Elevator sensor system floor mapping
US-2019382237-A1 · Dec 19, 2019 · US
Position or depth indicators
Position or depth indicators · 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 | B66B3/02 |
| Official title | Position or depth indicators |
| Display label | Position or depth indicators |
| Total patents | 176 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 10 |
| 2017 | 13 |
| 2018 | 20 |
| 2019 | 21 |
| 2020 | 28 |
| 2021 | 16 |
| 2022 | 21 |
| 2023 | 14 |
| 2024 | 13 |
| 2025 | 13 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Wireless signal device, system and method for elevator service request
US-2019330012-A1 · Oct 31, 2019 · US
Landing identification system to determine a building landing reference for an elevator
US-2019270611-A1 · Sep 5, 2019 · US
Elevator car position detection device
US-10399817-B2 · Sep 3, 2019 · US
Monitoring apparatus
US-2019177119-A1 · Jun 13, 2019 · US
Method for analysis and measurement system for measuring an elevator shaft of an elevator system
US-2019177120-A1 · Jun 13, 2019 · US
Elevator boarding area notification system
US-2019127178-A1 · May 2, 2019 · US
Jerk limiting in elevator rescue system
US-10273116-B2 · Apr 30, 2019 · US
Energy-autonomous elevator system control element and elevator system including the control element
US-10266369-B2 · Apr 23, 2019 · US
Elevator control apparatus
US-10266371-B2 · Apr 23, 2019 · US
Elevator device
US-2019084795-A1 · Mar 21, 2019 · US
Elevator position detection systems
US-2019062106-A1 · Feb 28, 2019 · US
Elevator notice system
US-10155639-B2 · Dec 18, 2018 · US
Elevator control device
US-2018354745-A1 · Dec 13, 2018 · US
Elevator system
US-2018327217-A1 · Nov 15, 2018 · US
Elevator control device for maximizing a number of floors serviced
US-10124986-B2 · Nov 13, 2018 · US
Elevator service request using user device with app-retained floor pairs
US-2018282115-A1 · Oct 4, 2018 · US
Elevator service request using user device with transfer floor
US-2018282113-A1 · Oct 4, 2018 · US
Sensor fusion for passenger conveyance control
US-10074017-B2 · Sep 11, 2018 · US
Elevator position detection apparatus
US-10065833-B2 · Sep 4, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B66B3/02?
- CPC B66B3/02 is the Cooperative Patent Classification code for “Position or depth indicators.”
- How many patents are filed under CPC B66B3/02 (Position or depth indicators)?
- Our database includes 176 publications tagged with this CPC code.
- Is patent activity under CPC B66B3/02 growing?
- Publication counts under this code: 13 in 2024 vs 13 in 2025 (latest complete years).