F16D 3/76
Shaped as an elastic ring centered on the axis, surrounding a portion
Official title: shaped as an elastic ring centered on the axis, surrounding a portion of one coupling part and surrounded by a sleeve of the other coupling part
F16D3/76 (Shaped as an elastic ring centered on the axis, surrounding a portion) appears on 269 US grants and 174 published applications in this corpus.
Search patents in F16D- Granted patents
- 269
- Published applications
- 174
- Assignees
- 183
- Inventors
- 553
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 9 | 0 |
| 1979 | 3 | 0 |
| 1980 | 7 | 0 |
| 1981 | 6 | 0 |
| 1982 | 1 | 0 |
| 1983 | 7 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 9 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 5 | 0 |
| 1996 | 7 | 0 |
| 1997 | 4 | 0 |
| 1998 | 8 | 0 |
| 1999 | 14 | 0 |
| 2000 | 7 | 0 |
| 2001 | 14 | 4 |
| 2002 | 3 | 8 |
| 2003 | 8 | 7 |
| 2004 | 4 | 5 |
| 2005 | 3 | 7 |
| 2006 | 5 | 8 |
| 2007 | 6 | 8 |
| 2008 | 1 | 11 |
| 2009 | 3 | 6 |
| 2010 | 4 | 8 |
| 2011 | 5 | 5 |
| 2012 | 7 | 5 |
| 2013 | 4 | 3 |
| 2014 | 3 | 3 |
| 2015 | 1 | 9 |
| 2016 | 3 | 12 |
| 2017 | 7 | 15 |
| 2018 | 12 | 11 |
| 2019 | 13 | 6 |
| 2020 | 5 | 8 |
| 2021 | 7 | 2 |
| 2022 | 6 | 8 |
| 2023 | 2 | 5 |
| 2024 | 6 | 5 |
| 2025 | 9 | 5 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Stress reducing fastener assembly23 Dec 2025US 12,504,043 B2Lockheed Martin Corporation
- Coupling device, valve system and method for assembling a coupling device14 Oct 2025US 12,442,460 B2Akrapovic d.d.
- Coupling device and torsional natural frequency adjustment method7 Oct 2025US 12,435,762 B2Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Coupling and associated method of transferring torque27 May 2025US 12,313,009 B2Pratt & Whitney Canada Corp.
- Coupling module for a drive train test stand, output module, and drive train test stand20 May 2025US 12,306,063 B2ZF Friedrichshafen AG
- Coated driver and method of forming21 Aug 2025US 2025/0264136 A1Morrison Timing Screw Co., dba Morrison Container Handling Solutions, Inc.
- Stress reducing fastener assembly8 May 2025US 2025/0146532 A1Lockheed Martin Corporation
- Electric machine having a corrugated coupling element24 Apr 2025US 2025/0132635 A1Rolls-Royce Deutschland Ltd & Co KG
- Coupling and associated method of transferring torque27 Feb 2025US 2025/0067221 A1Pratt & Whitney Canada Corp.
- Coupling for rail vehicles30 Jan 2025US 2025/0035166 A1Flender GmbH
Most cited
By later US patents
- Positive-engaging coupling for a portable handheld tool135US 5,152,631 A1992
- Drive coupling with plural intimate planar contact76US 5,848,334 AXerox Corporation · 1998
- Shaft coupling70US 4,357,137 AArinc Research Corporation · 1982
- Method of coinjection molding of thermoplastic and thermoplastic elastomer68US 4,385,025 ABarry Wright Corporation · 1983
- Electric motor with thin rotor-damping layer57US 4,623,812 AU. S. Philips Corporation · 1986