Fire service sequence for multicar elevator systems
US-2017355562-A1 · Dec 14, 2017 · US
effective on driving gear {, e.g. acting on power electronics, on inverter or rectifier controlled motor}
effective on driving gear {, e.g. acting on power electronics, on inverter or rectifier controlled motor} · 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 | B66B1/30 |
| Official title | effective on driving gear {, e.g. acting on power electronics, on inverter or rectifier controlled motor} |
| Display label | effective on driving gear {, e.g. acting on power electronics, on inverter or rectifier controlled motor} |
| Total patents | 288 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 15 |
| 2016 | 13 |
| 2017 | 32 |
| 2018 | 38 |
| 2019 | 31 |
| 2020 | 37 |
| 2021 | 29 |
| 2022 | 32 |
| 2023 | 22 |
| 2024 | 18 |
| 2025 | 16 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Multi-drive thrust manager for elevator control
US-9840395-B2 · Dec 12, 2017 · US
Position-determination system for an elevator
US-2017349400-A1 · Dec 7, 2017 · US
Elevator diagnosing device
US-2017327342-A1 · Nov 16, 2017 · US
Drive device of an elevator with safety system
US-9802790-B2 · Oct 31, 2017 · US
Drive control apparatus for multiple-winding motor
US-2017310264-A1 · Oct 26, 2017 · US
Elevator control device
US-2017297859-A1 · Oct 19, 2017 · US
Uninterrupted rescue operation
US-2017283213-A1 · Oct 5, 2017 · US
Elevator safety arrangement with drive prevention logic
US-9776829-B2 · Oct 3, 2017 · US
Embedded energy storage to drive car and auxiliary systems
US-2017275138-A1 · Sep 28, 2017 · US
Controlling Sway of Elevator Cable Connected to Elevator Car
US-2017260025-A1 · Sep 14, 2017 · US
Method for determining speed of an electric motor, an elevator control unit utilizing the method thereof and a computer program product
US-2017260022-A1 · Sep 14, 2017 · US
Determination of the movement of a synchronous machine
US-9758342-B2 · Sep 12, 2017 · US
Elevator having a rope monitoring arrangement and method for controlling the elevator
US-9758343-B2 · Sep 12, 2017 · US
Elevator run profile modification for smooth rescue
US-2017247223-A1 · Aug 31, 2017 · US
Elevator
US-2017233222-A1 · Aug 17, 2017 · US
Method for controlling operation of elevator
US-2017210595-A1 · Jul 27, 2017 · US
Controlling speed of an elevator using a speed reducing switch and governor
US-9708157-B2 · Jul 18, 2017 · US
Method and elevator
US-2017197804-A1 · Jul 13, 2017 · US
Brake operation management in elevators
US-2017174472-A1 · Jun 22, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B66B1/30?
- CPC B66B1/30 is the Cooperative Patent Classification code for “effective on driving gear {, e.g. acting on power electronics, on inverter or rectifier controlled motor}.”
- How many patents are filed under CPC B66B1/30 (effective on driving gear {, e.g. acting on power electronics, on inverter or rectifier controlled motor})?
- Our database includes 288 publications tagged with this CPC code.
- Is patent activity under CPC B66B1/30 growing?
- Publication counts under this code: 18 in 2024 vs 16 in 2025 (latest complete years).