B29C 70/521
And impregnating the reinforcement before the die
Official title: {and impregnating the reinforcement before the die}
B29C70/521 (And impregnating the reinforcement before the die) appears on 270 US grants and 312 published applications in this corpus.
Search patents in B29C- Granted patents
- 270
- Published applications
- 312
- Assignees
- 200
- Inventors
- 676
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 8 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 2 |
| 2002 | 1 | 5 |
| 2003 | 1 | 3 |
| 2004 | 2 | 2 |
| 2005 | 5 | 4 |
| 2006 | 1 | 4 |
| 2007 | 2 | 7 |
| 2008 | 1 | 7 |
| 2009 | 2 | 6 |
| 2010 | 0 | 12 |
| 2011 | 8 | 10 |
| 2012 | 6 | 15 |
| 2013 | 9 | 13 |
| 2014 | 6 | 14 |
| 2015 | 10 | 13 |
| 2016 | 7 | 24 |
| 2017 | 15 | 16 |
| 2018 | 15 | 21 |
| 2019 | 16 | 20 |
| 2020 | 16 | 26 |
| 2021 | 13 | 23 |
| 2022 | 18 | 17 |
| 2023 | 16 | 15 |
| 2024 | 15 | 13 |
| 2025 | 14 | 10 |
| 2026 | 3 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Liquid thermoplastic resin and pultrusion method21 Jul 2026US 12,686,189 B2
- Coating system and method3 Feb 2026US 12,539,678 B2Tecton Products, LLC
- Method of forming a sporting implement20 Jan 2026US 12,528,260 B2Bauer Hockey, LLC
- Accelerated peroxide-cured resin compositions having extended open times2 Dec 2025US 12,486,381 B2Arkema Inc.
- Die, die assembly, equipment and method for forming rods of fibrous material25 Nov 2025US 12,479,174 B2British American Tobacco (Investments) Limited
- Frp rebar forming apparatus8 Oct 2026US 2026/0307342 A1Tsudakoma Kogyo Kabushiki Kaisha
- Pultrusion process for manufacturing a fibre reinforced composite article for a wind turbine blade24 Sep 2026US 2026/0284987 A1Lm Wind Power A/S
- Pultruded plank, spar cap, wind turbine blade, and pultrusion preparation process24 Sep 2026US 2026/0286932 A1Owens Corning Intellectual Capital, LLC
- Method of production of frp composite rebar30 Jul 2026US 2026/0216974 A1Limited Liability Company Composite Group Chelyabinsk
- Thermoplastic composite and method for producing thereof for reinforcing structure23 Jul 2026US 2026/0208450 A1Arkema France
Most cited
By later US patents
- Methods of making continuous length reinforced plastic articles248US 3,993,726 AHercules Incorporated · 1976
- Methods for fiber reinforced additive manufacturing188US 9,370,896 B2Markforged, Inc. · 2016
- Synthetic reinforcing strands with spaced filaments130US 5,866,253 AIsorca, Inc. · 1999
- 3D thermoplastic composite pultrusion system and method121US 9,764,520 B2Ebert Composites Corporation · 2017
- 3D thermoplastic composite pultrusion system and method120US 9,616,623 B2Ebert Composites Corporation · 2017