B29C 70/443
And impregnating by vacuum or injection
Official title: {and impregnating by vacuum or injection}
B29C70/443 (And impregnating by vacuum or injection) appears on 832 US grants and 1,062 published applications in this corpus.
Search patents in B29C- Granted patents
- 832
- Published applications
- 1,062
- Assignees
- 412
- Inventors
- 1,969
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 9 | 0 |
| 1993 | 7 | 0 |
| 1994 | 6 | 0 |
| 1995 | 5 | 0 |
| 1996 | 5 | 0 |
| 1997 | 6 | 0 |
| 1998 | 3 | 0 |
| 1999 | 6 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 5 |
| 2002 | 6 | 14 |
| 2003 | 13 | 18 |
| 2004 | 7 | 35 |
| 2005 | 11 | 21 |
| 2006 | 14 | 13 |
| 2007 | 9 | 21 |
| 2008 | 10 | 36 |
| 2009 | 10 | 25 |
| 2010 | 14 | 46 |
| 2011 | 26 | 52 |
| 2012 | 30 | 45 |
| 2013 | 30 | 43 |
| 2014 | 36 | 49 |
| 2015 | 34 | 64 |
| 2016 | 35 | 51 |
| 2017 | 28 | 50 |
| 2018 | 56 | 43 |
| 2019 | 43 | 64 |
| 2020 | 60 | 59 |
| 2021 | 44 | 62 |
| 2022 | 54 | 59 |
| 2023 | 53 | 55 |
| 2024 | 56 | 60 |
| 2025 | 47 | 44 |
| 2026 | 21 | 28 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Composite forming29 Sep 2026US 12,746,731 B2The Boeing Company
- Curing tool assemblies, methods and systems for composite manufacturing15 Sep 2026US 12,734,769 B2The Boeing Company
- Stock for a firearm and method of manufacturing a stock for a firearm15 Sep 2026US 12,736,303 B2Dikar, S. Coop.
- Method for preparing an enhanced auxetic composite material (EACM)18 Aug 2026US 12,708,167 B2Honeywell Safety Products USA, Inc.
- Method for manufacturing a vane made from composite material comprising a serration element and an anti-erosion coating1 Oct 2026US 2026/0295949 A1Safran Aerospace Composites
- A Basalt-Based Profile with Polyurethane Coating24 Sep 2026US 2026/0284982 A1Unknown Nordic Aps
- Moulding apparatus24 Sep 2026US 2026/0284986 A1
- Continuous Aircraft Structure24 Sep 2026US 2026/0285470 A1
- Molding Tool, Method of Manufacturing The Same and Method of Producing a Composite Part in Said Tool3 Sep 2026US 2026/0257401 A1Corebon AB
Most cited
By later US patents
- Method of making same256US 4,187,271 AOwens-Corning Fiberglas Corporation · 1980
- 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
- Plastic transfer molding apparatus for the production of fiber reinforced plastic structures140US 5,052,906 ASeemann Composite Systems, Inc. · 1991
- Fiber reinforced composite cores and panels134US 6,740,381 B2Webcore Technologies, Inc. · 2004