Axle box for a railway vehicle
US-2020307657-A1 · Oct 1, 2020 · US
with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings · 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 | F16C19/22 |
| Official title | with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings |
| Display label | with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings |
| Total patents | 131 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 10 |
| 2017 | 7 |
| 2018 | 14 |
| 2019 | 15 |
| 2020 | 14 |
| 2021 | 14 |
| 2022 | 20 |
| 2023 | 9 |
| 2024 | 10 |
| 2025 | 9 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Bearing assembly having cylindrical rolling elements
US-2020300301-A1 · Sep 24, 2020 · US
Temperature-robust polymer shroud for roller bearing seal
US-10746228-B2 · Aug 18, 2020 · US
Box type sealing structure and conical roller bearing
US-10731706-B2 · Aug 4, 2020 · US
Rolling bearing
US-2020240469-A1 · Jul 30, 2020 · US
Roller Bearing with Lubrication Channel
US-2020191203-A1 · Jun 18, 2020 · US
Flanged wheel hub bearing provided with a sensor
US-2020039289-A1 · Feb 6, 2020 · US
Insert and wear ring for a railway roller bearing
US-2020017129-A1 · Jan 16, 2020 · US
Operation method for link actuating device
US-2019376584-A1 · Dec 12, 2019 · US
Method for producing an inner ring for a tapered roller bearing, and tapered roller bearing having an inner ring
US-10502260-B2 · Dec 10, 2019 · US
Operation device for link actuating device
US-10443693-B2 · Oct 15, 2019 · US
Squeeze film damper for a gas turbine engine
US-10400630-B2 · Sep 3, 2019 · US
Box Type Sealing Structure and Conical Roller Bearing
US-2019257361-A1 · Aug 22, 2019 · US
Bearing assemblies with electrodynamically matched races
US-10371208-B2 · Aug 6, 2019 · US
Bearing assembly
US-10364839-B2 · Jul 30, 2019 · US
Bearing assembly, in particular for a turbomachine, and turbomachine having such a bearing assembly
US-10329952-B2 · Jun 25, 2019 · US
Needle bearing
US-10302127-B2 · May 28, 2019 · US
Squeeze film damper for a gas turbine engine
US-2019153896-A1 · May 23, 2019 · US
Hybrid roller bearing, particularly for refrigerant compressor
US-10280973-B1 · May 7, 2019 · US
Temperature-Robust Polymer Shroud For Roller Bearing Seal
US-2019120294-A1 · Apr 25, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16C19/22?
- CPC F16C19/22 is the Cooperative Patent Classification code for “with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings.”
- How many patents are filed under CPC F16C19/22 (with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings)?
- Our database includes 131 publications tagged with this CPC code.
- Is patent activity under CPC F16C19/22 growing?
- Publication counts under this code: 10 in 2024 vs 9 in 2025 (latest complete years).