Patents by Inventor Ha Van Duong

Ha Van Duong 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).

  • Vertical rising sprinkler apparatus with stabilized base unit
    Patent number: 9022300
    Abstract: A watering device for watering bushes, grass, etc., which has a base unit connected to a substantially vertical riser which is connected to a sprinkler head, wherein the base unit can also have a receiving unit which holds a substantially vertical riser and a plurality stabilizing units, wherein the plurality of stabilizing units are adapted to be inserted in the ground, and wherein the stabilizing units are removable from the receiving unit.
    Type: Grant
    Filed: July 29, 2008
    Date of Patent: May 5, 2015
    Assignee: Melnor, Inc.
    Inventors: Juergen Nies, Ha Van Duong, Vicky Ann Michael
  • Variable range sprinkler apparatus and variable range sprinkler pattern method
    Patent number: 8684283
    Abstract: A variable range sprinkler apparatus includes a sprinkler portion, a bypass unit housing a plurality of valves, and a water inlet portion. The sprinkler portion of the apparatus, which may be a rotary sprinkler unit, is attached to the bypass unit, and the bypass unit is coupled to the water inlet portion. Inside the bypass unit is a plurality of valves, at least one of which is adjustable, that are designed to open a water passage in the bypass unit.
    Type: Grant
    Filed: April 28, 2010
    Date of Patent: April 1, 2014
    Assignee: Melnor, Inc.
    Inventors: Juergen Nies, Ha Van Duong, Vicky Ann Michael
  • Stackable sprinkler
    Patent number: 8468787
    Abstract: A sprinkler is designed to be stacked upon a like sprinkler. The sprinkler includes a spray tube, a sled, a projection extending from either a top or bottom surface of the sled, and a recess formed at the top or bottom surface of the sled. The recess accommodates the projection extending from the sled of the like sprinkler so that the sprinkler can be stacked with the like sprinkler.
    Type: Grant
    Filed: February 24, 2010
    Date of Patent: June 25, 2013
    Assignee: Melnor, Inc.
    Inventors: Juergen Nies, Vicky Ann Michael, Ha Van Duong, Richard King Boyle
  • Water sensor apparatus
    Patent number: 7931045
    Abstract: A water sensor apparatus used in connection with a watering system. The water sensor apparatus includes a main housing comprising an inlet and an outlet. A valve mechanism is provided inside the main housing. The valve mechanism opens and closes the outlet of the main housing in response to a water level collected in the main housing and a water pressure entering the inlet of the main housing.
    Type: Grant
    Filed: March 12, 2008
    Date of Patent: April 26, 2011
    Assignee: Melnor, Inc.
    Inventors: Juergen Nies, Ha Van Duong, Chunling Zhao
  • Combined water timer and controller
    Patent number: D642077
    Type: Grant
    Filed: November 23, 2010
    Date of Patent: July 26, 2011
    Assignee: Melnor, Inc.
    Inventors: Juergen Nies, Ha Van Duong, Vicky Ann Michael, Richard King Boyle, James Daniel Carter, Christopher R. Boggs, Nathan Durflinger, Don Meves, Dana Koppes, Eric Fickas
  • Combined water timer and manifold assembly
    Patent number: D643316
    Type: Grant
    Filed: November 23, 2010
    Date of Patent: August 16, 2011
    Assignee: Melnor, Inc.
    Inventors: Juergen Nies, Ha Van Duong, Vicky Ann Michael, Richard King Boyle, James Daniel Carter, Christopher R. Boggs, Nathan Durflinger, Don Meves, Dana Koppes, Eric Fickas
  • Combined multi-zone water timer and controller
    Patent number: D643755
    Type: Grant
    Filed: November 23, 2010
    Date of Patent: August 23, 2011
    Assignee: Melnor, Inc.
    Inventors: Juergen Nies, Ha Van Duong, Vicky Ann Michael, Richard King Boyle, James Daniel Carter, Christopher R. Boggs, Nathan Durflinger, Don Meves, Dana Koppes, Eric Fickas
  • Aqua gun
    Patent number: D650042
    Type: Grant
    Filed: April 8, 2011
    Date of Patent: December 6, 2011
    Assignee: Melnor, Inc.
    Inventors: Juergen Nies, Ha Van Duong, Richard King Boyle, Vicky Ann Michael, James Daniel Carter, Nate Durflinger, Don Meves, Dan Wisniewski, Eric Fickas
  • Aqua gun
    Patent number: D650043
    Type: Grant
    Filed: April 8, 2011
    Date of Patent: December 6, 2011
    Assignee: Melnor, Inc.
