F16D 2069/004
Profiled friction surfaces
Official title: {Profiled friction surfaces, e.g. grooves, dimples}
F16D2069/004 (Profiled friction surfaces) appears on 594 US grants and 483 published applications in this corpus.
Search patents in F16D- Granted patents
- 594
- Published applications
- 483
- Assignees
- 296
- Inventors
- 1,170
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 13 | 0 |
| 1978 | 4 | 0 |
| 1979 | 5 | 0 |
| 1980 | 11 | 0 |
| 1981 | 8 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 6 | 0 |
| 1988 | 7 | 0 |
| 1989 | 7 | 0 |
| 1990 | 9 | 0 |
| 1991 | 6 | 0 |
| 1992 | 17 | 0 |
| 1993 | 7 | 0 |
| 1994 | 6 | 0 |
| 1995 | 14 | 0 |
| 1996 | 12 | 0 |
| 1997 | 12 | 0 |
| 1998 | 15 | 0 |
| 1999 | 16 | 0 |
| 2000 | 29 | 0 |
| 2001 | 27 | 9 |
| 2002 | 22 | 22 |
| 2003 | 12 | 22 |
| 2004 | 6 | 27 |
| 2005 | 15 | 30 |
| 2006 | 13 | 23 |
| 2007 | 19 | 18 |
| 2008 | 12 | 26 |
| 2009 | 4 | 22 |
| 2010 | 13 | 8 |
| 2011 | 8 | 16 |
| 2012 | 13 | 25 |
| 2013 | 14 | 29 |
| 2014 | 16 | 16 |
| 2015 | 26 | 27 |
| 2016 | 14 | 15 |
| 2017 | 15 | 28 |
| 2018 | 21 | 20 |
| 2019 | 15 | 20 |
| 2020 | 18 | 26 |
| 2021 | 22 | 11 |
| 2022 | 13 | 11 |
| 2023 | 10 | 10 |
| 2024 | 6 | 6 |
| 2025 | 6 | 11 |
| 2026 | 6 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Brake systems having back plates with thermal management features17 Mar 2026US 12,577,996 B2Transportation IP Holdings, LLC
- Disc brake pad and disc brake caliper17 Feb 2026US 12,553,485 B2Shimano Inc.
- Brake disk with protrusions27 Jan 2026US 12,535,112 B2Hl Mando Corporation
- Inclined hole for air inlet16 Jul 2026US 2026/0201930 A1Akwel
- Shaped Disc Pad16 Apr 2026US 2026/0104077 A1
- Shaped Brake Disc9 Apr 2026US 2026/0098569 A1
- Brake disc, preparation method for brake disc, and vehicle19 Mar 2026US 2026/0078811 A1BYD Company Limited
- Brake Disk and Method of Making Same5 Feb 2026US 2026/0036179 A1Tech M3, Inc.
Most cited
By later US patents
- Brake caliper for a bicycle disk brake77US 6,199,669 B12001
- Friction disc and method of making same69US 4,260,047 AGeneral Motors Corporation · 1981
- Brake rotor with a heat-resistant ceramic coating69US 5,501,306 A1996
- Friction disc with segmented core plate and facings66US 4,674,616 ABorg-Warner Corporation · 1987
- Friction pad for use with disc brake66US 4,926,978 AHonda Giken Kogyo Kabushiki Kaisha · 1990