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Class 452/66 - Anesthetizing or gassing


Subclass of Class 452 - Butchering
Definition: Subject matter wherein the animal is either rendered unconscious
No. of patents: 26
Last issue date: 02/14/2012


NumberTitleIssue Date
8113926Method for decreasing spastic wing activity of poultry during slaughter
The present disclosure generally relates to a method for humanely stunning and slaughtering poultry, and more particularly to a method for decreasing the spastic wing activity of poultry during slaughter. In particular, the birds are placed into a sealed chamber and...
02/14/2012
8029342Method and apparatus for euthanizing animals
A system for safely and humanely anesthetizing and/or euthanizing animals is provided. The system provides both manual and automated operation and may be scaled up to accommodate a large number of animals during a single procedure. The system includes a chamber 2...
10/04/2011
7794310Stunning animals such as poultry with gas
Animals such as poultry are stunned while still caged and on the vehicle that carries them to a processing plant, by exposing the animal to an atmosphere of gradually lessening oxygen content. ...
09/14/2010
7717773Poultry stunning system
A system for stunning poultry located in cages in which the system utilizing an automated control system and a series of stunning apparatuses for progressively increasing exposure of the poultry to a subduing gas. The system is adjustable to allow for varying concen...
05/18/2010
7448943Poultry stunning system
A system for stunning poultry located in cages in which the system utilizing an automated control system and a series of stunning apparatuses for progressively increasing exposure of the poultry to a subduing gas. The system is adjustable to allow for varying concen...
11/11/2008
7438637Method and system for gas stunning of poultry for slaughter
A method for gas stunning of poultry for slaughter is in which the poultry arrives at the poultry slaughterhouse, for example, in transport crates, where the poultry is subjected to gas after the poultry have been taken out of the transport crates, and where the pou...
10/21/2008
7377844Method and apparatus for stunning of slaughter animals
In stunning of slaughter animals by means of a box stunning apparatus with stunning atmosphere, boxes (1, 1a, 1b, 1c, 1d) are conveyed around after one another to various stop positions by means of a transport ...
05/27/2008
7331848Method and system for gas stunning of poultry for slaughter
A method for gas stunning of poultry for slaughter is in which the poultry arrives at the poultry slaughterhouse, for example, in transport crates, where the poultry is subjected to gas after the poultry have been taken out of the transport crates, and where the pou...
02/19/2008
7249998Method for processing poultry
A method is described for processing poultry, comprising the steps of supplying live poultry, stunning the live poultry in a stunning device, placing the stunned poultry into product carriers advanced along a conveyor, killing the poultry and removing the feathers f...
07/31/2007
7134956Automated feet-gripping system
A system and method for transferring live objects, such as chickens, to a shackle line are presented. The system and method include introducing a plurality of live objects to a singulator. The singulator isolates the individual live objects and places them in a pall...
11/14/2006
7097552Method and system for gas stunning of poultry for slaughter
A method and a system (2) for gas stunning of animals for slaughter is described, where the animals arrive at the slaughterhouse in transport crates (6), where gas stunning of the animals is effected while they are still in transport crates (6),...
08/29/2006
6848987Apparatus and method of transporting and stunning livestock
A method for the preparation of slaughter of poultry is provided that includes conveying the poultry in cages to at least one gassing chamber to sedate and render the poultry unconscious without killing them. ...
02/01/2005
6623347Method and equipment for the production of a gas mixture
A method and apparatus for producing and maintaining a gas mixture in one or more phases, in which the phases are generated in zones of, for example, a stunning tunnel or a stunning shaft. The gas mixture includes carbon dioxide gas and oxygen gas, and th...
09/23/2003
6174228Procedure and equipment for treating poultry before slaughter
A method and apparatus for the treatment, such as anaesthetization or killing, of poultry by using gas. The gas comprises oxygen and carbon dioxide, among other components. During the treatment, the oxygen concentration is kept constant at a normal level ...
01/16/2001
6135872Method and apparatus for unloading poultry
Method and apparatus for unloading poultry as disclosed. A chute (35) is placed proximate the door of a coop. The door is opened and the poultry are urged out of the coop onto the chute (35). The poultry then slide down the chute (35) onto a conveyor (11)...
10/24/2000
6126534Method and apparatus for anaesthetizing animals for slaughter with gas
A method for anaesthetizing animals for slaughter is provided using gas by transporting the animals for anaesthetizing through a gas-filled anaesthetizing space. The gas is introduced into the anaesthetizing space by a gas feed and gas is drawn out of the...
10/03/2000
5788564Tunnel carbon dioxide immobilizer
An apparatus for anesthetizing animals for slaughter has a gas chamber with an inlet at one end and an outlet at another end, and an inclined inlet ramp extending to the inlet of the chamber and a declined outlet chute for receiving anesthetized animals f...
08/04/1998
5653629Treatment of birds: humane slaughter of poultry
Poultry packed in a crate suitable for the transport of live poultry are passed into a chamber having an oxygen depleted atmosphere and held in the atmosphere for a sufficient period of time for the poultry first to lose consciousness and then to die as a...
08/05/1997
5643072Method and device for stunning of poultry
Method and device for stunning poultry (8a, 8b, 8c, 8d), which poultry are taken into a first chamber (23) by means of a conveyer (2, 6), which chamber contains a first straining gas or gas mixture which is mixed with oxygen, and are subsequently taken in...
07/01/1997
5487699Treatment of poultry
Apparatus for gas stunning of poultry in open top drawers (22) comprises a tank (10) holding a heavier than air stunning gas such as a mixture argon and carbon dioxide. A lowering conveyor (24) receives the poultry-containing drawers (22), lowers them int...
01/30/1996
5435776Poultry stunning with carbon dioxide
The present invention is directed to a method for treatment of poultry prior to slaughter of the poultry. In the method, poultry are exposed to a first atmosphere having a carbon dioxide concentration sufficient to induce relaxation of the poultry for a p...
07/25/1995
5186677Procedure and plant for the stunning of animals to be slaughtered at slaughterhouses
Stunning of animals to be slaughtered at slaughterhouses takes place by exposing the animals for a sufficiently long period of time to an anaesthetic atmosphere, such as an atmosphere of carbon dioxide. A number of animals is first driven into a transport...
02/16/1993
5152714Treatment of poultry: anoxic poultry stunning
Prior to slaughter, poultry are caused to undergo anoxic convulsions by exposure to an atmosphere for a sufficient period of time to lose consciousness. The poultry are then slaughtered. After slaughter, the poultry are chilled and then deboned or portion...
10/06/1992
5112270Method for stunning animals for slaughter
Animals for slaughter are effectively stunned by injecting or a liquid or gaseous medium in the vicinity of the neurocranium within fractions of a second. Injection takes place under high pressure and for a short time. Undesired metabolic reactions are su...
05/12/1992
4888855Gondola for the transport of animals to be slaughtered, preferably hogs, in an anaesthesia system
A goldola for the transport of animals to be slaughtered, preferably hogs, in an anaesthesia system, said gondola (9) comprising two end gables including an outer end gable (10) and an inner end gable (11). The inner end gable (11) is permanently fastened...
12/26/1989
4107818Animal euthanasia
A method of euthanasia for small animals, particularly cats, involving inducing hypoxia using a mixture of carbon dioxide and oxygen prior to gassing with carbon dioxide. The initial mixture contains not less than 40% carbon dioxide and not more than 50% ...
08/22/1978
 
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