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Class Information
Number: 119/503
Name: Animal husbandry > Confining or housing > Pen or rack > Hog farrowing pen
Description: Subject matter including structure and apparatus particularly suitable for the birthing, nursing, and caring for piglets by the sow mother.










Sub-classes under this class:

Class Number Class Name Patents
119/506 Adjustable enclosure element for piglet escape passage 3
119/504 Collapsible 5
119/508 Having heating means 19
119/509 Pen floor 17
119/507 Sow size adjustable pen 7
119/505 With automatic farrowing device 14


Patents under this class:

Patent Number Title Of Patent Date Issued
8051805 One way gate for animals Nov. 8, 2011
7548169 Birth monitoring system for piglets Jun. 16, 2009
7178484 Apparatus for raising a sow in a farrowing crate Feb. 20, 2007
6571741 Sty for sows having piglets Jun. 3, 2003
6382135 Pig pen May. 7, 2002
6116190 Heat lamp for a farrowing pen Sep. 12, 2000
6036176 Weldless barrier construction Mar. 14, 2000
5878695 Extendible hog gate and confinement facility gate system Mar. 9, 1999
5809937 Farrowing crate Sep. 22, 1998
5622138 Multi-crate pig farrowing facility Apr. 22, 1997
4996944 Kennel accessory Mar. 5, 1991
4700661 Swine farrowing system Oct. 20, 1987
4462336 Farrowing pen for domestic animals Jul. 31, 1984
4351272 Anti-crushing bar assembly for pig farrowing crates Sep. 28, 1982
4345547 Crate crib attachment Aug. 24, 1982
4287855 Farrowing pen Sep. 8, 1981
4233940 Livestock farrowing apparatus Nov. 18, 1980
3941093 Portable farrowing bed Mar. 2, 1976











 
 
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