A61D 1/02
Trocars or cannulas for teats
Official title: Trocars or cannulas for teats (milking catheters A01J3/00); Vaccination appliances
A61D1/02 (Trocars or cannulas for teats) appears on 185 US grants and 196 published applications in this corpus.
Search patents in A61D- Granted patents
- 185
- Published applications
- 196
- Assignees
- 116
- Inventors
- 368
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 7 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 6 | 0 |
| 1990 | 2 | 0 |
| 1991 | 7 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 8 |
| 2003 | 5 | 7 |
| 2004 | 2 | 5 |
| 2005 | 3 | 8 |
| 2006 | 1 | 5 |
| 2007 | 3 | 5 |
| 2008 | 2 | 6 |
| 2009 | 0 | 4 |
| 2010 | 4 | 5 |
| 2011 | 0 | 4 |
| 2012 | 5 | 3 |
| 2013 | 4 | 3 |
| 2014 | 1 | 8 |
| 2015 | 2 | 5 |
| 2016 | 2 | 11 |
| 2017 | 5 | 10 |
| 2018 | 6 | 12 |
| 2019 | 10 | 14 |
| 2020 | 4 | 13 |
| 2021 | 13 | 15 |
| 2022 | 9 | 12 |
| 2023 | 10 | 11 |
| 2024 | 8 | 10 |
| 2025 | 10 | 7 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Device and method for handling poultry animals1 Sep 2026US 12,721,713 B2Big Dutchman International GmbH
- Systems and methods of preparing and delivering oocyst solutions21 Apr 2026US 12,605,482 B2Targan, Inc.
- Device for administering a fluid3 Mar 2026US 12,564,683 B2Henke-Sass, Wolf GmbH
- System and method for delivering nutrients to recently hatched chicks6 Jan 2026US 12,514,223 B2Blynda, LLC
- Device for dispensing a fluid drop-by-drop6 Jan 2026US 12,514,978 B2Henke-Sass, Wolf GmbH
- Poultry processing systems and methods30 Jul 2026US 2026/0215901 A1Nova-Tech Engineering, Inc.
- Apparatus and Methods for Treating and Preventing Disease in Livestock9 Jul 2026US 2026/0191632 A1Centre for Dairy Intelligence Limited
- Liquid Applicator for Delivering Vaccines23 Apr 2026US 2026/0108340 A1Boehringer Ingelheim Animal Health USA Inc.
- Injection apparatus and method for use26 Mar 2026US 2026/0083540 A1pHi-Tech Animal Health Technologies Ltd.
- Method of administration of aquaculture vaccines26 Feb 2026US 2026/0053907 A1Zoetis Services LLC
Most cited
By later US patents