B29C 70/549
Details of caul plates
Official title: {Details of caul plates, e.g. materials or shape}
B29C70/549 (Details of caul plates) appears on 217 US grants and 209 published applications in this corpus.
Search patents in B29C- Granted patents
- 217
- Published applications
- 209
- Assignees
- 90
- Inventors
- 460
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 5 | 5 |
| 2003 | 4 | 1 |
| 2004 | 5 | 4 |
| 2005 | 1 | 4 |
| 2006 | 0 | 4 |
| 2007 | 3 | 2 |
| 2008 | 3 | 5 |
| 2009 | 2 | 11 |
| 2010 | 5 | 8 |
| 2011 | 6 | 6 |
| 2012 | 5 | 14 |
| 2013 | 5 | 12 |
| 2014 | 9 | 8 |
| 2015 | 9 | 8 |
| 2016 | 6 | 8 |
| 2017 | 8 | 13 |
| 2018 | 8 | 6 |
| 2019 | 8 | 7 |
| 2020 | 11 | 14 |
| 2021 | 14 | 16 |
| 2022 | 9 | 20 |
| 2023 | 19 | 10 |
| 2024 | 16 | 13 |
| 2025 | 12 | 4 |
| 2026 | 7 | 6 |
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.
- Autoclave curing jig22 Sep 2026US 12,741,432 B1Amazon Technologies, Inc.
- Integrated caul with elastomeric seals18 Aug 2026US 12,709,076 B2The Boeing Company
- System and method for seal validation in a composite part manufacturing process16 Jun 2026US 12,654,408 B2The Boeing Company
- Curing composites out-of-autoclave using induction heating with smart susceptors7 Apr 2026US 12,594,696 B2The Boeing Company
- System and method for seal validation in a composite part manufacturing process17 Sep 2026US 2026/0273872 A1The Boeing Company
- Sacrificial element for the production of ribbed bodies of composite material20 Aug 2026US 2026/0241615 A1Addyx S.R.L.
- Curing composites out-of-autoclave using induction heating with smart susceptors9 Jul 2026US 2026/0192494 A1The Boeing Company
- Tooling assembly for forming and curing a composite preform in a single process step and a method14 May 2026US 2026/0131546 A1The Boeing Company
- Systems and methods for bladder pressure forming a preform into a shaped body16 Apr 2026US 2026/0102950 A1Rohr, Inc.
Most cited
By later US patents
- Vacuum resin impregnation process229US 4,942,013 AMcDonnell Douglas Corporation · 1990
- Caul and method for bonding and curing intricate composite structures196US 5,242,523 AThe Boeing Company · 1993
- Method and apparatus for manufacturing composite structures147US 6,692,681 B1Raytheon Aircraft Company · 2004
- Tooling method for resin transfer molding104US 5,152,949 AUnited Technologies Corporation · 1992
- Method of forming composite material articles103US 4,608,220 AThe Boeing Company · 1986