A01J 5/047
Vacuum generating means
Official title: {Vacuum generating means, e.g. by connecting to the air-inlet of a tractor engine (vacuum pumps F04)}
A01J5/047 (Vacuum generating means) appears on 80 US grants and 75 published applications in this corpus.
Search patents in A01J- Granted patents
- 80
- Published applications
- 75
- Assignees
- 31
- Inventors
- 114
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 1 |
| 2003 | 2 | 3 |
| 2004 | 2 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 2 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 3 |
| 2011 | 3 | 2 |
| 2012 | 2 | 3 |
| 2013 | 2 | 0 |
| 2014 | 2 | 2 |
| 2015 | 2 | 9 |
| 2016 | 5 | 3 |
| 2017 | 2 | 5 |
| 2018 | 4 | 10 |
| 2019 | 4 | 0 |
| 2020 | 7 | 2 |
| 2021 | 1 | 5 |
| 2022 | 2 | 4 |
| 2023 | 4 | 8 |
| 2024 | 3 | 3 |
| 2025 | 3 | 4 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Milking system1 Sep 2026US 12,721,298 B2DeLaval Holding AB
- Milking system5 May 2026US 12,616,159 B2DeLaval Holding AB
- Milk extracting system and computer implemented method10 Feb 2026US 12,543,695 B2DeLaval Holding AB
- System and method for monitoring cleaning process in milking installation13 Jan 2026US 12,520,813 B2DeLaval Holding AB
- Milking system30 Dec 2025US 12,507,666 B2DeLaval Holding AB
- Apparatus and method for monitoring a milking process17 Sep 2026US 2026/0271868 A1GEA Farm Technologies GmbH
- System and method for monitoring cleaning process in milking installation18 Dec 2025US 2025/0380660 A1DeLaval Holding AB
- Milking system3 Jul 2025US 2025/0212831 A1DeLaval Holding AB
- Vacuum supply source9 Jan 2025US 2025/0008911 A1DeLaval Holding AB
- Milking system2 Jan 2025US 2025/0000047 A1DeLaval Holding AB
Most cited
By later US patents
- Vacuum monitoring and signaling apparatus112US 4,616,215 AMaddalena's, Inc. · 1986
- Automatic dairy animal milker unit backflusher and teat dip applicator system and method49US 8,033,247 B2GEA Farm Technologies GmbH · 2011
- Milking equipment31US 8,240,272 B2An Udder IP Company Ltd. · 2012
- Milking equipment26US 9,049,835 B2An Udder IP Company Ltd. · 2015
- Controlling vacuum level with a two-level vacuum system controller and adjustable speed drive21US 5,284,180 ACornell Research Foundation, Inc. · 1994