B61C 15/10
By depositing sand or like friction increasing materials
Official title: by depositing sand or like friction increasing materials (for vehicles in general B60B; combined control of sanding apparatus and brakes B61H)
B61C15/10 (By depositing sand or like friction increasing materials) appears on 67 US grants and 68 published applications in this corpus.
Search patents in B61C- Granted patents
- 67
- Published applications
- 68
- Assignees
- 35
- Inventors
- 131
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 3 | 4 |
| 2004 | 1 | 6 |
| 2005 | 4 | 3 |
| 2006 | 2 | 1 |
| 2007 | 2 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 3 |
| 2012 | 1 | 2 |
| 2013 | 2 | 2 |
| 2014 | 1 | 3 |
| 2015 | 0 | 4 |
| 2016 | 4 | 4 |
| 2017 | 3 | 4 |
| 2018 | 6 | 4 |
| 2019 | 6 | 4 |
| 2020 | 1 | 6 |
| 2021 | 2 | 5 |
| 2022 | 5 | 1 |
| 2023 | 1 | 7 |
| 2024 | 6 | 1 |
| 2025 | 0 | 0 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Discharge nozzle for discharging grit or lubricant18 Aug 2026US 12,709,309 B2Nowe GmbH
- Control device and control method for controlling one or more slip-protection systems and one or more systems for outputting adhesion-optimizing means in rail vehicles19 May 2026US 12,630,198 B2Knorr-Bremse Systeme FüR Schienenfahrzeuge GmbH
- Pneumatic sand conveying device for a sanding system of a rail vehicle, sanding system, and method for operating a pneumatic sand conveying device19 May 2026US 12,630,199 B2Knorr-Bremse GmbH
- Fluid control device and method7 Apr 2026US 12,594,971 B2Transportation IP Holdings, LLC
- Adhesion enhancement compositions6 Jan 2026US 12,516,230 B2L B Foster Rail Technologies, Inc
- Method for monitoring the proper working of a sanding system of a rail vehicle20 Aug 2026US 2026/0241963 A1Siemens Mobility GmbH
- Adhesion enhancement compositions6 Aug 2026US 2026/0226334 A1L B Foster Rail Technologies, Inc
- Fill level monitoring30 Apr 2026US 2026/0116437 A1Siemens Mobility GmbH
- Sanding system for a rail vehicle8 Feb 2024US 2024/0043046 A1Siemens Mobility GmbH
- Discharge Nozzle for Discharging Grit or Lubricant5 Oct 2023US 2023/0311137 A1Nowe GmbH
Most cited
By later US patents
- On-board lubrication system for direct application to curved and tangent railroad track39US 5,477,941 ATranergy Corporation · 1995
- Control apparatus for maintaining traction in electric rolling stock28US 4,799,161 AHitachi, Ltd. · 1989
- Method and system for increasing the track-to-wheel friction of the wheels of a locomotive for motive power and decreasing the rolling resistance for trailing loads25US 4,230,045 AMorrison-Knudsen Company, Inc. · 1980
- Anisotropic magnetic powder and magnet thereof and method of producing same24US 4,983,232 AHitachi Metals, Ltd. · 1991
- Sanding control system for railway vehicles18US 5,428,538 AWestinghouse Air Brake Company · 1995