B29C 70/544
Details of vacuum bags
Official title: {Details of vacuum bags, e.g. materials or shape}
B29C70/544 (Details of vacuum bags) appears on 158 US grants and 194 published applications in this corpus.
Search patents in B29C- Granted patents
- 158
- Published applications
- 194
- Assignees
- 88
- Inventors
- 431
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 3 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 3 |
| 2006 | 2 | 2 |
| 2007 | 1 | 5 |
| 2008 | 3 | 6 |
| 2009 | 1 | 2 |
| 2010 | 0 | 9 |
| 2011 | 1 | 6 |
| 2012 | 10 | 4 |
| 2013 | 4 | 5 |
| 2014 | 8 | 5 |
| 2015 | 4 | 3 |
| 2016 | 2 | 12 |
| 2017 | 6 | 7 |
| 2018 | 7 | 6 |
| 2019 | 7 | 15 |
| 2020 | 10 | 5 |
| 2021 | 10 | 12 |
| 2022 | 7 | 20 |
| 2023 | 11 | 13 |
| 2024 | 15 | 30 |
| 2025 | 15 | 10 |
| 2026 | 9 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Corrosion resistant steel (CRES) bladder29 Sep 2026US 12,746,730 B2GKN Fokker Aerospace B.V.
- Scrolls that vacuum secure objects to complex surfaces25 Aug 2026US 12,715,181 B2The Boeing Company
- Integrated caul with elastomeric seals18 Aug 2026US 12,709,076 B2The Boeing Company
- Vacuum bag sealing system14 Jul 2026US 12,679,050 B2The Boeing Company
- System and method for seal validation in a composite part manufacturing process16 Jun 2026US 12,654,408 B2The Boeing Company
- System and method for seal validation in a composite part manufacturing process17 Sep 2026US 2026/0273872 A1The Boeing Company
- Apparatus and methods for forming composite components30 Jul 2026US 2026/0216970 A1Short Brothers PLC
- Apparatus and Methods for Forming Composite Components23 Jul 2026US 2026/0208452 A1Short Brothers PLC
- Method for manufacturing a decorated thermoplastic shell in a single operation2 Jul 2026US 2026/0184028 A1Airbus Atlantic
- Forming dry fiber composite preforms18 Jun 2026US 2026/0166782 A1The Boeing Company
Most cited
By later US patents
- Unitary vacuum bag for forming fiber reinforced composite articles125US 5,316,462 A1994
- Unitary vacuum bag for forming fiber reinforced composite articles and process for making same110US 5,439,635 AScrimp Systems, LLC · 1995
- Apparatus for forming a composite article102US 5,087,193 A1992
- Embossed vacuum bag, methods for producing and using said bag102US 5,129,813 A1992
- Fabrication of large hollow composite structure with precisely defined outer surface93US 5,683,646 AMcDonnell Douglas Corporation · 1997