F16D 13/583
Diaphragm-springs
Official title: {Diaphragm-springs, e.g. Belleville (co-operation with a disengaging thrust ring or bearing F16D23/14)}
F16D13/583 (Diaphragm-springs) appears on 340 US grants and 130 published applications in this corpus.
Search patents in F16D- Granted patents
- 340
- Published applications
- 130
- Assignees
- 94
- Inventors
- 454
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 7 | 0 |
| 1979 | 1 | 0 |
| 1980 | 7 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 5 | 0 |
| 1984 | 5 | 0 |
| 1985 | 10 | 0 |
| 1986 | 15 | 0 |
| 1987 | 17 | 0 |
| 1988 | 8 | 0 |
| 1989 | 3 | 0 |
| 1990 | 6 | 0 |
| 1991 | 9 | 0 |
| 1992 | 8 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 7 | 0 |
| 1996 | 13 | 0 |
| 1997 | 12 | 0 |
| 1998 | 21 | 0 |
| 1999 | 30 | 0 |
| 2000 | 18 | 0 |
| 2001 | 12 | 1 |
| 2002 | 6 | 3 |
| 2003 | 2 | 1 |
| 2004 | 3 | 13 |
| 2005 | 3 | 7 |
| 2006 | 4 | 3 |
| 2007 | 3 | 3 |
| 2008 | 0 | 5 |
| 2009 | 1 | 3 |
| 2010 | 1 | 7 |
| 2011 | 2 | 5 |
| 2012 | 5 | 6 |
| 2013 | 3 | 4 |
| 2014 | 3 | 4 |
| 2015 | 10 | 6 |
| 2016 | 1 | 8 |
| 2017 | 8 | 9 |
| 2018 | 5 | 7 |
| 2019 | 7 | 5 |
| 2020 | 11 | 10 |
| 2021 | 4 | 11 |
| 2022 | 11 | 4 |
| 2023 | 7 | 2 |
| 2024 | 2 | 1 |
| 2025 | 0 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Clutch mechanism, in particular for a motorized vehicle19 May 2026US 12,631,222 B2Valeo Embrayages
- Friction clutch system17 Feb 2026US 12,553,477 B2Volvo Car Corporation
- High efficiency, high output transmission having ease of integration features4 Jun 2024US 12,000,465 B2Eaton Cummins Automated Transmission Technologies, LLC
- Multiple-disc friction clutch14 May 2024US 11,982,321 B2Honda Motor Co., Ltd.
- Friction clutch for motor vehicles14 Nov 2023US 11,815,135 B2Raicam Driveline S.R.L.
- Clutch System19 Feb 2026US 2026/0049640 A1
- Clutch mechanism, in particular for a motorized vehicle8 May 2025US 2025/0146541 A1Valeo Embrayages
- Friction clutch system3 Oct 2024US 2024/0328466 A1Volvo Car Corporation
- Multiple-disc friction clutch5 Oct 2023US 2023/0313844 A1Honda Motor Co., Ltd.
- High efficiency, high ouput transmission having ease of integration features9 Mar 2023US 2023/0075508 A1Eaton Cummins Automated Transmission Technologies, LLC
Most cited
By later US patents
- Automatically adjustable friction clutch59US 5,409,091 ALuk Lamellen und Kupplungsbau GmbH · 1995
- Friction clutch59US 5,450,934 ALuk Lamellen und Kupplungsbau GmbH · 1995
- Dry multi-disk clutch31US 5,638,932 AExedy Corporation · 1997
- Method, device and use thereof for operating a motor vehicle30US 7,160,225 B2LuK Lamellen und Kupplungsbau Beteiligungs KG · 2007
- Clutch cover assembly with annular coned disc spring29US 4,949,829 AKabushiki Kaisha Daikin Seisakusho · 1990