B65B 51/306
Counter-rotating devices
Official title: {Counter-rotating devices}
B65B51/306 (Counter-rotating devices) appears on 268 US grants and 232 published applications in this corpus.
Search patents in B65B- Granted patents
- 268
- Published applications
- 232
- Assignees
- 129
- Inventors
- 427
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 7 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 7 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 7 | 0 |
| 1998 | 6 | 0 |
| 1999 | 7 | 0 |
| 2000 | 7 | 0 |
| 2001 | 6 | 1 |
| 2002 | 8 | 11 |
| 2003 | 12 | 13 |
| 2004 | 9 | 9 |
| 2005 | 5 | 5 |
| 2006 | 6 | 13 |
| 2007 | 7 | 4 |
| 2008 | 6 | 7 |
| 2009 | 1 | 6 |
| 2010 | 2 | 13 |
| 2011 | 4 | 13 |
| 2012 | 8 | 16 |
| 2013 | 10 | 10 |
| 2014 | 14 | 6 |
| 2015 | 7 | 5 |
| 2016 | 7 | 12 |
| 2017 | 6 | 7 |
| 2018 | 6 | 18 |
| 2019 | 10 | 14 |
| 2020 | 10 | 7 |
| 2021 | 10 | 8 |
| 2022 | 10 | 5 |
| 2023 | 4 | 10 |
| 2024 | 7 | 10 |
| 2025 | 10 | 4 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Horizontal packaging apparatus2 Jun 2026US 12,643,700 B2Ilapak International SA
- Flow wrap packaging structures5 May 2026US 12,617,596 B2ProAmpac Holdings Inc.
- Splice mechanism for a packaging assembly10 Feb 2026US 12,545,456 B2TNA Australia Pty Limited
- Method for operating a flow-wrapping machine30 Dec 2025US 12,509,256 B2Rovema GmbH
- Bagmaking and packaging apparatus21 Oct 2025US 12,448,161 B2Ishida Co., Ltd.
- A movable member for a system for supporting production of packages, corresponding system, filling machine and method6 Aug 2026US 2026/0225748 A1Tetra Laval Holdings & Finance S. A.
- Sealing group for a machine for making pods with extraction products30 Jul 2026US 2026/0217404 A1I,M.A. Industria Macchine Automatiche S.p.A.
- Packaging machine4 Jun 2026US 2026/0152308 A1Ulma Packaging, S. Coop.
- Packaging for a plurality of food items, packaged food product, flow wrap packaging sealing jaws, flow wrap packaging apparatus, method of packaging food items7 May 2026US 2026/0125194 A1Pladis (UK) Limited
- Packaging machine12 Feb 2026US 2026/0042560 A1Ulma Packaging, S. Coop.
Most cited
By later US patents
- Precise portion packaging machine137US 4,703,765 AUnited States Tobacco Company · 1987
- Controlled motion system123US 6,876,107 B2Jacobs Automation LLC · 2005
- Apparatus for and method of transverse sealing for a form-fill-seal packaging machine109US 5,279,098 AIshida Scales Mfg. Co., Ltd. · 1994
- Apparatus for packaging given quantities of snuff99US 4,607,479 ASvenska Tobaks AB · 1986
- Variable motion system and method97US 6,876,896 B1AB TetraPak · 2005