B29C 70/546
Measures for feeding or distributing the matrix material in the reinforcing structure
Official title: {Measures for feeding or distributing the matrix material in the reinforcing structure}
B29C70/546 (Measures for feeding or distributing the matrix material in the reinforcing structure) appears on 443 US grants and 552 published applications in this corpus.
Search patents in B29C- Granted patents
- 443
- Published applications
- 552
- Assignees
- 263
- Inventors
- 1,090
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 2 |
| 2002 | 7 | 8 |
| 2003 | 9 | 16 |
| 2004 | 7 | 24 |
| 2005 | 12 | 16 |
| 2006 | 8 | 11 |
| 2007 | 11 | 11 |
| 2008 | 6 | 14 |
| 2009 | 4 | 16 |
| 2010 | 6 | 18 |
| 2011 | 13 | 21 |
| 2012 | 12 | 29 |
| 2013 | 12 | 34 |
| 2014 | 18 | 25 |
| 2015 | 25 | 29 |
| 2016 | 19 | 33 |
| 2017 | 14 | 21 |
| 2018 | 25 | 34 |
| 2019 | 26 | 32 |
| 2020 | 34 | 29 |
| 2021 | 19 | 27 |
| 2022 | 26 | 23 |
| 2023 | 29 | 30 |
| 2024 | 23 | 13 |
| 2025 | 18 | 18 |
| 2026 | 5 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Lightweight molded covers and plates8 Sep 2026US 12,729,501 B2Hubbell Incorporated
- Resin transfer molding in composite manufacturing21 Jul 2026US 12,686,187 B2Board of Trustees of Michigan State University
- Interlayer, spar cap and wind turbine blade26 May 2026US 12,638,001 B2Lm Wind Power A/S
- Hybrid veil as interlayer in composite materials5 May 2026US 12,617,161 B2Cytec Industries Inc.
- Gripping apparatus and associated systems and methods for gripping flexible materials24 Feb 2026US 12,558,799 B2The Boeing Company
- Structural-body molding method and joined structural body17 Sep 2026US 2026/0273873 A1Dai-Ichi Dentsu Ltd.
- Film for joining parts10 Sep 2026US 2026/0264349 A1
- Manufacturing device and manufacturing method for pressure tank27 Aug 2026US 2026/0249544 A1Toyota Jidosha Kabushiki Kaisha
- A prepreg, a method of testing thereof and a process for its manufacture27 Aug 2026US 2026/0249569 A1Hexcel Composites Limited
- Resin infusion tool and methods of infusing resin20 Aug 2026US 2026/0241646 A1The Boeing Company
Most cited
By later US patents
- Three dimensional printer for fiber reinforced composite filament fabrication245US 9,126,367 B1Markforged, Inc. · 2015
- Vacuum resin impregnation process229US 4,942,013 AMcDonnell Douglas Corporation · 1990
- Plastic transfer molding techniques for the production of fiber reinforced plastic structures209US 4,902,215 A1990
- Resin film infusion process and apparatus194US 4,622,091 AThe Boeing Company · 1986
- Three dimensional printer for fiber reinforced composite filament fabrication159US 9,327,453 B2Markforged, Inc. · 2016