B29C 33/76
Cores
Official title: Cores (B29C33/02 - B29C33/70, {B29C41/40, B29C53/74, B29C53/82} take precedence)
B29C33/76 (Cores) appears on 298 US grants and 293 published applications in this corpus.
Search patents in B29C- Granted patents
- 298
- Published applications
- 293
- Assignees
- 249
- Inventors
- 717
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 6 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 7 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 10 | 0 |
| 1998 | 10 | 0 |
| 1999 | 8 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 1 |
| 2002 | 5 | 5 |
| 2003 | 2 | 6 |
| 2004 | 6 | 7 |
| 2005 | 2 | 10 |
| 2006 | 2 | 7 |
| 2007 | 1 | 11 |
| 2008 | 10 | 7 |
| 2009 | 5 | 22 |
| 2010 | 9 | 10 |
| 2011 | 9 | 12 |
| 2012 | 6 | 13 |
| 2013 | 11 | 17 |
| 2014 | 9 | 18 |
| 2015 | 11 | 11 |
| 2016 | 10 | 13 |
| 2017 | 4 | 12 |
| 2018 | 10 | 8 |
| 2019 | 9 | 13 |
| 2020 | 10 | 14 |
| 2021 | 10 | 17 |
| 2022 | 12 | 16 |
| 2023 | 13 | 8 |
| 2024 | 12 | 19 |
| 2025 | 14 | 10 |
| 2026 | 2 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus, system, and method for manufacturing of composite structures6 Oct 2026US 12,752,463 B2University of Florida Research Foundation, Inc.
- Method for producing fiber-reinforced resin article, and fiber-reinforced resin article10 Mar 2026US 12,570,811 B2Mitsubishi Chemical Corporation
- Pull-through winding system and method23 Dec 2025US 12,502,847 B2IsoTruss, Inc.
- Method for producing a vane comprising a reinforced cavity23 Dec 2025US 12,502,852 B2Safran
- Propeller blade or airfoil with hollow composite root2 Dec 2025US 12,485,627 B2Safran
- Method of making hollow component of composite material using collapsable and reusable mandrel1 Oct 2026US 2026/0295950 A1Universita' Degli Studi Di Catania
- Mold and method for molding flexible externally toothed gear27 Aug 2026US 2026/0249573 A1Harmonic Drive Systems Inc.
- Vertical draw-groove mold16 Jul 2026US 2026/0200142 A1
- Mold comprising deformable cores21 May 2026US 2026/0138316 A1Samsung Electronics Co., Ltd.
- Moulding male device14 May 2026US 2026/0131508 A1Sacmi Cooperativa Meccanici Imola Societa' Cooperativa
Most cited
By later US patents
- Method and apparatus for layup tooling118US 9,597,843 B2The Boeing Company · 2017
- Apparatuses for layup tooling117US 10,118,347 B2The Boeing Company · 2018
- Large composite core structures formed by vacuum assisted resin transfer molding92US 5,904,972 ATPI Technology, Inc. · 1999
- Process for manufacturing homogeneously needled three-dimensional structures of fibrous material89US 4,790,052 ASociete Europeenne de Propulsion · 1988
- Large composite structures incorporating a resin distribution network83US 5,721,034 AScrimp Systems, LLC · 1998