B65B 51/10
Applying or generating heat or pressure or combinations thereof
Official title: Applying or generating heat or pressure or combinations thereof {(welding of plastics per se B29C65/02; closing plastic tube ends in general B29C57/10)}
B65B51/10 (Applying or generating heat or pressure or combinations thereof) appears on 2,625 US grants and 2,699 published applications in this corpus.
Search patents in B65B- Granted patents
- 2,625
- Published applications
- 2,699
- Assignees
- 1,326
- Inventors
- 4,692
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 42 | 0 |
| 1977 | 35 | 0 |
| 1978 | 39 | 0 |
| 1979 | 16 | 0 |
| 1980 | 18 | 0 |
| 1981 | 24 | 0 |
| 1982 | 15 | 0 |
| 1983 | 12 | 0 |
| 1984 | 15 | 0 |
| 1985 | 25 | 0 |
| 1986 | 30 | 0 |
| 1987 | 26 | 0 |
| 1988 | 28 | 0 |
| 1989 | 33 | 0 |
| 1990 | 24 | 0 |
| 1991 | 39 | 0 |
| 1992 | 22 | 0 |
| 1993 | 34 | 0 |
| 1994 | 29 | 0 |
| 1995 | 28 | 0 |
| 1996 | 28 | 0 |
| 1997 | 37 | 0 |
| 1998 | 44 | 0 |
| 1999 | 39 | 0 |
| 2000 | 50 | 0 |
| 2001 | 34 | 13 |
| 2002 | 33 | 46 |
| 2003 | 53 | 61 |
| 2004 | 44 | 64 |
| 2005 | 39 | 68 |
| 2006 | 36 | 63 |
| 2007 | 35 | 62 |
| 2008 | 38 | 54 |
| 2009 | 30 | 73 |
| 2010 | 38 | 86 |
| 2011 | 33 | 78 |
| 2012 | 46 | 88 |
| 2013 | 60 | 97 |
| 2014 | 53 | 124 |
| 2015 | 66 | 128 |
| 2016 | 73 | 153 |
| 2017 | 93 | 161 |
| 2018 | 85 | 188 |
| 2019 | 116 | 134 |
| 2020 | 131 | 129 |
| 2021 | 144 | 133 |
| 2022 | 125 | 165 |
| 2023 | 108 | 135 |
| 2024 | 156 | 175 |
| 2025 | 141 | 126 |
| 2026 | 83 | 95 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B65B 51/26Devices specially adapted for producing transverse or longitudinal seams in webs or1,038
- B65B 51/14By reciprocating or oscillating members753
- B65B 51/22By friction or ultrasonic or high-frequency electrical means529
- B65B 51/16By rotary members161
- B65B 2051/105Heat seal temperature controlIndexing code139
- B65B 51/20By fluid pressure acting directly on folds or on opposed surfaces70
- B65B 51/18By endless bands or chains58
- B65B 51/12By resilient means9
All 9 subgroupsShow fewer
Recent patents
- Tooling for use in heat-sealing of flexible materials used in packaging6 Oct 2026US 12,752,952 B2Greener Corporation
- Bag opening verification system and method for operating a bagging machine29 Sep 2026US 12,747,054 B2Pregis LLC
- Item packaging machine with longitudinal and lateral package sizing29 Sep 2026US 12,747,058 B2Tension International, Inc.
- Method and apparatus for the handling of bags for (hygiene) products22 Sep 2026US 12,741,769 B2Focke & Co. (GmbH & Co.)
- Vertical packaging machine and method for packaging products15 Sep 2026US 12,735,215 B2Ilapak Italia S.P.A.
- Creating virtual pouch in reusable packaging methods and systems24 Sep 2026US 2026/0285518 A1Rz Circular Ltd
- 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.
- Sealing tool, packaging machine and method for manufacturing a sealed bag24 Sep 2026US 2026/0285526 A1OPTIMA life science GmbH
- Making machine and making method for producing pouches each containing a loose product dose17 Sep 2026US 2026/0274476 A1Sasib S.p.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.
Most cited
By later US patents
- Position feedback system and method for use thereof1,075US 6,625,517 B12003
- Method for assembling a package for sutures359US 6,915,623 B2Ethicon, Inc. · 2005
- 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