B61L 1/08
Magnetically actuated
Official title: magnetically actuated; electrostatically actuated
B61L1/08 (Magnetically actuated) appears on 23 US grants and 18 published applications in this corpus.
Search patents in B61L- Granted patents
- 23
- Published applications
- 18
- Assignees
- 28
- Inventors
- 68
- Latest grant
- 3 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 3 |
| 2020 | 3 | 2 |
| 2021 | 1 | 3 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 3 | 3 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for measuring wear of a rail and evaluation system3 Dec 2024US 12,157,508 B2Frauscher Sensortechnik GmbH
- Sensor arrangement12 Nov 2024US 12,139,182 B2Frauscher Sensortechnik GmbH
- Detection system25 Jun 2024US 12,018,964 B2Kyosan Electric Mfg. Co., Ltd.
- System and method for controlling a level crossing of a railway track27 Apr 2021US 10,988,151 B2Alstom Transport Technologies
- Wheel detector for detecting a wheel of a rail vehicle29 Dec 2020US 10,875,554 B2Bombardier Transportation (ZWUS) Polska Sp. z o. o.
- Rail vehicle wheel sensor provided with secure communication and configuration19 Dec 2024US 2024/0416973 A1Voestalpine Signaling Poland Sp. Z O. O.
- Sensor arrangement for a railway system12 Dec 2024US 2024/0409135 A1Frauscher Sensortechnik GmbH
- Axle counting method and axle counting system12 Dec 2024US 2024/0411044 A1GTS Deutschland GmbH
- Railroad track sensor system24 Aug 2023US 2023/0264724 A1Advanced Rail Systems, LLC
- Method for measuring wear of a rail and evaluation system18 Aug 2022US 2022/0258780 A1Frauscher Sensortechnik GmnH
Most cited
By later US patents
- Method and apparatus for analyzing performance of electric-traction-motor powered vehicles and electrical operating components thereof28US 4,179,744 AMagtronics Incorporated · 1979
- Vehicle presence detection system24US 5,868,360 APrimetech Electronics, Inc. · 1999
- Speed insensitive wheel detector17US 4,236,093 AGeneral Signal Corporation · 1980
- Detection system13US 4,727,372 AElectromatic (Proprietary) Limited · 1988
- Low speed wheel presence transducer for railroads with self calibration13US 5,395,078 AServo Corporation of America · 1995