    Inventors: Juergen Nies, Ha Van Duong, Richard King Boyle, Vicky Ann Michael, James Daniel Carter, Nate Durflinger, Don Meves, Dan Wisniewski, Eric Fickas
  • Aqua gun
    Patent number: D650044
    Type: Grant
    Filed: April 8, 2011
    Date of Patent: December 6, 2011
    Assignee: Melnor, Inc.
    Inventors: Juergen Nies, Ha Van Duong, Richard King Boyle, Vicky Ann Michael, James Daniel Carter, Nate Durflinger, Don Meves, Dan Wisniewski, Eric Fickas
  • Aqua gun
    Patent number: D650045
    Type: Grant
    Filed: April 8, 2011
    Date of Patent: December 6, 2011
    Assignee: Melnor, Inc.
    Inventors: Juergen Nies, Ha Van Duong, Richard King Boyle, Vicky Ann Michael, James Daniel Carter, Nate Durflinger, Don Meves, Dan Wisniewski, Eric Fickas
  • Sprinkler base unit
    Patent number: D652483
    Type: Grant
    Filed: April 8, 2011
    Date of Patent: January 17, 2012
    Assignee: Melnor, Inc.
    Inventors: Juergen Nies, Ha Van Duong, Richard King Boyle, Vicky Ann Michael, James Daniel Carter, Sean Svendsen, Nate Durflinger, Todd Mendoza, Eric Fickas
  • Sprinkler base unit
    Patent number: D652484
    Type: Grant
    Filed: April 8, 2011
    Date of Patent: January 17, 2012
    Assignee: Melnor, Inc.
    Inventors: Juergen Nies, Ha Van Duong, Richard King Boyle, Vicky Ann Michael, James Daniel Carter, Sean Svendsen, Nate Durflinger, Todd Mendoza, Eric Fickas
  • Sprinkler base unit
    Patent number: D652485
    Type: Grant
    Filed: April 8, 2011
    Date of Patent: January 17, 2012
    Assignee: Melnor, Inc.
    Inventors: Juergen Nies, Ha Van Duong, Richard King Boyle, Vicky Ann Michael, James Daniel Carter, Sean Svendsen, Nate Durflinger, Todd Mendoza, Eric Fickas
  • Sprinkler base unit
    Patent number: D652486
    Type: Grant
    Filed: April 8, 2011
    Date of Patent: January 17, 2012
    Assignee: Melnor, Inc.
    Inventors: Juergen Nies, Ha Van Duong, Richard King Boyle, Vicky Ann Michael, James Daniel Carter, Sean Svendsen, Nate Durflinger, Todd Mendoza, Eric Fickas
  • Versatile water timer and controller
    Patent number: D657263
    Type: Grant
    Filed: April 28, 2011
    Date of Patent: April 10, 2012
    Assignee: Melnor, Inc.
    Inventors: Juergen Nies, Ha Van Duong, Vicky Ann Michael, Richard King Boyle, James Daniel Carter, Christopher R. Boggs, Nathan Durflinger, Don Meves, Dana Koppes, Eric Fickas
  • Combined water timer and controller
    Patent number: D657264
    Type: Grant
    Filed: September 22, 2011
    Date of Patent: April 10, 2012
    Assignee: Melnor, Inc.
    Inventors: Juergen Nies, Ha Van Duong, Vicky Ann Michael
  • Water nozzle
    Patent number: D678980
    Type: Grant
    Filed: January 31, 2012
    Date of Patent: March 26, 2013
    Assignee: Melnor, Inc.
    Inventors: Juergen Nies, Ha Van Duong, Richard King Boyle, Vicky Ann Michael
  • Front trigger water nozzle device
    Patent number: D681777
    Type: Grant
    Filed: August 2, 2012
    Date of Patent: May 7, 2013
    Assignee: Melnor, Inc.
    Inventors: Juergen Nies, Ha Van Duong, Vicky Ann Michael, Sean W. Svendsen, Dana Justin Koppes, Ryan S. Crisp, Eric J. Fickas
  • Rear trigger water nozzle device
    Patent number: D681778
    Type: Grant
    Filed: August 2, 2012
    Date of Patent: May 7, 2013
    Assignee: Melnor, Inc.
    Inventors: Juergen Nies, Ha Van Duong, Vicky Ann Michael, Sean W. Svendsen, Dana Justin Koppes, Ryan S. Crisp, Eric J. Fickas