Controller and control method
US-2025042447-A1 · Feb 6, 2025 · US
Safety devices for preventing passengers from being injured by movements of doors or variations in air pressure (safety devices in passenger lifts for preventing trapping of passengers between closing doors B66B13/26; acting on power-operated mechanisms for wings E05F15/00) · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B61D19/026 |
| Official title | {Safety devices for preventing passengers from being injured by movements of doors or variations in air pressure (safety devices in passenger lifts for preventing trapping of passengers between closing doors B66B13/26; acting on power-operated mechanisms for wings E05F15/00)} |
| Display label | Safety devices for preventing passengers from being injured by movements of doors or variations in air pressure (safety devices in passenger lifts for preventing trapping of passengers between closing doors B66B13/26; acting on power-operated mechanisms for wings E05F15/00) |
| Total patents | 39 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 3 |
| 2018 | 3 |
| 2019 | 7 |
| 2020 | 7 |
| 2021 | 5 |
| 2022 | 6 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025042447-A1 · Feb 6, 2025 · US
US-12047554-B2 · Jul 23, 2024 · US
US-11958508-B2 · Apr 16, 2024 · US
US-2023362349-A1 · Nov 9, 2023 · US
US-11649662-B2 · May 16, 2023 · US
US-11549301-B2 · Jan 10, 2023 · US
US-11505974-B2 · Nov 22, 2022 · US
US-11454058-B2 · Sep 27, 2022 · US
US-11447999-B2 · Sep 20, 2022 · US
US-11394885-B2 · Jul 19, 2022 · US
US-11261643-B2 · Mar 1, 2022 · US
US-11225818-B2 · Jan 18, 2022 · US
US-11148685-B2 · Oct 19, 2021 · US
US-11091950-B2 · Aug 17, 2021 · US
US-11077870-B2 · Aug 3, 2021 · US
US-2021230914-A1 · Jul 29, 2021 · US
US-2021037215-A1 · Feb 4, 2021 · US
US-2020284082-A1 · Sep 10, 2020 · US
US-2020208454-A1 · Jul 2, 2020 · US
US-2020213519-A1 · Jul 2, 2020 · US
Answers are generated from the same data shown on this page.