Valve body for frac pump
US-11085544-B2 · Aug 10, 2021 · US
the driving means incorporating fluid means
the driving means incorporating fluid means · 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 | F04B47/04 |
| Official title | the driving means incorporating fluid means |
| Display label | the driving means incorporating fluid means |
| Total patents | 87 |
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 | 4 |
| 2016 | 4 |
| 2017 | 10 |
| 2018 | 9 |
| 2019 | 21 |
| 2020 | 10 |
| 2021 | 10 |
| 2022 | 5 |
| 2023 | 5 |
| 2024 | 5 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Semi-trailer-loaded turbine fracturing equipment
US-2021088042-A1 · Mar 25, 2021 · US
Pump system
US-10837437-B2 · Nov 17, 2020 · US
Mud pump stroke detection using distributed acoustic sensing
US-10794177-B2 · Oct 6, 2020 · US
Slant mounted hydraulic pumping system
US-10760388-B2 · Sep 1, 2020 · US
Thrust load support for downhole-type system
US-10630139-B2 · Apr 21, 2020 · US
Hydraulic pumping system with detection of fluid in gas volume
US-10619464-B2 · Apr 14, 2020 · US
Linear Hydraulic Pump and Its Application in Well Pressure Control
US-2020088187-A1 · Mar 19, 2020 · US
Sealless downhole system with magnetically supported rotor
US-10581297-B2 · Mar 3, 2020 · US
Method of remanufacturing fluid end block
US-10563494-B2 · Feb 18, 2020 · US
Linear hydraulic pump and its application in well pressure control
US-10533548-B2 · Jan 14, 2020 · US
High speed motor drive
US-10536053-B2 · Jan 14, 2020 · US
Axial gap generator measurement tool
US-2019368325-A1 · Dec 5, 2019 · US
Linear Hydraulic Pump for Submersible Applications
US-2019323499-A1 · Oct 24, 2019 · US
Active magnetic bearing control for downhole-type system
US-10447111-B2 · Oct 15, 2019 · US
Axial gap generator measurement tool
US-10385665-B2 · Aug 20, 2019 · US
Position sensing for wellsite pumping unit
US-10344573-B2 · Jul 9, 2019 · US
Sealless downhole system with magnetically supported rotor
US-10309200-B2 · Jun 4, 2019 · US
Axial gap generator for powering a magnetic bearing
US-10312772-B2 · Jun 4, 2019 · US
Method of remanufacturing fluid end block
US-2019128104-A1 · May 2, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04B47/04?
- CPC F04B47/04 is the Cooperative Patent Classification code for “the driving means incorporating fluid means.”
- How many patents are filed under CPC F04B47/04 (the driving means incorporating fluid means)?
- Our database includes 87 publications tagged with this CPC code.
- Is patent activity under CPC F04B47/04 growing?
- Publication counts under this code: 5 in 2024 vs 4 in 2025 (latest complete years).