Pump and drive assembly
US-12553426-B2 · Feb 17, 2026 · US
only the pump-part being immersed, the driving-part being outside the reservoir
only the pump-part being immersed, the driving-part being outside the reservoir · 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 | F04B23/023 |
| Official title | {only the pump-part being immersed, the driving-part being outside the reservoir} |
| Display label | only the pump-part being immersed, the driving-part being outside the reservoir |
| Total patents | 59 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 5 |
| 2017 | 1 |
| 2018 | 6 |
| 2019 | 4 |
| 2020 | 5 |
| 2021 | 7 |
| 2022 | 7 |
| 2023 | 7 |
| 2024 | 5 |
| 2025 | 9 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Reciprocating molten metal pump
US-12523206-B1 · Jan 13, 2026 · US
Hydraulic pump arrangement
US-12454952-B2 · Oct 28, 2025 · US
Fracturing equipment having multiple electric-power supplies
US-12442370-B2 · Oct 14, 2025 · US
Transfer pump
US-12352254-B2 · Jul 8, 2025 · US
Systems and Methods for a Connected Sump Pump
US-2025185123-A1 · Jun 5, 2025 · US
Pump control system and method
US-12228117-B2 · Feb 18, 2025 · US
Systems and methods for a connected sump pump
US-12219664-B2 · Feb 4, 2025 · US
Heated lubricant pump
US-12215823-B2 · Feb 4, 2025 · US
Pump System
US-2025012295-A1 · Jan 9, 2025 · US
Compression apparatus and filling station comprising such an apparatus
US-12188461-B2 · Jan 7, 2025 · US
Hydraulic pump system
US-12180948-B2 · Dec 31, 2024 · US
Hydraulic Pump Arrangement
US-2024360828-A1 · Oct 31, 2024 · US
Compression apparatus and filling station comprising such an apparatus
US-12092098-B2 · Sep 17, 2024 · US
Compression apparatus and filling station comprising such an apparatus
US-2024230032-A1 · Jul 11, 2024 · US
Systems and Methods for a Connected Sump Pump
US-2024040665-A1 · Feb 1, 2024 · US
Contactless machine drive and hand tool
US-2023415180-A1 · Dec 28, 2023 · US
Systems and methods for a connected sump pump
US-11838992-B2 · Dec 5, 2023 · US
Fracturing equipment having multiple electric-power supplies
US-2023193734-A1 · Jun 22, 2023 · US
Pump and drive assembly
US-2023184235-A1 · Jun 15, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04B23/023?
- CPC F04B23/023 is the Cooperative Patent Classification code for “only the pump-part being immersed, the driving-part being outside the reservoir.”
- How many patents are filed under CPC F04B23/023 (only the pump-part being immersed, the driving-part being outside the reservoir)?
- Our database includes 59 publications tagged with this CPC code.
- Is patent activity under CPC F04B23/023 growing?
- Publication counts under this code: 5 in 2024 vs 9 in 2025 (latest complete years).