: Wen-Chih Tu
  • Trash can
    Patent number: D790793
    Type: Grant
    Filed: March 11, 2016
    Date of Patent: June 27, 2017
    Assignee: Bei Yu Industrial Co.
    Inventor: Wen-Chih Tu
  • Babies' potty
    Patent number: D810899
    Type: Grant
    Filed: December 1, 2016
    Date of Patent: February 20, 2018
    Assignee: Bei Yu Industrial Co.
    Inventor: Wen-Chih Tu
  • Bathtub
    Patent number: D888904
    Type: Grant
    Filed: April 2, 2018
    Date of Patent: June 30, 2020
    Assignee: Bei Yu Industrial Co.
    Inventor: Wen-Chih Tu
  • Bathtub
    Patent number: D888905
    Type: Grant
    Filed: April 2, 2018
    Date of Patent: June 30, 2020
    Assignee: Bei Yu Industrial Co.
    Inventor: Wen-Chih Tu
  • Bathtub
    Patent number: D888906
    Type: Grant
    Filed: April 2, 2018
    Date of Patent: June 30, 2020
    Assignee: Bei Yu Industrial Co.
    Inventor: Wen-Chih Tu