First stage impulse steam turbine nozzle axially tangential holes matrix
US-12571322-B1 · Mar 10, 2026 · US
Impact turbines with buckets, i.e. impulse turbines, e.g. Pelton turbines (F01D1/16, F01D1/34 take precedence)
Impact turbines with buckets, i.e. impulse turbines, e.g. Pelton turbines (F01D1/16, F01D1/34 take precedence) · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F01D1/026 |
| Official title | {Impact turbines with buckets, i.e. impulse turbines, e.g. Pelton turbines (F01D1/16, F01D1/34 take precedence)} |
| Display label | Impact turbines with buckets, i.e. impulse turbines, e.g. Pelton turbines (F01D1/16, F01D1/34 take precedence) |
| Total patents | 32 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 4 |
| 2017 | 6 |
| 2018 | 2 |
| 2019 | 5 |
| 2020 | 4 |
| 2021 | 1 |
| 2022 | 1 |
| 2024 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Separation assembly with a single-piece impulse turbine
US-12030063-B2 · Jul 9, 2024 · US
Rocket-engine turbopump
US-11466645-B2 · Oct 11, 2022 · US
Separation assembly with a single-piece impulse turbine
US-2021039115-A1 · Feb 11, 2021 · US
Rocket-engine turbopump
US-2020248650-A1 · Aug 6, 2020 · US
Turbomachine
US-10711639-B2 · Jul 14, 2020 · US
Controlled flow guides for turbines
US-10662802-B2 · May 26, 2020 · US
Air turbine start system
US-2020056547-A1 · Feb 20, 2020 · US
Composite coating layer having improved erosion resistance and turbine component including the same
US-2019390556-A1 · Dec 26, 2019 · US
Air turbine start system
US-10480417-B2 · Nov 19, 2019 · US
Engine assembly with exhaust pipe nozzle
US-10393014-B2 · Aug 27, 2019 · US
Controlled Flow Guides for Turbines
US-2019203609-A1 · Jul 4, 2019 · US
Impeller for electrostatic spray gun
US-10239070-B2 · Mar 26, 2019 · US
Inlet guide assembly
US-9890649-B2 · Feb 13, 2018 · US
Air turbine start system
US-2018016988-A1 · Jan 18, 2018 · US
Engine assembly with exhaust pipe nozzle
US-2017362998-A1 · Dec 21, 2017 · US
Compound engine assembly with exhaust pipe nozzle
US-9759128-B2 · Sep 12, 2017 · US
Inlet guide assembly
US-2017218783-A1 · Aug 3, 2017 · US
Impeller for electrostatic spray gun
US-2017182505-A1 · Jun 29, 2017 · US
Mixed flow turbine
US-9657573-B2 · May 23, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F01D1/026?
- CPC F01D1/026 is the Cooperative Patent Classification code for “Impact turbines with buckets, i.e. impulse turbines, e.g. Pelton turbines (F01D1/16, F01D1/34 take precedence).”
- How many patents are filed under CPC F01D1/026 (Impact turbines with buckets, i.e. impulse turbines, e.g. Pelton turbines (F01D1/16, F01D1/34 take precedence))?
- Our database includes 32 publications tagged with this CPC code.
- Is patent activity under CPC F01D1/026 growing?
- Publication counts under this code: 1 in 2022 vs 1 in 2024 (latest complete years).