F16D 66/021
Using electrical detection or indication means
Official title: {using electrical detection or indication means}
F16D66/021 (Using electrical detection or indication means) appears on 562 US grants and 501 published applications in this corpus.
Search patents in F16D- Granted patents
- 562
- Published applications
- 501
- Assignees
- 265
- Inventors
- 1,171
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 8 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 11 | 0 |
| 1981 | 6 | 0 |
| 1982 | 8 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 7 | 0 |
| 1988 | 4 | 0 |
| 1989 | 8 | 0 |
| 1990 | 6 | 0 |
| 1991 | 2 | 0 |
| 1992 | 6 | 0 |
| 1993 | 10 | 0 |
| 1994 | 11 | 0 |
| 1995 | 7 | 0 |
| 1996 | 6 | 0 |
| 1997 | 9 | 0 |
| 1998 | 10 | 0 |
| 1999 | 15 | 0 |
| 2000 | 14 | 0 |
| 2001 | 19 | 5 |
| 2002 | 21 | 10 |
| 2003 | 7 | 6 |
| 2004 | 4 | 4 |
| 2005 | 1 | 10 |
| 2006 | 6 | 7 |
| 2007 | 4 | 8 |
| 2008 | 4 | 5 |
| 2009 | 2 | 10 |
| 2010 | 4 | 16 |
| 2011 | 8 | 6 |
| 2012 | 3 | 6 |
| 2013 | 5 | 10 |
| 2014 | 11 | 12 |
| 2015 | 8 | 14 |
| 2016 | 14 | 20 |
| 2017 | 9 | 28 |
| 2018 | 25 | 28 |
| 2019 | 24 | 64 |
| 2020 | 41 | 38 |
| 2021 | 33 | 37 |
| 2022 | 24 | 40 |
| 2023 | 32 | 34 |
| 2024 | 34 | 34 |
| 2025 | 25 | 26 |
| 2026 | 20 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Rail monitoring system, method and devices29 Sep 2026US 12,746,907 B2Pennsy Digital Inc.
- Braking pad for vehicles, and assembling method for making such a braking pad29 Sep 2026US 12,747,767 B2Stellantis Europe S.p.A.
- Brake-wear monitoring system22 Sep 2026US 12,742,483 B2Dana Italia S.R.L.
- Brake lining system and sensor unit25 Aug 2026US 12,716,460 B2BECORIT GmbH
- Aircraft braking indicators21 Jul 2026US 12,686,376 B2Hydro-Aire Aerospace Corporation
- Braking device27 Aug 2026US 2026/0249824 A1Advics Co., Ltd.
- Control system for a brake27 Aug 2026US 2026/0251194 A1Meritor Heavy Vehicle Braking Systems (UK) Limited
- Electric cylinder device20 Aug 2026US 2026/0243240 A1Advics Co., Ltd.
- A method for material loss detection, in particular for wear detection, an arrangement for performing this method6 Aug 2026US 2026/0226953 A1Rvmagnetics, A.S.
- Brake pad assembly23 Jul 2026US 2026/0210417 A1ArvinMeritor Technology, LLC
Most cited
By later US patents
- Monitoring method and apparatus for a brake system of heavy-duty vehicles141US 4,964,679 ALucas Industries public limited company · 1990
- Brake monitoring system125US 6,352,137 B1Indian Head Industries, Inc. · 2002
- System and method for aircraft braking system usage monitoring112US 6,659,233 B2Hydro-Aire, Inc. · 2003
- Brake failure monitoring system105US 5,791,441 A1998
- Electronic brake monitoring system and method103US 4,937,554 APACCAR Inc · 1990