B29C 51/38
Opening, closing or clamping means
B29C51/38 (Opening, closing or clamping means) appears on 79 US grants and 83 published applications in this corpus.
Search patents in B29C- Granted patents
- 79
- Published applications
- 83
- Assignees
- 72
- Inventors
- 198
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 0 | 2 |
| 2003 | 1 | 2 |
| 2004 | 2 | 1 |
| 2005 | 2 | 5 |
| 2006 | 0 | 3 |
| 2007 | 1 | 2 |
| 2008 | 2 | 1 |
| 2009 | 4 | 3 |
| 2010 | 2 | 3 |
| 2011 | 2 | 1 |
| 2012 | 1 | 2 |
| 2013 | 2 | 7 |
| 2014 | 1 | 5 |
| 2015 | 3 | 2 |
| 2016 | 5 | 1 |
| 2017 | 3 | 2 |
| 2018 | 3 | 5 |
| 2019 | 0 | 6 |
| 2020 | 3 | 8 |
| 2021 | 4 | 4 |
| 2022 | 6 | 4 |
| 2023 | 3 | 2 |
| 2024 | 2 | 5 |
| 2025 | 3 | 2 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Negative mold for luggage molding and application thereof19 May 2026US 12,629,882 B2Chuzhou Yujian Travel Product Co., Ltd.
- Aligner manufacturing methods24 Mar 2026US 12,583,170 B1Align Technology, Inc.
- Thermoforming process with a reformable mold3 Mar 2026US 12,564,994 B2Ford Motor Company
- Method for producing grinding liquid mixing tank and the structure thereof9 Sep 2025US 12,409,611 B2Creative System Technology Ltd.
- Molding system, support arm, resin molding device, method for supporting supported member, mold, and method for producing molded body27 May 2025US 12,311,592 B2Kyoraku Co., Ltd.
- Aligner manufacturing systems9 Jul 2026US 2026/0192507 A1Align Technology, Inc.
- Blocking and locking device for a thermoforming mold half2 Jul 2026US 2026/0184008 A1Ftt S.R.L.
- Tool For Manufacturing A Thermoformed Fiber Composite Component18 Jun 2026US 2026/0166804 A1Premium Aerotec GmbH
- Laminate film manufacturing method11 Jun 2026US 2026/0158733 A1Toyota Jidosha Kabushiki Kaisha
- Thermoforming device11 Sep 2025US 2025/0282089 A1Asano Laboratories Co., Ltd.
Most cited
By later US patents
- Thermoforming apparatus with improved press26US 6,200,122 B1Brown Machine, LLC. · 2001
- Small blank feeder and tray former25US 4,435,143 APeerless Machine & Tool Corporation · 1984
- Twin sheet thermoformer25US 5,814,185 AKvaerner U.S. Inc. · 1998
- Thermoforming machine with variable mold closed cycle24US 4,158,539 ALeesona Corporation · 1979
- Injection molding machine23US 4,439,123 AKabushiki Kaisha Kobe Seiko Sho · 1984