Farrowing Type (1) Patents (Class D30/113)
  • Calf hutch door
    Patent number: D651766
    Type: Grant
    Filed: February 8, 2010
    Date of Patent: January 3, 2012
    Assignee: Agri-Plastics Mfg.
    Inventor: Darren Van Buuren
  • Pet shelter
    Patent number: D426679
    Type: Grant
    Filed: November 11, 1999
    Date of Patent: June 13, 2000
    Assignee: Amerlin, Inc.
    Inventor: Edward Richmond
  • Animal housing unit
    Patent number: D757371
    Type: Grant
    Filed: June 4, 2014
    Date of Patent: May 24, 2016
    Assignee: POLY DOME ONTARIO INC.
    Inventors: Darren VanBuuren, Marc Jean-Luc Beaudry
  • Animal housing unit
    Patent number: D791411
    Type: Grant
    Filed: September 25, 2015
    Date of Patent: July 4, 2017
    Inventor: Darren VanBuuren
  • Animal rearing enclosure
    Patent number: D791412
    Type: Grant
    Filed: November 10, 2015
    Date of Patent: July 4, 2017
    Assignee: Midland Pig Producers Limited
    Inventor: Martin James Barker
  • Animal housing unit
    Patent number: D818651
    Type: Grant
    Filed: April 18, 2016
    Date of Patent: May 22, 2018
    Assignee: Poly Dome Ontario Inc.
    Inventors: Darren Vanbuuren, Marc Jean-Luc Beaudry
  • Animal housing unit
    Patent number: D837463
    Type: Grant
    Filed: May 31, 2017
    Date of Patent: January 1, 2019
    Assignee: Poly Dome Ontario Inc.
    Inventors: Darren Vanbuuren, Burton Mark Wood
  • Livestock pen
    Patent number: D838056
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: January 8, 2019
    Inventor: Lance T. Hampel
  • Livestock pen
    Patent number: D847439
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: April 30, 2019
    Inventor: Lance T. Hampel
  • Device for temporarily holding a live pig
    Patent number: D962554
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: August 30, 2022
    Inventor: Johnathon Goltz
  • Incubator
    Patent number: D990071
    Type: Grant
    Filed: August 13, 2021
    Date of Patent: June 20, 2023
    Inventor: Hanwei Liu
  • Plate warmer
    Patent number: D1022355
    Type: Grant
    Filed: November 23, 2023
    Date of Patent: April 9, 2024
    Inventor: Cuifeng Yuan
  • Incubator
    Patent number: D1023486
    Type: Grant
    Filed: January 10, 2024
    Date of Patent: April 16, 2024
    Inventor: Daoli Wang
  • Egg incubator
    Patent number: D1031190
    Type: Grant
    Filed: July 31, 2022
    Date of Patent: June 11, 2024
    Inventor: Yinong Han
  • Incubator for egg
    Patent number: D1058074
    Type: Grant
    Filed: September 12, 2024
    Date of Patent: January 14, 2025
    Inventor: Shengyong Zou