Air-filled kaplan runner
US-2026049590-A1 · Feb 19, 2026 · US
with adjustable blades, e.g. Kaplan turbines {(rotors per se F03B3/14)} · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F03B3/06 |
| Official title | with adjustable blades, e.g. Kaplan turbines {(rotors per se F03B3/14)} |
| Display label | with adjustable blades, e.g. Kaplan turbines {(rotors per se F03B3/14)} |
| Total patents | 28 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 5 |
| 2017 | 7 |
| 2018 | 3 |
| 2019 | 5 |
| 2020 | 1 |
| 2021 | 3 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2026049590-A1 · Feb 19, 2026 · US
US-11022087-B2 · Jun 1, 2021 · US
US-10968882-B2 · Apr 6, 2021 · US
US-10961978-B2 · Mar 30, 2021 · US
US-10598144-B2 · Mar 24, 2020 · US
US-10487793-B2 · Nov 26, 2019 · US
US-10415540-B2 · Sep 17, 2019 · US
US-10294912-B2 · May 21, 2019 · US
US-10247166-B2 · Apr 2, 2019 · US
US-10190565-B2 · Jan 29, 2019 · US
US-2018274515-A1 · Sep 27, 2018 · US
US-10012206-B2 · Jul 3, 2018 · US
US-2018017034-A1 · Jan 18, 2018 · US
US-2017370343-A1 · Dec 28, 2017 · US
US-9790915-B2 · Oct 17, 2017 · US
US-2017268478-A1 · Sep 21, 2017 · US
US-2017260959-A1 · Sep 14, 2017 · US
US-9683537-B2 · Jun 20, 2017 · US
US-2017082084-A1 · Mar 23, 2017 · US
US-2017058857-A1 · Mar 2, 2017 · US
Answers are generated from the same data shown on this page.