System and method for protection against vortex ring state
US-12509222-B2 · Dec 30, 2025 · US
Limited authority control, e.g. enforcing a flight envelope (limitation of acceleration or structural stress G05D1/83) · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G05D1/82 |
| Official title | Limited authority control, e.g. enforcing a flight envelope (limitation of acceleration or structural stress G05D1/83) |
| Display label | Limited authority control, e.g. enforcing a flight envelope (limitation of acceleration or structural stress G05D1/83) |
| Total patents | 93 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 5 |
| 2021 | 3 |
| 2022 | 7 |
| 2023 | 11 |
| 2024 | 21 |
| 2025 | 28 |
| 2026 | 11 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12509222-B2 · Dec 30, 2025 · US
US-2025296692-A1 · Sep 25, 2025 · US
US-12391364-B2 · Aug 19, 2025 · US
US-2025244775-A1 · Jul 31, 2025 · US
US-2025238040-A1 · Jul 24, 2025 · US
US-2025146254-A1 · May 8, 2025 · US
US-2024377834-A1 · Nov 14, 2024 · US
US-2024375768-A1 · Nov 14, 2024 · US
US-2024370026-A1 · Nov 7, 2024 · US
US-2024367785-A1 · Nov 7, 2024 · US
US-2024370036-A1 · Nov 7, 2024 · US
US-2024353866-A1 · Oct 24, 2024 · US
US-2024345603-A1 · Oct 17, 2024 · US
US-2024338027-A1 · Oct 10, 2024 · US
US-12105533-B1 · Oct 1, 2024 · US
US-2024313957-A1 · Sep 19, 2024 · US
US-2024298563-A1 · Sep 12, 2024 · US
US-2024302841-A1 · Sep 12, 2024 · US
US-2024272636-A1 · Aug 15, 2024 · US
US-2024272652-A1 · Aug 15, 2024 · US
Answers are generated from the same data shown on this page.