Self-adjusting drum system
US-2018355879-A1 · Dec 13, 2018 · US
Axial thrust balancing
Axial thrust balancing · 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 | F04D29/041 |
| Official title | Axial thrust balancing |
| Display label | Axial thrust balancing |
| Total patents | 314 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 16 |
| 2017 | 27 |
| 2018 | 22 |
| 2019 | 51 |
| 2020 | 27 |
| 2021 | 40 |
| 2022 | 35 |
| 2023 | 29 |
| 2024 | 24 |
| 2025 | 28 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
High speed motor drive
US-10145224-B1 · Dec 4, 2018 · US
Center rod magnet
US-2018335037-A1 · Nov 22, 2018 · US
Pump assembly
US-10024324-B2 · Jul 17, 2018 · US
Fuel pump
US-2018135640-A1 · May 17, 2018 · US
Subsea process lubricated water injection pump
US-2017306966-A1 · Oct 26, 2017 · US
Pump motor with a fixed bearing
US-2017298946-A1 · Oct 19, 2017 · US
Center bushing to balance axial forces in multi-stage pumps
US-2017298948-A1 · Oct 19, 2017 · US
Impeller assembly for centrifugal pumps
US-2017260992-A1 · Sep 14, 2017 · US
Taper sleeve driver for thrust bearing
US-2017248150-A1 · Aug 31, 2017 · US
Non-Parting Tool for Use in Submersible Pump System
US-2017248001-A1 · Aug 31, 2017 · US
Shrink disc connection for surface pump thrust carrying shafts
US-2017248151-A1 · Aug 31, 2017 · US
Load Sharing Spring for Tandem Thrust Bearings of Submersible Pump Assembly
US-2017234321-A1 · Aug 17, 2017 · US
Balancing of axial thrust forces within a gas turbine engine
US-2017226859-A1 · Aug 10, 2017 · US
A method of pumping a liquid medium, a centrifugal pump and an impeller therefor
US-2017218970-A1 · Aug 3, 2017 · US
Impeller position compensation using field oriented control
US-9709061-B2 · Jul 18, 2017 · US
Opposed impeller wear ring undercut to offset generated axial thrust in multi-stage pump
US-2017184115-A1 · Jun 29, 2017 · US
Thrust compensation system for fluid transport devices
US-2017175752-A1 · Jun 22, 2017 · US
Horizontal Pumping System with Bent Plate Frame
US-2017167512-A1 · Jun 15, 2017 · US
Electric submersible pump components
US-2017167498-A1 · Jun 15, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04D29/041?
- CPC F04D29/041 is the Cooperative Patent Classification code for “Axial thrust balancing.”
- How many patents are filed under CPC F04D29/041 (Axial thrust balancing)?
- Our database includes 314 publications tagged with this CPC code.
- Is patent activity under CPC F04D29/041 growing?
- Publication counts under this code: 24 in 2024 vs 28 in 2025 (latest complete years).