F16D 65/12
Discs
Official title: Discs; Drums for disc brakes
F16D65/12 (Discs) appears on 1,935 US grants and 1,777 published applications in this corpus.
Search patents in F16D- Granted patents
- 1,935
- Published applications
- 1,777
- Assignees
- 730
- Inventors
- 3,547
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 30 | 0 |
| 1977 | 31 | 0 |
| 1978 | 25 | 0 |
| 1979 | 12 | 0 |
| 1980 | 14 | 0 |
| 1981 | 26 | 0 |
| 1982 | 9 | 0 |
| 1983 | 6 | 0 |
| 1984 | 18 | 0 |
| 1985 | 13 | 0 |
| 1986 | 15 | 0 |
| 1987 | 17 | 0 |
| 1988 | 21 | 0 |
| 1989 | 29 | 0 |
| 1990 | 18 | 0 |
| 1991 | 21 | 0 |
| 1992 | 25 | 0 |
| 1993 | 23 | 0 |
| 1994 | 32 | 0 |
| 1995 | 31 | 0 |
| 1996 | 29 | 0 |
| 1997 | 25 | 0 |
| 1998 | 25 | 0 |
| 1999 | 41 | 0 |
| 2000 | 57 | 0 |
| 2001 | 65 | 27 |
| 2002 | 50 | 39 |
| 2003 | 44 | 52 |
| 2004 | 35 | 72 |
| 2005 | 33 | 53 |
| 2006 | 34 | 57 |
| 2007 | 29 | 45 |
| 2008 | 19 | 59 |
| 2009 | 16 | 51 |
| 2010 | 35 | 49 |
| 2011 | 28 | 53 |
| 2012 | 29 | 54 |
| 2013 | 42 | 77 |
| 2014 | 45 | 68 |
| 2015 | 57 | 86 |
| 2016 | 64 | 74 |
| 2017 | 81 | 89 |
| 2018 | 74 | 108 |
| 2019 | 85 | 107 |
| 2020 | 79 | 112 |
| 2021 | 60 | 85 |
| 2022 | 71 | 88 |
| 2023 | 82 | 92 |
| 2024 | 67 | 80 |
| 2025 | 70 | 63 |
| 2026 | 48 | 37 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F16D 65/123Comprising an annular disc secured to a hub member528
- F16D 65/125Characterised by the material used for the disc body517
- F16D 65/128Characterised by means for cooling430
- F16D 65/127Characterised by properties of the disc surface357
- F16D 65/122Adapted for mounting of friction pads78
- F16D 65/121Consisting of at least three circumferentially arranged segments56
Recent patents
- Disc brake device for railway vehicle6 Oct 2026US 12,753,814 B2Nippon Steel Corporation
- Brake disk with an interlayer having a shape elasticity6 Oct 2026US 12,753,815 B2Hl Mando Corporation
- Composite brake disc, preparation method thereof and friction stir tool15 Sep 2026US 12,736,098 B2Crrc Qishuyan Institute Co., Ltd.
- Disc brake device for railway vehicle15 Sep 2026US 12,736,099 B2Nippon Steel Corporation
- Light metal structure-function dual-gradient composite brake disc (brake drum)8 Sep 2026US 12,729,729 B2
- Brake piston housings13 Aug 2026US 2026/0235171 A1Honeywell International Inc.
- Brake hub assembly13 Aug 2026US 2026/0235175 A1Gunite Corporation
- Rotor hub and methods thereof13 Aug 2026US 2026/0235176 A1
- Drum-in-hat brake assembly6 Aug 2026US 2026/0226951 A1Ccys Hi-Tech International Ltd.
- Method for producing a braking element, and braking element23 Jul 2026US 2026/0210418 A1
Most cited
By later US patents
- Patterned surface friction materials, clutch plate members and methods of making and using same176US 6,524,681 B13M Innovative Properties Company · 2003
- Systems and methods for forming a layer onto a surface of a solid substrate and products formed thereby119US 10,151,363 B2Ats Mer, LLC · 2018
- Systems and methods for forming a layer onto a surface of a solid substrate and products formed thereby119US 9,933,031 B2Ats Mer, LLC · 2018
- Systems and methods for forming a layer onto a surface of a solid substrate and products formed thereby118US 10,100,890 B2Ats Mer, LLC · 2018
- Systems and methods for forming a layer onto a surface of a solid substrate and products formed thereby118US 10,107,344 B2Ats Mer, LLC · 2018