F16C 3/00
Shafts
Official title: Shafts (flexible shafts F16C1/00; marine propeller shafts, paddle wheel shafts B63H23/34); Axles; Cranks; Eccentrics
F16C3/00 (Shafts) appears on 2,344 US grants and 2,166 published applications in this corpus.
Search patents in F16C- Granted patents
- 2,344
- Published applications
- 2,166
- Assignees
- 1,091
- Inventors
- 4,657
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 18 | 0 |
| 1978 | 13 | 0 |
| 1979 | 9 | 0 |
| 1980 | 22 | 0 |
| 1981 | 20 | 0 |
| 1982 | 24 | 0 |
| 1983 | 10 | 0 |
| 1984 | 17 | 0 |
| 1985 | 19 | 0 |
| 1986 | 19 | 0 |
| 1987 | 23 | 0 |
| 1988 | 17 | 0 |
| 1989 | 33 | 0 |
| 1990 | 16 | 0 |
| 1991 | 19 | 0 |
| 1992 | 23 | 0 |
| 1993 | 36 | 0 |
| 1994 | 28 | 0 |
| 1995 | 22 | 0 |
| 1996 | 21 | 0 |
| 1997 | 36 | 0 |
| 1998 | 38 | 0 |
| 1999 | 30 | 0 |
| 2000 | 32 | 0 |
| 2001 | 64 | 13 |
| 2002 | 45 | 36 |
| 2003 | 26 | 55 |
| 2004 | 51 | 55 |
| 2005 | 34 | 60 |
| 2006 | 38 | 55 |
| 2007 | 31 | 63 |
| 2008 | 33 | 54 |
| 2009 | 26 | 58 |
| 2010 | 28 | 68 |
| 2011 | 40 | 43 |
| 2012 | 51 | 60 |
| 2013 | 52 | 68 |
| 2014 | 71 | 92 |
| 2015 | 71 | 96 |
| 2016 | 82 | 153 |
| 2017 | 78 | 167 |
| 2018 | 136 | 159 |
| 2019 | 156 | 151 |
| 2020 | 114 | 146 |
| 2021 | 100 | 124 |
| 2022 | 113 | 104 |
| 2023 | 106 | 94 |
| 2024 | 117 | 83 |
| 2025 | 76 | 71 |
| 2026 | 49 | 38 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Crankshaft and connecting rod assemblies for hydraulic fracturing pumps29 Sep 2026US 12,747,728 B2BJ Energy Solutions, LLC
- Engine crankshaft assemblies with gear interfaces29 Sep 2026US 12,747,751 B2GM Global Technology Operations LLC
- Lubrication mechanism8 Sep 2026US 12,729,636 B2Honda Motor Co., Ltd.
- Steering shaft assembly8 Sep 2026US 12,729,713 B2Steering Solutions IP Holding Corporation
- Surface-hardened, rotationally symmetrical workpiece, hardening method and hardening apparatus1 Sep 2026US 12,723,286 B2Walzengiesserei Coswig GmbH
- Drive shaft with non-cylindrical shape8 Oct 2026US 2026/0309183 A1Hamilton Sundstrand Corporation
- Sliding components17 Sep 2026US 2026/0276035 A1Eagle Industry Co., Ltd.
- Adjustable Stroke Device With Cam10 Sep 2026US 2026/0266360 A1Lake Country Tool, LLC
- Laundry treatment apparatus3 Sep 2026US 2026/0258594 A1LG Electronics Inc.
- Power generation device3 Sep 2026US 2026/0261183 A1TET ENERGY GmbH
Most cited
By later US patents
- Wind turbine and a shaft for a wind turbine1,094US 8,664,792 B2Envision Energy (Denmark) ApS · 2014
- Telescoping torque transmitting shaft175US 4,103,514 AJean Walterscheid GmbH · 1978
- Drive shaft assembly and method for making same138US 4,248,062 AShakespeare Company · 1981
- Torque coupling system130US 5,028,211 AThe Carborundum Company · 1991
- Systems, methods, and apparatus for supported shafts119US 10,294,982 B2The Boeing Company · 2019