B64C 3/18
Spars
Official title: Spars; Ribs; Stringers
B64C3/18 (Spars) appears on 899 US grants and 976 published applications in this corpus.
Search patents in B64C- Granted patents
- 899
- Published applications
- 976
- Assignees
- 191
- Inventors
- 1,669
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 7 | 0 |
| 1997 | 10 | 0 |
| 1998 | 9 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 3 |
| 2002 | 1 | 3 |
| 2003 | 5 | 1 |
| 2004 | 5 | 4 |
| 2005 | 2 | 7 |
| 2006 | 5 | 10 |
| 2007 | 2 | 7 |
| 2008 | 3 | 22 |
| 2009 | 7 | 25 |
| 2010 | 13 | 23 |
| 2011 | 21 | 18 |
| 2012 | 19 | 26 |
| 2013 | 19 | 33 |
| 2014 | 29 | 41 |
| 2015 | 29 | 37 |
| 2016 | 40 | 61 |
| 2017 | 40 | 63 |
| 2018 | 56 | 54 |
| 2019 | 65 | 79 |
| 2020 | 67 | 98 |
| 2021 | 61 | 83 |
| 2022 | 88 | 85 |
| 2023 | 84 | 54 |
| 2024 | 71 | 57 |
| 2025 | 76 | 52 |
| 2026 | 29 | 30 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hybrid thermoset and thermoplastic composite airplane wings employing thermoplastic co-bonding29 Sep 2026US 12,747,016 B1The Boeing Company
- Joint assembly1 Sep 2026US 12,722,772 B2Airbus Operations GmbH
- Aircraft comprising at least one engine mounting system having wing mounts positioned approximately in a median longitudinal plane25 Aug 2026US 12,715,596 B2Airbus Operations GmbH
- Wing-fuselage truss joint18 Aug 2026US 12,709,377 B2Pipistrel d.o.o.
- Pick-and-place system and method18 Aug 2026US 12,709,493 B2The Boeing Company
- Hybrid Thermoset and Thermoplastic Composite Airplane Wings Employing Thermoplastic Co-Bonding1 Oct 2026US 2026/0296629 A1The Boeing Company
- Folding wing arrangement with latch assembly1 Oct 2026US 2026/0296632 A1
- Composite aircraft components and methods relating thereto24 Sep 2026US 2026/0284984 A1Airbus Operations GmbH
- Aircraft wing assembly10 Sep 2026US 2026/0264837 A1Airbus Operations GmbH
- Composite thin wingbox architecture for supersonic business jets3 Sep 2026US 2026/0257784 A1The Boeing Company
Most cited
By later US patents
- Wing and method of manufacturing121US 10,179,640 B2The Boeing Company · 2019
- Method for fastening aircraft frame elements to sandwich skin panels covering same using woven fiber connectors120US 4,671,470 ABeech Aircraft Corporation · 1987
- Structural component and method for producing a structural component120US 9,988,136 B2Airbus Operations GmbH · 2018
- Plastic-composite profiled girder, in particular a wing spar for aircraft and for wind-turbine rotors100US 5,476,704 AHoac-Austria Flugzeugwerk Wr.Neustadt Gesellschaft m.b.H. · 1995
- Method for achieving thermal uniformity in induction processing of organic matrix composites or metals98US 5,728,309 AThe Boeing Company · 1998