Rotors for use in caustic environments
US-12460649-B2 · Nov 4, 2025 · US
the fluids being hot or corrosive, e.g. liquid metals
the fluids being hot or corrosive, e.g. liquid metals · 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 | F04D7/06 |
| Official title | the fluids being hot or corrosive, e.g. liquid metals |
| Display label | the fluids being hot or corrosive, e.g. liquid metals |
| Total patents | 36 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 8 |
| 2019 | 1 |
| 2020 | 8 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 1 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Coupling unit with connecting pieces
US-12270399-B2 · Apr 8, 2025 · US
Pump unit for a centrifugal pump and centrifugal pump
US-2025075703-A1 · Mar 6, 2025 · US
Centrifugal Pump Having a Cooling Insert
US-2025003417-A1 · Jan 2, 2025 · US
Low pressure molten metal transfer pump
US-12168987-B2 · Dec 17, 2024 · US
Coupling Unit with Thermal Separation Effect
US-2023392612-A1 · Dec 7, 2023 · US
Coupling Unit with Connecting Pieces
US-2023383755-A1 · Nov 30, 2023 · US
Low pressure molten metal transfer pump
US-2023383754-A1 · Nov 30, 2023 · US
Pump casing and pump apparatus
US-2023287899-A1 · Sep 14, 2023 · US
Elastomeric seal bag protector
US-11499403-B2 · Nov 15, 2022 · US
Molten metal rotor with hardened top
US-11391293-B2 · Jul 19, 2022 · US
Centrifugal pump for conveying a fluid
US-11353043-B2 · Jun 7, 2022 · US
Pump assembly, system and method for controlled delivery of molten metal to molds
US-11136984-B2 · Oct 5, 2021 · US
Contacting seal arrangement for low and high pressure applications
US-2021156390-A1 · May 27, 2021 · US
High temperature pump unit with magnetic coupling
US-10816002-B2 · Oct 27, 2020 · US
Rotors for use in caustic environments
US-2020276403-A1 · Sep 3, 2020 · US
Molten metal rotor with hardened top
US-2020256350-A1 · Aug 13, 2020 · US
Mold pump assembly
US-10718336-B2 · Jul 21, 2020 · US
Molten metal rotor with hardened tip
US-10641279-B2 · May 5, 2020 · US
Pump drive unit for conveying a process fluid
US-10634155-B2 · Apr 28, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04D7/06?
- CPC F04D7/06 is the Cooperative Patent Classification code for “the fluids being hot or corrosive, e.g. liquid metals.”
- How many patents are filed under CPC F04D7/06 (the fluids being hot or corrosive, e.g. liquid metals)?
- Our database includes 36 publications tagged with this CPC code.
- Is patent activity under CPC F04D7/06 growing?
- Publication counts under this code: 1 in 2024 vs 4 in 2025 (latest complete years).