F16D 3/78
Shaped as an elastic disc or flat ring, arranged perpendicular to the
Official title: shaped as an elastic disc or flat ring, arranged perpendicular to the axis of the coupling parts, different sets of spots of the disc or ring being attached to each coupling part, e.g. Hardy couplings
F16D3/78 (Shaped as an elastic disc or flat ring, arranged perpendicular to the) appears on 294 US grants and 208 published applications in this corpus.
Search patents in F16D- Granted patents
- 294
- Published applications
- 208
- Assignees
- 204
- Inventors
- 539
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 6 | 0 |
| 1979 | 2 | 0 |
| 1980 | 7 | 0 |
| 1981 | 2 | 0 |
| 1982 | 7 | 0 |
| 1983 | 6 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 9 | 0 |
| 1989 | 7 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 11 | 0 |
| 2000 | 6 | 0 |
| 2001 | 10 | 4 |
| 2002 | 5 | 3 |
| 2003 | 7 | 14 |
| 2004 | 4 | 5 |
| 2005 | 5 | 8 |
| 2006 | 4 | 6 |
| 2007 | 3 | 10 |
| 2008 | 5 | 6 |
| 2009 | 5 | 8 |
| 2010 | 5 | 4 |
| 2011 | 10 | 11 |
| 2012 | 6 | 3 |
| 2013 | 7 | 9 |
| 2014 | 6 | 8 |
| 2015 | 2 | 7 |
| 2016 | 7 | 18 |
| 2017 | 8 | 15 |
| 2018 | 11 | 11 |
| 2019 | 8 | 12 |
| 2020 | 10 | 8 |
| 2021 | 11 | 11 |
| 2022 | 11 | 12 |
| 2023 | 7 | 5 |
| 2024 | 7 | 3 |
| 2025 | 6 | 7 |
| 2026 | 4 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pressing apparatus30 Jun 2026US 12,669,150 B2Daifuku Co., Ltd.
- Torque limiting flex plate assembly30 Jun 2026US 12,669,152 B2Fca US LLC
- Disc coupling16 Jun 2026US 12,655,876 B2PSC Couplings, LLC
- Disconnect flexible sensor target12 May 2026US 12,624,733 B2Valeo Embrayages
- Coupling for wind turbine gearbox, drive train, wind turbine and industrial application30 Dec 2025US 12,510,123 B2Flender GmbH
- Coupling and drive train for a wind turbine18 Sep 2025US 2025/0290489 A1KTR Systems GmbH
- Three-arm and four-arm driveshaft flange and production method12 Jun 2025US 2025/0188994 A1Tirsan Kardan Sanayi Ve Ticaret Anonim Sirketi
- Dual Coupling System for Driving Rail Vehicles5 Jun 2025US 2025/0180075 A1
- Coupling5 Jun 2025US 2025/0180076 A1Punk Couplings Limited
- Coupler for drive lines8 May 2025US 2025/0146535 A1XCAD Valve and Irrigation, Inc.
Most cited
By later US patents
- Elastic joint component169US 3,985,000 A1976
- Method of coinjection molding of thermoplastic and thermoplastic elastomer68US 4,385,025 ABarry Wright Corporation · 1983
- Gear arrangement, in particular for use in connection with motor vehicle window lifter drives68US 4,899,608 ASiemens Aktiengesellschaft · 1990
- Torque control device for rotary mine drilling machine68US 5,588,916 ADuramax, Inc. · 1996
- Torque control device for rotary mine drilling machine61US 5,772,514 ADuramax, Inc. · 1998