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Class Information
Number: 452/120
Name: Butchering > Viscera processing > Venting or opening preparatory to eviscerating
Description: Subject matter which provides access to the interior visceral cavity of a carcass.

Sub-classes under this class:

Class Number Class Name Patents
452/122 By tubular rotary cutter 38
452/121 Of fish 35

Patents under this class:

Patent Number Title Of Patent Date Issued
8545294 Field dressing apparatus and system Oct. 1, 2013
7264543 Device for cutting free the colon of a slaughter animal Sep. 4, 2007
6398636 Apparatus for severing the vent of slaughtered poultry Jun. 4, 2002
6312326 Method and device for making an incision in the skin of a slaughtered animal, and for performing a subcutaneous operation Nov. 6, 2001
6210263 Field dressing apparatus Apr. 3, 2001
RE36994 Rectal plug and method of introducing same into a slaughtered animal Dec. 19, 2000
6033296 Installation for making a cut in the neck of slaughtered poultry Mar. 7, 2000
5938517 Neck locating structure for poultry processing apparatus Aug. 17, 1999
5913720 Method and apparatus for preparing an access slit in the neck of a poultry carcass Jun. 22, 1999
5816904 Method and apparatus for making a contoured opening cut in a poultry carcass Oct. 6, 1998
5803802 Apparatus for opening the body cavity of a slaughtered bird Sep. 8, 1998
5697836 Method for processing poultry Dec. 16, 1997
5679069 Device for removing the anus of slaughtered animals Oct. 21, 1997
5613905 Method and device for opening a slaughtered animal Mar. 25, 1997
5499390 Controlled device for removing the anus of slaughtered animals Mar. 12, 1996
5494481 Rectal plug and method of introducing same into a slaughtered animal Feb. 27, 1996
5419738 Method and an apparatus for cutting free and removing the rectum of a carcass of a slaughtered animal, preferably pigs May. 30, 1995
5299974 Method and apparatus for producing a whole fish product Apr. 5, 1994
5292278 Method for reducing fecal leakage and contamination during meat and poultry processing Mar. 8, 1994
5256101 Method and apparatus for cutting open the stomach of a bird Oct. 26, 1993
5167568 Device and installation for selectively removing organs from a slaughtered animal Dec. 1, 1992
5152715 Method and device for separating heart, lungs and liver from the viscera of a bird Oct. 6, 1992
5133686 Cloaca cutter Jul. 28, 1992
5123871 Device for cutting out the vent of slaughtered poultry Jun. 23, 1992
5120266 Device for the automatic evisceration of slaughtered animal carcasses Jun. 9, 1992
5114380 Method for eviscerating animal carcasses, preferably pig carcasses, a plug and plant therefor May. 19, 1992
5112272 Method for providing a cut around the anus of an animal, which is suspended from its back feet, to free the rectum from the carcass, and apparatus for performing said method May. 12, 1992
5083975 Method for reducing fecal leakage and contamination during meat and poultry processing Jan. 28, 1992
5062820 Automatic animal processing Nov. 5, 1991
5041052 Liver harvesting system and method Aug. 20, 1991
5041053 Heart harvesting system and method Aug. 20, 1991
4876767 Vent cleaning apparatus and method for poultry Oct. 31, 1989
4731907 Device for cutting open slaughtered poultry Mar. 22, 1988
4528751 Eviscerating and survival tool Jul. 16, 1985
4467500 Bird opening method and apparatus Aug. 28, 1984
4461080 Eviscerating and survival tool Jul. 24, 1984
4418445 Apparatus for cutting open a fowl by a transverse cut Dec. 6, 1983
4339849 Method of cutting a slaughtered bird from vent to breast Jul. 20, 1982
4322872 Apparatus for breaking the neck of a fowl Apr. 6, 1982
4266322 Device for making a cut extending from the vent toward the breast in a slaughtered bird May. 12, 1981
4265001 Opening method for poultry carcasses May. 5, 1981
4257142 Opening apparatus for poultry carcasses Mar. 24, 1981
4184230 Poultry neck cutting, breaking and stretching method Jan. 22, 1980
4136421 Method and apparatus for opening the body cavity of poultry Jan. 30, 1979
4118829 Opening cut machine Oct. 10, 1978
4059868 Apparatus for cutting open a fowl Nov. 29, 1977
3958302 Apparatus for opening the body cavity of a fowl May. 25, 1976

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