B29C 33/20
Opening, closing or clamping
B29C33/20 (Opening, closing or clamping) appears on 844 US grants and 572 published applications in this corpus.
Search patents in B29C- Granted patents
- 844
- Published applications
- 572
- Assignees
- 522
- Inventors
- 1,703
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 19 | 0 |
| 1977 | 14 | 0 |
| 1978 | 11 | 0 |
| 1979 | 3 | 0 |
| 1980 | 12 | 0 |
| 1981 | 8 | 0 |
| 1982 | 12 | 0 |
| 1983 | 11 | 0 |
| 1984 | 14 | 0 |
| 1985 | 11 | 0 |
| 1986 | 12 | 0 |
| 1987 | 13 | 0 |
| 1988 | 18 | 0 |
| 1989 | 15 | 0 |
| 1990 | 15 | 0 |
| 1991 | 26 | 0 |
| 1992 | 12 | 0 |
| 1993 | 18 | 0 |
| 1994 | 14 | 0 |
| 1995 | 12 | 0 |
| 1996 | 14 | 0 |
| 1997 | 15 | 0 |
| 1998 | 24 | 0 |
| 1999 | 17 | 0 |
| 2000 | 16 | 0 |
| 2001 | 15 | 9 |
| 2002 | 18 | 12 |
| 2003 | 16 | 24 |
| 2004 | 16 | 21 |
| 2005 | 16 | 16 |
| 2006 | 23 | 31 |
| 2007 | 19 | 22 |
| 2008 | 18 | 22 |
| 2009 | 9 | 21 |
| 2010 | 23 | 21 |
| 2011 | 14 | 31 |
| 2012 | 21 | 31 |
| 2013 | 24 | 27 |
| 2014 | 29 | 20 |
| 2015 | 23 | 20 |
| 2016 | 16 | 19 |
| 2017 | 23 | 18 |
| 2018 | 15 | 23 |
| 2019 | 12 | 17 |
| 2020 | 14 | 19 |
| 2021 | 24 | 22 |
| 2022 | 17 | 36 |
| 2023 | 14 | 23 |
| 2024 | 20 | 32 |
| 2025 | 29 | 21 |
| 2026 | 20 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Clamshell shape forming systems and methods6 Oct 2026US 12,752,498 B2Goodrich Corporation
- Column-free closing unit for an injection-moulding apparatus4 Aug 2026US 12,697,758 B2
- Shell removal device28 Jul 2026US 12,691,611 B2Align Technology, Inc.
- System for assembling a wind turbine blade shell16 Jun 2026US 12,654,406 B2Lm Wind Power A/S
- Loudspeaker and method of manufacture26 May 2026US 12,641,372 B2Pss Belgium NV
- Mould fitted with an improved pusher device8 Oct 2026US 2026/0307298 A1
- Catheter pump and mold13 Aug 2026US 2026/0232993 A1Magassist, Inc.
- Screw cap6 Aug 2026US 2026/0225769 A1Honda Motor Co., Ltd.
- Systems and methods for processing materials using expandable tooling23 Jul 2026US 2026/0208403 A1The Boeing Company
- Vertical draw-groove mold16 Jul 2026US 2026/0200142 A1
Most cited
By later US patents
- Intervertebral allograft spacer747US 6,258,125 B1Synthes USA, LLC · 2001
- Intervertebral allograft spacer502US 6,554,863 B2Musculoskeletal Transplant Foundation · 2003
- Skeletal reconstruction cages270US 6,660,038 B2Synthes USA, LLC · 2003
- Intervertebral allograft spacer201US 6,986,788 B2Synthes USA, LLC · 2006
- Starch-based compositions having uniformly dispersed fibers used to manufacture high strength articles having a fiber-reinforced, starch-bound cellular matrix165US 5,679,145 AE. Khashoggi Industries · 1997