B64C 3/20
Integral or sandwich constructions
B64C3/20 (Integral or sandwich constructions) appears on 271 US grants and 316 published applications in this corpus.
Search patents in B64C- Granted patents
- 271
- Published applications
- 316
- Assignees
- 93
- Inventors
- 649
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 2 |
| 2002 | 2 | 3 |
| 2003 | 4 | 4 |
| 2004 | 3 | 3 |
| 2005 | 2 | 0 |
| 2006 | 1 | 2 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 1 | 3 |
| 2012 | 0 | 8 |
| 2013 | 0 | 20 |
| 2014 | 6 | 25 |
| 2015 | 14 | 15 |
| 2016 | 17 | 18 |
| 2017 | 14 | 28 |
| 2018 | 15 | 19 |
| 2019 | 24 | 28 |
| 2020 | 27 | 25 |
| 2021 | 21 | 29 |
| 2022 | 25 | 27 |
| 2023 | 25 | 20 |
| 2024 | 24 | 10 |
| 2025 | 15 | 12 |
| 2026 | 9 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hybrid thermoset and thermoplastic composite airplane wings employing thermoplastic co-bonding29 Sep 2026US 12,747,016 B1The Boeing Company
- Fabrication of three-dimensional kirigami structures with tunable properties18 Aug 2026US 12,709,080 B2Massachusetts Institute of Technology
- Aircraft panel18 Aug 2026US 12,709,378 B2Airbus Operations GmbH
- Composite aircraft component with embedded piezoelectric ice protection11 Aug 2026US 12,703,491 B2Goodrich Corporation
- Dry fiber construction of a blended wing body aircraft and method of manufacture16 Jun 2026US 12,654,835 B2JetZero, Inc.
- Hybrid Thermoset and Thermoplastic Composite Airplane Wings Employing Thermoplastic Co-Bonding1 Oct 2026US 2026/0296629 A1The Boeing Company
- Aircraft wing assembly10 Sep 2026US 2026/0264837 A1Airbus Operations GmbH
- Ramped composite structural member for aircraft, and method of forming the same27 Aug 2026US 2026/0249976 A1Airbus Operations GmbH
- Aircraft component with structural foam23 Jul 2026US 2026/0208848 A1JetZero, Inc.
- Composite wing carbon nanotube (cnt) ice protection23 Jul 2026US 2026/0208867 A1Goodrich Corporation
Most cited
By later US patents
- Cellular structures with twelve-cornered cells122US 10,393,315 B2Ford Global Technologies, LLC · 2019
- Monolithic composite wing manufacturing process93US 6,190,484 B12001
- Honeycomb spliced multilayer foam core aircraft composite parts and method for making same88US 4,687,691 AUnited Technologies Corporation · 1987
- Composite wing and manufacturing process thereof78US 5,332,178 AWilliams International Corporation · 1994
- Aerodynamic structures of composite construction54US 4,741,943 AThe Boeing Company · 1988