B29C 65/229
Characterised by the means for tensioning said heated wire, resistive ribbon, resistive
Official title: {characterised by the means for tensioning said heated wire, resistive ribbon, resistive band or resistive strip (means for compensating for the thermal expansion of welding jaws in general B29C66/8185)}
B29C65/229 (Characterised by the means for tensioning said heated wire, resistive ribbon, resistive) appears on 106 US grants and 72 published applications in this corpus.
Search patents in B29C- Granted patents
- 106
- Published applications
- 72
- Assignees
- 56
- Inventors
- 168
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 2 |
| 2003 | 2 | 4 |
| 2004 | 4 | 6 |
| 2005 | 1 | 0 |
| 2006 | 2 | 4 |
| 2007 | 2 | 6 |
| 2008 | 5 | 4 |
| 2009 | 0 | 5 |
| 2010 | 1 | 3 |
| 2011 | 5 | 4 |
| 2012 | 4 | 3 |
| 2013 | 1 | 2 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 4 | 4 |
| 2017 | 1 | 4 |
| 2018 | 1 | 4 |
| 2019 | 5 | 4 |
| 2020 | 2 | 2 |
| 2021 | 4 | 4 |
| 2022 | 4 | 3 |
| 2023 | 3 | 1 |
| 2024 | 2 | 0 |
| 2025 | 1 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Stitchless bulk bag with heat fused seams and method of production17 Feb 2026US 12,552,109 B2Ameriglobe, LLC
- Device for welding two overlapping film sections situated on one side of goods stack to form wrapping23 Dec 2025US 12,502,845 B2MSK-Verpackungs-Systeme GmbH
- Isolation device in a heating and sealing system13 Aug 2024US 12,059,864 B2Pregis Innovative Packaging LLC
- Material welder9 Jan 2024US 11,865,789 B2UltraCut Industries Pty Ltd
- Method and apparatus for making bags12 Sep 2023US 11,752,727 B2CMD Corporation
- Welding tool for welding plastic films4 Jun 2026US 2026/0151968 A1Ropex Industrie-Elektronik GmbH
- Device for welding two overlapping film sections situated on one side of a goods stack, preferably on the upper side of a goods stack, to form a wrapping21 Sep 2023US 2023/0294368 A1MSK-Verpackungs-Systeme GmbH
- Stitchless bulk bag with heat fused seams and method of production22 Sep 2022US 2022/0297388 A1Ameriglobe, LLC
- Material welder14 Jul 2022US 2022/0219404 A1UltraCut Industries Pty Ltd
- Vacuum Sealer and Method of Sealing Same12 May 2022US 2022/0144468 A1Hamilton Beach Brands, Inc.
Most cited
By later US patents
- Seal wire heat control system101US 5,321,230 AShanklin Corporation · 1994
- High speed apparatus for forming foam cushions for packaging purposes89US 5,376,219 ASealed Air Corporation · 1994
- Rupture lines in flexible packages84US 4,226,330 A1980
- Device for sealing two plies of film together, particularly for enclosing a foamable composition in a flexible container72US 6,550,229 B2Sealed Air Corporation (US) · 2003
- Heat bonding device64US 3,964,958 A1976