Patents by Inventor John D. Lu

John D. Lu 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).

  • Valve member assembly
    Patent number: 9546475
    Abstract: A valve member assembly includes a housing, a check valve assembly, and a float valve assembly. The housing is a cup, a retainer and a bonnet releasably secured together. The check valve assembly is positioned within the cup, and the float valve assembly is positioned between the bonnet and the retainer. The valve member assembly can be easily assembled and inserted into a valve body.
    Type: Grant
    Filed: February 19, 2015
    Date of Patent: January 17, 2017
    Assignee: Watts Water Technologies, Inc.
    Inventor: John D. Lu
  • VALVE MEMBER ASSEMBLY
    Publication number: 20150233096
    Abstract: A valve member assembly includes a housing, a check valve assembly, and a float valve assembly. The housing is a cup, a retainer and a bonnet releasably secured together. The check valve assembly is positioned within the cup, and the float valve assembly is positioned between the bonnet and the retainer. The valve member assembly can be easily assembled and inserted into a valve body.
    Type: Application
    Filed: February 19, 2015
    Publication date: August 20, 2015
    Inventor: John D. Lu
  • Cartridge check assembly
    Patent number: D721789
    Type: Grant
    Filed: February 19, 2014
    Date of Patent: January 27, 2015
    Assignee: Watts Water Technologies, Inc.
    Inventor: John D. Lu
  • Check retainer
    Patent number: D724182
    Type: Grant
    Filed: February 19, 2014
    Date of Patent: March 10, 2015
    Assignee: Watts Water Technologies, Inc.
    Inventor: John D. Lu
  • Bonnet
    Patent number: D729904
    Type: Grant
    Filed: February 19, 2014
    Date of Patent: May 19, 2015
    Assignee: Watts Water Technologies, Inc.
    Inventor: John D. Lu
  • Seat
    Patent number: D738122
    Type: Grant
    Filed: February 19, 2014
    Date of Patent: September 8, 2015
    Assignee: Watts Water Technologies, Inc.
    Inventor: John D. Lu