Active valve for throttling ascent rate
US-2019382094-A1 · Dec 19, 2019 · US
with electric means, e.g. for controlling the motor or a clutch between the valve and the motor · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F16K31/042 |
| Official title | {with electric means, e.g. for controlling the motor or a clutch between the valve and the motor} |
| Display label | with electric means, e.g. for controlling the motor or a clutch between the valve and the motor |
| Total patents | 189 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 10 |
| 2017 | 13 |
| 2018 | 21 |
| 2019 | 21 |
| 2020 | 33 |
| 2021 | 26 |
| 2022 | 15 |
| 2023 | 15 |
| 2024 | 9 |
| 2025 | 21 |
| 2026 | 3 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2019382094-A1 · Dec 19, 2019 · US
US-2019348890-A1 · Nov 14, 2019 · US
US-2019323376-A1 · Oct 24, 2019 · US
US-2019283534-A1 · Sep 19, 2019 · US
US-10415347-B2 · Sep 17, 2019 · US
US-2019277414-A1 · Sep 12, 2019 · US
US-2019162583-A1 · May 30, 2019 · US
US-10273824-B2 · Apr 30, 2019 · US
US-2019107224-A1 · Apr 11, 2019 · US
US-2019085658-A1 · Mar 21, 2019 · US
US-10234056-B2 · Mar 19, 2019 · US
US-10208804-B2 · Feb 19, 2019 · US
US-2019010877-A1 · Jan 10, 2019 · US
US-2019011057-A1 · Jan 10, 2019 · US
US-2018340555-A1 · Nov 29, 2018 · US
US-2018245704-A1 · Aug 30, 2018 · US
US-2018224017-A1 · Aug 9, 2018 · US
US-10018072-B2 · Jul 10, 2018 · US
US-2018171821-A1 · Jun 21, 2018 · US
US-9996088-B2 · Jun 12, 2018 · US
Answers are generated from the same data shown on this page.