B61L 1/167
Circuit details
Official title: {Circuit details}
B61L1/167 (Circuit details) appears on 13 US grants and 9 published applications in this corpus.
Search patents in B61L- Granted patents
- 13
- Published applications
- 9
- Assignees
- 16
- Inventors
- 23
- Latest grant
- 29 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 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 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 2 |
| 2020 | 2 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Frequency generator for generating a working frequency for a rail contact of an axle counter29 Oct 2024US 12,132,416 B2GTS Deutschland GmbH
- Method for calibrating a wheel sensor, corresponding wheel sensor, and railway installation with a wheel sensor of this kind30 Aug 2022US 11,427,233 B2Siemens Mobility GmbH
- Method for determining the speed of a rail-bound vehicle8 Dec 2020US 10,858,021 B2Thales Management & Services Deutschland GmbH
- Transmitter device, sensor device and method for sensing a magnetic field change3 Mar 2020US 10,577,001 B2Siemens Mobility GmbH
- Method for managing a railway electrical circuit24 Dec 2019US 10,513,277 B2Alstom Transport Technologies
- Rail vehicle wheel sensor provided with secure communication and configuration19 Dec 2024US 2024/0416973 A1Voestalpine Signaling Poland Sp. Z O. O.
- Axle counting method and axle counting system12 Dec 2024US 2024/0411044 A1GTS Deutschland GmbH
- Frequency generator for generating a working frequency for a rail contact of an axle counter22 Jun 2023US 2023/0198423 A1Thales Management & Services Deutschland GmbH
- Method For Calibrating A Wheel Sensor, Corresponding Wheel Sensor, And Railway Installation With A Wheel Sensor Of This Kind31 Oct 2019US 2019/0329801 A1Siemens Mobility GmbH
- Transmitter device, sensor device and method for sensing a magnetic field change2 May 2019US 2019/0126954 A1Siemens Aktiengesellschaft
Most cited
By later US patents
- Railway wheel sensors15US 5,129,606 AJDR Systems Corporation · 1992
- 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
- Railway vehicle wheel detector utilizing magnetic differential bridge10US 5,333,820 AUnion Switch & Signal Inc. · 1994
- Zero speed transducer8US 6,064,315 AHarmon Industries, Inc. · 2000