Pump, chemical liquid supplying unit, and substrate treating apparatus
US-12331736-B2 · Jun 17, 2025 · US
the fluids being hot or corrosive (for liquids near their boiling point, e.g. under subnormal pressure, F04B15/06)
the fluids being hot or corrosive (for liquids near their boiling point, e.g. under subnormal pressure, F04B15/06) · 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 | F04B15/04 |
| Official title | the fluids being hot or corrosive (for liquids near their boiling point, e.g. under subnormal pressure, F04B15/06) |
| Display label | the fluids being hot or corrosive (for liquids near their boiling point, e.g. under subnormal pressure, F04B15/06) |
| Total patents | 66 |
Filing trend
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 | 1 |
| 2018 | 6 |
| 2019 | 9 |
| 2020 | 8 |
| 2021 | 8 |
| 2022 | 6 |
| 2023 | 4 |
| 2024 | 8 |
| 2025 | 5 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and apparatus for cleaning substrates using high temperature chemicals and ultrasonic device
US-12186684-B2 · Jan 7, 2025 · US
Aluminum compressor with sacrificial cladding
US-12158290-B2 · Dec 3, 2024 · US
Surface driven downhole pump system
US-12140136-B2 · Nov 12, 2024 · US
Dosage pump with low energy consumption
US-2024369049-A1 · Nov 7, 2024 · US
Multi-piece fluid end
US-2024254979-A1 · Aug 1, 2024 · US
Method and apparatus for cleaning substrates using high temperature chemicals and ultrasonic device
US-2024207760-A1 · Jun 27, 2024 · US
Apparatus for pumping suspended polymer liquid
US-2024117799-A1 · Apr 11, 2024 · US
Method and apparatus for cleaning substrates using high temperature chemicals and ultrasonic device
US-11925881-B2 · Mar 12, 2024 · US
Fluid end with clamped retention
US-11920583-B2 · Mar 5, 2024 · US
Electromagnetic pump
US-2023361667-A1 · Nov 9, 2023 · US
Surface driven downhole pump system
US-2023204027-A1 · Jun 29, 2023 · US
Pump, chemical liquid supplying unit, and substrate treating apparatus
US-2023072779-A1 · Mar 9, 2023 · US
Surface driven downhole pump system
US-11592018-B2 · Feb 28, 2023 · US
Plunger pump and liquid blow molding device
US-2022412347-A1 · Dec 29, 2022 · US
Methods of metering delivery of caustic soda for treatment of water
US-11485653-B2 · Nov 1, 2022 · US
Pumping system with control features for controlling stroke duration and injection volume
US-11480163-B2 · Oct 25, 2022 · US
Fluid end with clamped retention
US-2022282720-A1 · Sep 8, 2022 · US
Fluid end crossbore
US-11346340-B2 · May 31, 2022 · US
System and Method for Comprehensive Fracturing Pump Operation Monitoring
US-2022145876-A1 · May 12, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04B15/04?
- CPC F04B15/04 is the Cooperative Patent Classification code for “the fluids being hot or corrosive (for liquids near their boiling point, e.g. under subnormal pressure, F04B15/06).”
- How many patents are filed under CPC F04B15/04 (the fluids being hot or corrosive (for liquids near their boiling point, e.g. under subnormal pressure, F04B15/06))?
- Our database includes 66 publications tagged with this CPC code.
- Is patent activity under CPC F04B15/04 growing?
- Publication counts under this code: 8 in 2024 vs 5 in 2025 (latest complete years).