B29C 55/20
Edge clamps
B29C55/20 (Edge clamps) appears on 135 US grants and 135 published applications in this corpus.
Search patents in B29C- Granted patents
- 135
- Published applications
- 135
- Assignees
- 75
- Inventors
- 318
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 5 |
| 2003 | 2 | 1 |
| 2004 | 1 | 3 |
| 2005 | 2 | 5 |
| 2006 | 1 | 2 |
| 2007 | 3 | 4 |
| 2008 | 1 | 2 |
| 2009 | 3 | 14 |
| 2010 | 2 | 5 |
| 2011 | 6 | 8 |
| 2012 | 7 | 7 |
| 2013 | 1 | 1 |
| 2014 | 1 | 3 |
| 2015 | 6 | 4 |
| 2016 | 5 | 15 |
| 2017 | 4 | 6 |
| 2018 | 5 | 8 |
| 2019 | 3 | 6 |
| 2020 | 10 | 3 |
| 2021 | 8 | 4 |
| 2022 | 3 | 6 |
| 2023 | 4 | 7 |
| 2024 | 5 | 4 |
| 2025 | 4 | 9 |
| 2026 | 6 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Link mechanism for resin-film stretch apparatus, resin-film stretch apparatus, and method of manufacturing resin film8 Sep 2026US 12,728,585 B2The Japan Steel Works, Ltd.
- Method and apparatus for stretching plastic films30 Jun 2026US 12,668,019 B2BB Engineering GmbH
- Link mechanism, link device, and stretching machine23 Jun 2026US 12,661,845 B2The Japan Steel Works, Ltd.
- Stretching apparatus and parts replacement method of stretching apparatus26 May 2026US 12,636,818 B2The Japan Steel Works, Ltd.
- Link mechanism, link device, and stretching machine10 Feb 2026US 12,544,970 B2The Japan Steel Works, Ltd.
- Link mechanism, link device, and stretching machine17 Sep 2026US 2026/0273837 A1The Japan Steel Works, Ltd.
- Stretching machine and rail for stretching machine13 Aug 2026US 2026/0233456 A1The Japan Steel Works, Ltd.
- Film conveyance machine, film conveyance method, and film manufacturing apparatus30 Jul 2026US 2026/0216939 A1The Japan Steel Works, Ltd.
- Coating apparatus20 Nov 2025US 2025/0353239 A1Fu-SE Vacuum Forming Co., Ltd.
- Coating apparatus20 Nov 2025US 2025/0353240 A1Fu-SE Vacuum Forming Co., Ltd.
Most cited
By later US patents
- Apparatus for drawing plastic film in a tenter frame79US 5,072,493 AE. I. Du Pont de Nemours and Company · 1991
- Processes and apparatus for making transversely drawn films with substantially uniaxial character74US 6,916,440 B23M Innovative Properties Company · 2005
- Processes and apparatus for making transversely drawn films with substantially uniaxial character70US 6,939,499 B23M Innovative Properties Company · 2005
- Width stretching device58US 5,043,036 AMinnesota Mining and Manufacturing Company · 1991
- Method of drawing plastic film in a tenter frame57US 5,051,225 AE. I. Du Pont de Nemours and Company · 1991