Method for manufacturing ring member for bearing, and mold for inversion working
US-12409487-B2 · Sep 9, 2025 · US
rings, e.g. barrel hoops
rings, e.g. barrel hoops · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B21D53/16 |
| Official title | rings, e.g. barrel hoops |
| Display label | rings, e.g. barrel hoops |
| Total patents | 43 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 3 |
| 2017 | 5 |
| 2018 | 7 |
| 2019 | 8 |
| 2020 | 4 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for manufacturing metal component arranged inflow path for high temperature fluid
US-2025116221-A1 · Apr 10, 2025 · US
System and method for contouring ring component
US-12233452-B2 · Feb 25, 2025 · US
Method for manufacturing ring member for bearing, and mold for inversion working
US-2025010355-A1 · Jan 9, 2025 · US
Tubular rotary component, manufacturing method therefor, and mold therefor
US-2024342785-A1 · Oct 17, 2024 · US
Tubular rotary component, manufacturing method therefor, and mold therefor
US-12083573-B2 · Sep 10, 2024 · US
System and method for contouring ring component
US-2023226596-A1 · Jul 20, 2023 · US
Tubular rotary component, manufacturing method therefor, and mold therefor
US-2022097118-A1 · Mar 31, 2022 · US
Systems and methods for manufacturing a ring from a metal sheet
US-11207722-B2 · Dec 28, 2021 · US
Manufacturing method for cylindrical portion
US-10974302-B2 · Apr 13, 2021 · US
Method for manufacturing turbomachine member ring supports
US-10773296-B2 · Sep 15, 2020 · US
Method for manufacturing core plate
US-10749416-B2 · Aug 18, 2020 · US
Method of manufacturing rolling bearing ring
US-10730098-B2 · Aug 4, 2020 · US
Systems and methods for manufacturing a ring from a metal sheet
US-2020078843-A1 · Mar 12, 2020 · US
Endless metal belt and manufacturing method therefor
US-2019346015-A1 · Nov 14, 2019 · US
Endless metal ring and method of producing the same
US-2019331197-A1 · Oct 31, 2019 · US
Fitting member, annular member, joined member and method of manufacturing joined member
US-2019291166-A1 · Sep 26, 2019 · US
Method for manufacturing cylindrical member
US-10413961-B2 · Sep 17, 2019 · US
Method and system for producing ring-shaped member for vehicle, and synchronizer ring
US-10369612-B2 · Aug 6, 2019 · US
Method for manufacturing ring
US-2019168285-A1 · Jun 6, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B21D53/16?
- CPC B21D53/16 is the Cooperative Patent Classification code for “rings, e.g. barrel hoops.”
- How many patents are filed under CPC B21D53/16 (rings, e.g. barrel hoops)?
- Our database includes 43 publications tagged with this CPC code.
- Is patent activity under CPC B21D53/16 growing?
- Publication counts under this code: 2 in 2024 vs 4 in 2025 (latest complete years).