A22B 3/005
Slaughtering or stunning: by means of gas
Official title: {by means of gas}
A22B3/005 (Slaughtering or stunning: by means of gas) appears on 82 US grants and 97 published applications in this corpus.
Search patents in A22B- Granted patents
- 82
- Published applications
- 97
- Assignees
- 51
- Inventors
- 165
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 3 |
| 2004 | 0 | 2 |
| 2005 | 3 | 6 |
| 2006 | 1 | 8 |
| 2007 | 0 | 9 |
| 2008 | 10 | 6 |
| 2009 | 3 | 4 |
| 2010 | 5 | 3 |
| 2011 | 0 | 1 |
| 2012 | 4 | 1 |
| 2013 | 2 | 0 |
| 2014 | 1 | 5 |
| 2015 | 8 | 10 |
| 2016 | 1 | 2 |
| 2017 | 1 | 4 |
| 2018 | 3 | 4 |
| 2019 | 4 | 2 |
| 2020 | 6 | 4 |
| 2021 | 3 | 1 |
| 2022 | 0 | 2 |
| 2023 | 2 | 4 |
| 2024 | 1 | 4 |
| 2025 | 6 | 7 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of reducing stress level in animals27 Jan 2026US 12,533,221 B2Marel Meat A/S
- Poultry stun detection system and method23 Dec 2025US 12,501,907 B1National Chung Hsing University
- Animal euthanasia method and apparatus14 Oct 2025US 12,439,928 B211778188 Canada Inc.
- Method and system for pre-stunning and/or stunning animals30 Sep 2025US 12,426,604 B2Marel Meat A/S
- Onsite CO2 generation for poultry stunning26 Aug 2025US 12,396,464 B2Messer Industries USA, Inc.
- Euthanasia chamber for receiving intact wire cage traps containing live animals and method of use1 Oct 2026US 2026/0293916 A1
- Method of stunning pigs using gas and slaughterhouse for slaughtering pigs30 Jul 2026US 2026/0215441 A1Marel Meat A/S
- System for supplying co2 gas to a facility that requires co2 or a mixture comprising co2, such as an abattoir or a greenhouse for cultivating plants5 Feb 2026US 2026/0036363 A1Air Liquide France Industrie
- Animal euthanasia method and apparatus15 Jan 2026US 2026/0013519 A111778188 Canada Inc.
- Method and apparatus for anesthetizing slaughter animals11 Sep 2025US 2025/0280838 A1Marel Iceland Ehf
Most cited
By later US patents
- Method and device for stunning of poultry48US 5,643,072 AStork PMT B. V. · 1997
- Method and device for collecting poultry and transporting the poultry to a slaughterhouse45US 5,975,029 AStork PMT B. V. · 1999
- Method and device for processing slaughter products45US 6,912,434 B2Stork PMT B. V. · 2005
- Method and apparatus for anaesthetizing animals for slaughter with gas40US 6,126,534 AStork MPS B.V. · 2000
- Pet treatment door35US 5,220,882 A1993