B29C 70/021
Combinations of fibrous reinforcement and non-fibrous material
Official title: {Combinations of fibrous reinforcement and non-fibrous material}
B29C70/021 (Combinations of fibrous reinforcement and non-fibrous material) appears on 670 US grants and 639 published applications in this corpus.
Search patents in B29C- Granted patents
- 670
- Published applications
- 639
- Assignees
- 473
- Inventors
- 1,581
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 6 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 6 | 0 |
| 1981 | 7 | 0 |
| 1982 | 7 | 0 |
| 1983 | 4 | 0 |
| 1984 | 7 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 9 | 0 |
| 1989 | 9 | 0 |
| 1990 | 11 | 0 |
| 1991 | 6 | 0 |
| 1992 | 9 | 0 |
| 1993 | 14 | 0 |
| 1994 | 12 | 0 |
| 1995 | 14 | 0 |
| 1996 | 17 | 0 |
| 1997 | 20 | 0 |
| 1998 | 25 | 0 |
| 1999 | 15 | 0 |
| 2000 | 16 | 0 |
| 2001 | 4 | 3 |
| 2002 | 7 | 9 |
| 2003 | 11 | 12 |
| 2004 | 3 | 11 |
| 2005 | 6 | 8 |
| 2006 | 5 | 14 |
| 2007 | 5 | 10 |
| 2008 | 6 | 16 |
| 2009 | 3 | 15 |
| 2010 | 3 | 19 |
| 2011 | 12 | 24 |
| 2012 | 6 | 21 |
| 2013 | 17 | 34 |
| 2014 | 17 | 53 |
| 2015 | 22 | 43 |
| 2016 | 29 | 45 |
| 2017 | 26 | 35 |
| 2018 | 34 | 41 |
| 2019 | 30 | 37 |
| 2020 | 42 | 41 |
| 2021 | 30 | 44 |
| 2022 | 28 | 34 |
| 2023 | 37 | 28 |
| 2024 | 27 | 16 |
| 2025 | 12 | 19 |
| 2026 | 13 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Selective placement of advanced composites in extruded articles and building components15 Sep 2026US 12,735,937 B2Andersen Corporation
- Three-dimensional printed composite articles4 Aug 2026US 12,697,798 B2Impossible Objects, Inc.
- Method of making a carbon-carbon composite with internal microchannels21 Jul 2026US 12,686,644 B1Cornerstone Research Group, Inc.
- Additive manufacturing using continuous-fiber reinforced composites with graphene30 Jun 2026US 12,668,031 B2Kansas State University Research Foundation
- Method for producing composite material2 Jun 2026US 12,643,267 B2Teijin Limited
- Method for manufacturing root section of wind turbine blade, root section, semi-manufactured part of root section, wind turbine blade, and wind turbine1 Oct 2026US 2026/0298195 A1Envision Energy Technology Pte Ltd.
- Method of manufacturing a woven fabric for a composite airfoil for a turbine engine30 Jul 2026US 2026/0216966 A1General Electric Company
- Method for manufacturing a self-stiffened intermediate casing and intermediate casing obtained using this method9 Jul 2026US 2026/0192528 A1
- Enhanced carbon fiber and vibrationally-arranged additive methods, systems, devices, and products14 May 2026US 2026/0132261 A1Light Year Research Labs, LLC
- Manufacturing method of spoke assembly12 Mar 2026US 2026/0070288 A1Xiamen Carbonking Composites Technology Co., Ltd.
Most cited
By later US patents
- 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
- Golf club141US 4,793,616 A1988
- Molded composite article and method for making the article137US 4,025,686 AOwens-Corning Fiberglas Corporation · 1977
- Articles having a starch-bound cellular matrix reinforced with uniformly dispersed fibers132US 5,683,772 AE. Khashoggi Industries · 1997
- Synthetic reinforcing strands with spaced filaments130US 5,866,253 AIsorca, Inc. · 1999