Bearing and unloader assembly for compressors
US-2026055767-A1 · Feb 26, 2026 · US
Shaft flexion
Shaft flexion · 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 | F04C2240/601 |
| Official title | Shaft flexion |
| Display label | Shaft flexion |
| Total patents | 50 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 6 |
| 2020 | 3 |
| 2021 | 8 |
| 2022 | 7 |
| 2023 | 2 |
| 2024 | 8 |
| 2025 | 4 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Rotary compressor and refrigeration apparatus
US-2026002533-A1 · Jan 1, 2026 · US
Bearing and unloader assembly for compressors
US-12486845-B2 · Dec 2, 2025 · US
Compressor and air conditioner
US-12410794-B2 · Sep 9, 2025 · US
Drive assemblies and compressors including the same
US-2025075700-A1 · Mar 6, 2025 · US
Driveshaft assemblies and compressors including the same
US-12188355-B2 · Jan 7, 2025 · US
Compressor and air conditioner
US-2024418170-A1 · Dec 19, 2024 · US
Drive assemblies and compressors including the same
US-2024318652-A1 · Sep 26, 2024 · US
Driveshaft assemblies and compressors including the same
US-2024287904-A1 · Aug 29, 2024 · US
Bearing and unloader assembly for compressors
US-2024183356-A1 · Jun 6, 2024 · US
Scroll compressor, vehicle air conditioner and vehicle
US-11982271-B2 · May 14, 2024 · US
Bearing and unloader assembly for compressors
US-11959477-B1 · Apr 16, 2024 · US
Bearing and unloader assembly for compressors
US-2024102468-A1 · Mar 28, 2024 · US
Tapered shafts for fluid pumps
US-11933295-B2 · Mar 19, 2024 · US
Tapered shafts for fluid pumps
US-2023392595-A1 · Dec 7, 2023 · US
Compressor
US-11566623-B2 · Jan 31, 2023 · US
Pump body assembly, compressor and air conditioner
US-11506202-B2 · Nov 22, 2022 · US
Scroll compressor including a crankpin having an upper recess
US-11499553-B2 · Nov 15, 2022 · US
Compressor
US-11486397-B2 · Nov 1, 2022 · US
Compressor
US-2022341424-A1 · Oct 27, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04C2240/601?
- CPC F04C2240/601 is the Cooperative Patent Classification code for “Shaft flexion.”
- How many patents are filed under CPC F04C2240/601 (Shaft flexion)?
- Our database includes 50 publications tagged with this CPC code.
- Is patent activity under CPC F04C2240/601 growing?
- Publication counts under this code: 8 in 2024 vs 4 in 2025 (latest complete years).