F16D 1/116
The interengaging parts including a continuous or interrupted circumferential groove in the
Official title: the interengaging parts including a continuous or interrupted circumferential groove in the surface of one of the coupling parts (circlips for retaining hubs on shafts F16B21/18)
F16D1/116 (The interengaging parts including a continuous or interrupted circumferential groove in the) appears on 349 US grants and 311 published applications in this corpus.
Search patents in F16D- Granted patents
- 349
- Published applications
- 311
- Assignees
- 218
- Inventors
- 721
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 0 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 8 | 0 |
| 1987 | 8 | 0 |
| 1988 | 4 | 0 |
| 1989 | 7 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 7 | 0 |
| 1997 | 14 | 0 |
| 1998 | 5 | 0 |
| 1999 | 1 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 2 |
| 2002 | 3 | 2 |
| 2003 | 0 | 4 |
| 2004 | 2 | 4 |
| 2005 | 3 | 8 |
| 2006 | 3 | 9 |
| 2007 | 4 | 6 |
| 2008 | 3 | 8 |
| 2009 | 7 | 9 |
| 2010 | 1 | 13 |
| 2011 | 11 | 6 |
| 2012 | 11 | 13 |
| 2013 | 6 | 9 |
| 2014 | 10 | 19 |
| 2015 | 6 | 19 |
| 2016 | 14 | 13 |
| 2017 | 19 | 24 |
| 2018 | 10 | 19 |
| 2019 | 21 | 27 |
| 2020 | 17 | 28 |
| 2021 | 19 | 14 |
| 2022 | 25 | 15 |
| 2023 | 22 | 13 |
| 2024 | 11 | 12 |
| 2025 | 9 | 8 |
| 2026 | 6 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Automatic coupling device59US 4,859,110 ANeapco, Inc. · 1989
- Splined assembly with retaining rings56US 4,124,318 AGeneral Motors Corporation · 1978
- Portable power unit for various power tolls54US 4,989,323 ACaspro Mechanical Technologies, Inc. · 1991
- End effector of a surgical robotic manipulator54US 9,566,121 B2Stryker Corporation · 2017
- High speed fastening system49US 5,674,024 A1997