B64C 27/35
Having elastomeric joints
Official title: having elastomeric joints
B64C27/35 (Having elastomeric joints) appears on 260 US grants and 190 published applications in this corpus.
Search patents in B64C- Granted patents
- 260
- Published applications
- 190
- Assignees
- 42
- Inventors
- 295
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 7 | 0 |
| 1981 | 10 | 0 |
| 1982 | 7 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 8 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 6 |
| 2004 | 7 | 6 |
| 2005 | 5 | 3 |
| 2006 | 2 | 2 |
| 2007 | 1 | 3 |
| 2008 | 1 | 4 |
| 2009 | 0 | 3 |
| 2010 | 4 | 9 |
| 2011 | 3 | 5 |
| 2012 | 5 | 6 |
| 2013 | 5 | 12 |
| 2014 | 12 | 16 |
| 2015 | 13 | 22 |
| 2016 | 15 | 7 |
| 2017 | 10 | 7 |
| 2018 | 10 | 19 |
| 2019 | 28 | 25 |
| 2020 | 18 | 8 |
| 2021 | 11 | 5 |
| 2022 | 7 | 7 |
| 2023 | 9 | 6 |
| 2024 | 3 | 3 |
| 2025 | 1 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hybrid pitch bearing for rigid rotor7 Apr 2026US 12,595,047 B2Lockheed Martin Corporation
- Inner member for main rotor centrifugal force bearing11 Feb 2025US 12,221,207 B2Textron Innovations Inc.
- Anisotropic magneto-resistive sensor flap measuring systems19 Nov 2024US 12,145,721 B2Textron Innovations Inc.
- Rotor blade non-counterbored retention assembly via a sliding clamped bushing4 Jun 2024US 11,999,472 B2Lockheed Martin Corporation
- Elastomeric bearing having carbon-fiber reinforced laminae27 Feb 2024US 11,913,496 B2Aktiebolaget Skf
- Hybrid pitch bearing for rigid rotor16 Jul 2026US 2026/0200573 A1Lockheed Martin Corporation
- Compact propeller blade retention assembly23 Apr 2026US 2026/0109458 A1Lockheed Martin Corporation
- Hybrid pitch bearing for rigid rotor10 Jul 2025US 2025/0223029 A1Lockheed Martin Corporation
- Inner member for main rotor centrifugal force bearing9 Jan 2025US 2025/0010982 A1Textron Innovations Inc.
- Rotor hub systems and methods14 Nov 2024US 2024/0375764 A1Supernal, LLC
Most cited
By later US patents
- Snubber75US 6,848,886 B2Sikorsky Aircraft Corporation · 2005
- Elastomeric bearing with modified cylindrical core62US 7,097,169 B2SKF USA Inc. · 2006
- Soft inplane helicopter rotor55US 4,257,739 ATextron Inc. · 1981
- Helicopter rotors46US 4,297,078 AWestland Aircraft Limited · 1981
- Rotor for rotating wing type aircraft45US 3,967,918 ASociete Nationale Industrielle Aerospatiale · 1976