Systems and methods for preventing a walkway platform flip door from being raised without a guardrail installed
US-12404707-B2 · Sep 2, 2025 · US
with operating handle or equivalent member moving otherwise than rigidly with the bolt · Cooperative Patent Classification (CPC)
Building, mining, and civil engineering structures.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | E05C3/06 |
| Official title | with operating handle or equivalent member moving otherwise than rigidly with the bolt |
| Display label | with operating handle or equivalent member moving otherwise than rigidly with the bolt |
| Total patents | 29 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 3 |
| 2017 | 4 |
| 2018 | 3 |
| 2019 | 4 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12404707-B2 · Sep 2, 2025 · US
US-12180760-B2 · Dec 31, 2024 · US
US-12178001-B2 · Dec 24, 2024 · US
US-2023184011-A1 · Jun 15, 2023 · US
US-2023011346-A1 · Jan 12, 2023 · US
US-11537160-B2 · Dec 27, 2022 · US
US-2022330449-A1 · Oct 13, 2022 · US
US-11412634-B2 · Aug 9, 2022 · US
US-11326370-B2 · May 10, 2022 · US
US-2021404218-A1 · Dec 30, 2021 · US
US-2021282291-A1 · Sep 9, 2021 · US
US-10941973-B2 · Mar 9, 2021 · US
US-2020378156-A1 · Dec 3, 2020 · US
US-2020263917-A1 · Aug 20, 2020 · US
US-10684061-B2 · Jun 16, 2020 · US
US-10487542-B2 · Nov 26, 2019 · US
US-10352071-B2 · Jul 16, 2019 · US
US-10329799-B2 · Jun 25, 2019 · US
US-2019120542-A1 · Apr 25, 2019 · US
US-10098459-B2 · Oct 16, 2018 · US
Answers are generated from the same data shown on this page.