Emergency opening structure for revolving door and revolving door assembly
US-2025314112-A1 · Oct 9, 2025 · US
Revolving doors; Cages or housings therefor (turnstiles E06B11/08) · Cooperative Patent Classification (CPC)
Building, mining, and civil engineering structures.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | E06B3/90 |
| Official title | Revolving doors; Cages or housings therefor (turnstiles E06B11/08) |
| Display label | Revolving doors; Cages or housings therefor (turnstiles E06B11/08) |
| Total patents | 35 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 4 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 4 |
| 2022 | 5 |
| 2023 | 5 |
| 2024 | 6 |
| 2025 | 5 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025314112-A1 · Oct 9, 2025 · US
US-2025263970-A1 · Aug 21, 2025 · US
US-12378813-B2 · Aug 5, 2025 · US
US-2025101797-A1 · Mar 27, 2025 · US
US-2025003281-A1 · Jan 2, 2025 · US
US-12180768-B2 · Dec 31, 2024 · US
US-12129706-B2 · Oct 29, 2024 · US
US-12006761-B2 · Jun 11, 2024 · US
US-11946307-B2 · Apr 2, 2024 · US
US-2024011349-A1 · Jan 11, 2024 · US
US-2024011350-A1 · Jan 11, 2024 · US
US-11851928-B2 · Dec 26, 2023 · US
US-2023175318-A1 · Jun 8, 2023 · US
US-2023122527-A1 · Apr 20, 2023 · US
US-2023082098-A1 · Mar 16, 2023 · US
US-2023050465-A1 · Feb 16, 2023 · US
US-2022268090-A1 · Aug 25, 2022 · US
US-2022268091-A1 · Aug 25, 2022 · US
US-2022244377-A1 · Aug 4, 2022 · US
US-11401747-B2 · Aug 2, 2022 · US
Answers are generated from the same data shown on this page.