Method for controlling a pump arrangement
US-10465690-B2 · Nov 5, 2019 · US
Mechanical Engineering
Mechanical Engineering · 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 | F04D7/045 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 138 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 8 |
| 2017 | 17 |
| 2018 | 11 |
| 2019 | 19 |
| 2020 | 10 |
| 2021 | 6 |
| 2022 | 17 |
| 2023 | 9 |
| 2024 | 15 |
| 2025 | 14 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cutter wheel, cutter disc as well as cutter assembly suitable for grinder pumps
US-2019321828-A1 · Oct 24, 2019 · US
Vortex Pump
US-2019316590-A1 · Oct 17, 2019 · US
Well debris handling system
US-2019218891-A1 · Jul 18, 2019 · US
Well debris handling system
US-2019218892-A1 · Jul 18, 2019 · US
Shredding assembly for a grinder pump and centrifugal grinder pump
US-2019170145-A1 · Jun 6, 2019 · US
Assembly for reducing size of suspended solids
US-2019170154-A1 · Jun 6, 2019 · US
Pump for pumping liquid as well as impeller assembly
US-2019154047-A1 · May 23, 2019 · US
Well debris handling system
US-10287853-B2 · May 14, 2019 · US
System comprising a pump attached to a tank casing for mixing a fluid
US-10252229-B2 · Apr 9, 2019 · US
Well debris handling system
US-2019063190-A1 · Feb 28, 2019 · US
Pump for the conveyance of a fluid with varying viscosity
US-10215185-B2 · Feb 26, 2019 · US
System comprising a pump attached to a tank casing for mixing a fluid
US-2019001284-A1 · Jan 3, 2019 · US
Impeller for a centrifugal pump
US-10094222-B2 · Oct 9, 2018 · US
Centrifugal pumps having anti-air-locking features
US-10087946-B2 · Oct 2, 2018 · US
Volute pump
US-10054120-B2 · Aug 21, 2018 · US
Liner coupling pin
US-10047761-B2 · Aug 14, 2018 · US
Contra-rotating multi-layer propeller unit for multi-phase flow
US-2018184626-A1 · Jul 5, 2018 · US
Rotary parts for a slurry pump
US-2018172017-A1 · Jun 21, 2018 · US
Waste water pump
US-2018106264-A1 · Apr 19, 2018 · US
Next steps
Free tools are coming soon. Tell us what you want to track and we'll notify you.
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04D7/045?
- CPC F04D7/045 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F04D7/045 (Mechanical Engineering)?
- Our database includes 138 publications tagged with this CPC code.
- Is patent activity under CPC F04D7/045 growing?
- Publication counts under this code: 15 in 2024 vs 14 in 2025 (latest complete years).