Systems and methods for providing an industrial cart for a grow pod
US-2018359940-A1 · Dec 20, 2018 · US
for indicating the distance between vehicles or trains by the transmission of signals therebetween
for indicating the distance between vehicles or trains by the transmission of signals therebetween · 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 | B61L23/34 |
| Official title | for indicating the distance between vehicles or trains by the transmission of signals therebetween |
| Display label | for indicating the distance between vehicles or trains by the transmission of signals therebetween |
| Total patents | 211 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 26 |
| 2017 | 11 |
| 2018 | 21 |
| 2019 | 13 |
| 2020 | 25 |
| 2021 | 26 |
| 2022 | 21 |
| 2023 | 22 |
| 2024 | 21 |
| 2025 | 16 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Systems and methods for communicating with an industrial cart
US-2018364663-A1 · Dec 20, 2018 · US
Article Transport Vehicle
US-2018327009-A1 · Nov 15, 2018 · US
Ground control device and wireless train control system
US-2018304909-A1 · Oct 25, 2018 · US
Transportation system
US-10093493-B2 · Oct 9, 2018 · US
Radio blocking in a train control system
US-2018273061-A1 · Sep 27, 2018 · US
System and method for determining the positions of side collision avoidance sensors on a vehicle
US-10067897-B1 · Sep 4, 2018 · US
Collision protection and safety system for rail vehicles
US-2018244292-A1 · Aug 30, 2018 · US
V-aware end of train device
US-2018222503-A1 · Aug 9, 2018 · US
Method and system for sharing of information pertinent at a railway crossing
US-2018208223-A1 · Jul 26, 2018 · US
V-aware end of train device
US-9994242-B2 · Jun 12, 2018 · US
System and method for aggregation display and analysis of rail vehicle event information
US-9981674-B1 · May 29, 2018 · US
Route examining system
US-2018065650-A1 · Mar 8, 2018 · US
Work block encroachment warning system
US-2018043913-A1 · Feb 15, 2018 · US
Failsafe rail mounted shunt device
US-9878729-B2 · Jan 30, 2018 · US
Travelling vehicle system
US-9879384-B2 · Jan 30, 2018 · US
Vehicle control system
US-2018022369-A1 · Jan 25, 2018 · US
Pulling device for a vehicle, in particular for a railway vehicle, having an improved security
US-2017363199-A1 · Dec 21, 2017 · US
Communication system for guideway mounted vehicle and method of using the same
US-9828011-B2 · Nov 28, 2017 · US
Collision avoidance method and apparatus using depth sensor
US-2017308760-A1 · Oct 26, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B61L23/34?
- CPC B61L23/34 is the Cooperative Patent Classification code for “for indicating the distance between vehicles or trains by the transmission of signals therebetween.”
- How many patents are filed under CPC B61L23/34 (for indicating the distance between vehicles or trains by the transmission of signals therebetween)?
- Our database includes 211 publications tagged with this CPC code.
- Is patent activity under CPC B61L23/34 growing?
- Publication counts under this code: 21 in 2024 vs 16 in 2025 (latest complete years).