B61L 3/04
Controlling mechanically
Official title: controlling mechanically {(arrangements of making elements acting directly on tread B60T1/04)}
B61L3/04 (Controlling mechanically) appears on 7 US grants and 3 published applications in this corpus.
Search patents in B61L- Granted patents
- 7
- Published applications
- 3
- Assignees
- 4
- Inventors
- 10
- Latest grant
- 10 Sep 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and arrangement for identifying a rail vehicle wheel10 Sep 2024US 12,084,099 B2Schenck Process Europe GmbH
- Non-conductive train trip assembly31 Jan 2023US 11,565,732 B1Hafco Foundry and Machine Company, Incorporated
- Vehicle safety railroad crossing system31 Oct 2017US 9,802,630 B2
- Methods and systems for rail communication18 Feb 2014US 8,651,434 B2General Electric Company
- Portable automatic train trip cock tripper22 Nov 2011US 8,061,662 B1
Most cited
By later US patents