B65B 31/02
Filling, closing, or filling and closing, containers or wrappers in chambers maintained
Official title: Filling, closing, or filling and closing, containers {or wrappers} in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas
B65B31/02 (Filling, closing, or filling and closing, containers or wrappers in chambers maintained) appears on 845 US grants and 958 published applications in this corpus.
Search patents in B65B- Granted patents
- 845
- Published applications
- 958
- Assignees
- 516
- Inventors
- 1,586
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 18 | 0 |
| 1978 | 8 | 0 |
| 1979 | 13 | 0 |
| 1980 | 10 | 0 |
| 1981 | 8 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 7 | 0 |
| 1986 | 7 | 0 |
| 1987 | 11 | 0 |
| 1988 | 10 | 0 |
| 1989 | 8 | 0 |
| 1990 | 9 | 0 |
| 1991 | 13 | 0 |
| 1992 | 6 | 0 |
| 1993 | 7 | 0 |
| 1994 | 10 | 0 |
| 1995 | 10 | 0 |
| 1996 | 15 | 0 |
| 1997 | 8 | 0 |
| 1998 | 9 | 0 |
| 1999 | 5 | 0 |
| 2000 | 8 | 0 |
| 2001 | 8 | 3 |
| 2002 | 8 | 6 |
| 2003 | 4 | 19 |
| 2004 | 9 | 17 |
| 2005 | 10 | 46 |
| 2006 | 9 | 24 |
| 2007 | 18 | 9 |
| 2008 | 10 | 35 |
| 2009 | 14 | 25 |
| 2010 | 14 | 27 |
| 2011 | 20 | 33 |
| 2012 | 16 | 46 |
| 2013 | 18 | 30 |
| 2014 | 16 | 42 |
| 2015 | 30 | 65 |
| 2016 | 30 | 49 |
| 2017 | 25 | 40 |
| 2018 | 25 | 61 |
| 2019 | 37 | 59 |
| 2020 | 51 | 63 |
| 2021 | 54 | 71 |
| 2022 | 56 | 51 |
| 2023 | 40 | 51 |
| 2024 | 39 | 35 |
| 2025 | 40 | 23 |
| 2026 | 19 | 28 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pressurized gas source29 Sep 2026US 12,747,053 B2Coravin, Inc.
- Systems and methods for oxygen free packaging15 Sep 2026US 12,735,214 B2Protocol Lab, LLC
- Method and line for filling containers of electrochemical cells and battery production method25 Aug 2026US 12,719,139 B2I.M.A. Industria Macchine Automatiche S.P.A In Sigla Ima S.P.A.
- Method and apparatus for handling and processing of material and devices for freeze-drying18 Aug 2026US 12,709,426 B2Millrock Technology, Inc.
- Modular sealing apparatus21 Jul 2026US 12,686,517 B1Contemplate LLC
- Apparatus and method for vacuum sealing pharmaceuticals into containers1 Oct 2026US 2026/0296695 A1Vanrx Pharmasystems Inc.
- Heat-sealing machine1 Oct 2026US 2026/0296696 A1Ulma Packaging, S. Coop.
- A packaging apparatus for forming a plurality of sealed packages filled with a pourable product24 Sep 2026US 2026/0285520 A1Tetra Laval Holdings & Finance S. A.
- A packaging apparatus for forming a plurality of sealed packages filled with a pourable product17 Sep 2026US 2026/0274477 A1Tetra Laval Holdings & Finance S. A.
- Apparatus and method for unwinding a film portion17 Sep 2026US 2026/0274480 A1Cryovac, Inc.
Most cited
By later US patents
- Automated pharmacy admixture system (APAS)227US 7,783,383 B2Intelligent Hospital Systems Ltd. · 2010
- Automated pharmacy admixture system (APAS)148US 7,610,115 B2Intelligent Hospital Systems Ltd. · 2009
- Shaped thermoformed flexible film container for granular products and method and apparatus for making the same121US 4,684,025 AThe Procter & Gamble Company · 1987
- Packages and methods for processing food products121US 7,205,016 B2SafeFresh Technologies, LLC · 2007
- Devices and methods for filling a flexible liquid medicament container with liquid from a liquid medicament reservoir85US 8,602,067 B2Roche Diagnostics International AG · 2013