Passive Rotation Of A Valve Using Fluid Flow
US-2018363643-A1 · Dec 20, 2018 · US
Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps (by using positive or negative pressurised fluid medium acting directly on the liquid to be pumped F04F1/00) · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F04B47/00 |
| Official title | Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps (by using positive or negative pressurised fluid medium acting directly on the liquid to be pumped F04F1/00) |
| Display label | Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps (by using positive or negative pressurised fluid medium acting directly on the liquid to be pumped F04F1/00) |
| Total patents | 323 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 19 |
| 2017 | 23 |
| 2018 | 31 |
| 2019 | 24 |
| 2020 | 25 |
| 2021 | 34 |
| 2022 | 41 |
| 2023 | 47 |
| 2024 | 32 |
| 2025 | 29 |
| 2026 | 6 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2018363643-A1 · Dec 20, 2018 · US
US-10024315-B2 · Jul 17, 2018 · US
US-2018195506-A1 · Jul 12, 2018 · US
US-2018133803-A1 · May 17, 2018 · US
US-2018066653-A1 · Mar 8, 2018 · US
US-9879527-B2 · Jan 30, 2018 · US
US-2017370480-A1 · Dec 28, 2017 · US
US-2017370524-A1 · Dec 28, 2017 · US
US-2017370199-A1 · Dec 28, 2017 · US
US-9828990-B1 · Nov 28, 2017 · US
US-9822776-B2 · Nov 21, 2017 · US
US-2017306986-A1 · Oct 26, 2017 · US
US-9797395-B2 · Oct 24, 2017 · US
US-9790938-B2 · Oct 17, 2017 · US
US-9784262-B2 · Oct 10, 2017 · US
US-2017268500-A1 · Sep 21, 2017 · US
US-2017234308-A1 · Aug 17, 2017 · US
US-2017234117-A1 · Aug 17, 2017 · US
US-2017226998-A1 · Aug 10, 2017 · US
US-2017218951-A1 · Aug 3, 2017 · US
Answers are generated from the same data shown on this page.