System and method for railroad directive management
US-11453423-B1 · Sep 27, 2022 · US
Road bed changes, e.g. road bed erosion
Road bed changes, e.g. road bed erosion · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B61L23/048 |
| Official title | {Road bed changes, e.g. road bed erosion} |
| Display label | Road bed changes, e.g. road bed erosion |
| Total patents | 85 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 4 |
| 2017 | 7 |
| 2018 | 11 |
| 2019 | 11 |
| 2020 | 13 |
| 2021 | 5 |
| 2022 | 6 |
| 2023 | 7 |
| 2024 | 10 |
| 2025 | 7 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System and method for railroad tie management
US-2022242466-A1 · Aug 4, 2022 · US
System and method for railroad tie management
US-11338832-B1 · May 24, 2022 · US
Route inspection system
US-2022144325-A1 · May 12, 2022 · US
Debris deflection and removal method for an apparatus and method for gathering data from sensors oriented at an oblique angle relative to a railway track
US-11305799-B2 · Apr 19, 2022 · US
Route examination system and method
US-11226634-B2 · Jan 18, 2022 · US
Systems and methods for identifying potential deficiencies in railway environment objects
US-2021291881-A1 · Sep 23, 2021 · US
Optical route examination system and method
US-11124207-B2 · Sep 21, 2021 · US
Optical route examination system and method
US-11022982-B2 · Jun 1, 2021 · US
Rail buckle detection and risk prediction
US-2021078622-A1 · Mar 18, 2021 · US
Digital context-aware data collection
US-2021031818-A1 · Feb 4, 2021 · US
Debris deflection and removal method for an apparatus and method for gathering data from sensors oriented at an oblique angle relative to a railway track
US-2020398876-A1 · Dec 24, 2020 · US
Apparatus and method for gathering data from sensors oriented at an oblique angle relative to a railway track
US-10870441-B2 · Dec 22, 2020 · US
Railway monitoring system and method
US-10829135-B2 · Nov 10, 2020 · US
Apparatus and method for gathering data from sensors oriented at an oblique angle relative to a railway track
US-10807623-B2 · Oct 20, 2020 · US
Route examination system and method
US-2020326720-A1 · Oct 15, 2020 · US
Apparatus and method for gathering data from sensors oriented at an oblique angle relative to a railway track
US-2020317240-A1 · Oct 8, 2020 · US
Monitoring cables and methods for monitoring rail tracks
US-2020278195-A1 · Sep 3, 2020 · US
Distributed Fibre Optic Sensing
US-2020172130-A1 · Jun 4, 2020 · US
Apparatus and method for gathering data from sensors oriented at an oblique angle relative to a railway track
US-2020156677-A1 · May 21, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B61L23/048?
- CPC B61L23/048 is the Cooperative Patent Classification code for “Road bed changes, e.g. road bed erosion.”
- How many patents are filed under CPC B61L23/048 (Road bed changes, e.g. road bed erosion)?
- Our database includes 85 publications tagged with this CPC code.
- Is patent activity under CPC B61L23/048 growing?
- Publication counts under this code: 10 in 2024 vs 7 in 2025 (latest complete years).