Steering-wheel core
US-10843256-B2 · Nov 24, 2020 · US
for wheels, rolls, or rollers {(B22D15/005 takes precedence)}
for wheels, rolls, or rollers {(B22D15/005 takes precedence)} · 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 | B22C9/28 |
| Official title | for wheels, rolls, or rollers {(B22D15/005 takes precedence)} |
| Display label | for wheels, rolls, or rollers {(B22D15/005 takes precedence)} |
| Total patents | 81 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 4 |
| 2017 | 13 |
| 2018 | 12 |
| 2019 | 21 |
| 2020 | 11 |
| 2021 | 2 |
| 2022 | 7 |
| 2023 | 3 |
| 2024 | 4 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Mold
US-2020353533-A1 · Nov 12, 2020 · US
Wheel hub molding and casting die and preparation process thereof
US-2020331056-A1 · Oct 22, 2020 · US
Aluminum wheel squeeze casting process and device
US-10758973-B2 · Sep 1, 2020 · US
Continuous casting and continuous forging forming process for aluminum wheel
US-10695828-B2 · Jun 30, 2020 · US
Water-cooled mold for low-pressure casting of aluminum alloy wheel
US-10675675-B2 · Jun 9, 2020 · US
Mold for reducing defects in low pressure casting of aluminum alloy wheel
US-10654099-B2 · May 19, 2020 · US
Low-pressure casting mold for aluminum wheel
US-10549339-B2 · Feb 4, 2020 · US
Integral ring gear and torque arm for a wind turbine gearbox
US-10495210-B2 · Dec 3, 2019 · US
Tandem water spot cooling device for top die
US-10456822-B2 · Oct 29, 2019 · US
Mold for reducing defects in low pressure casting of aluminum alloy wheel
US-2019321878-A1 · Oct 24, 2019 · US
Plunger for strengthening spoke root R angle cooling
US-10449600-B2 · Oct 22, 2019 · US
Turbine blades and vanes for gas turbine engine
US-2019309629-A1 · Oct 10, 2019 · US
Flowpath contouring
US-10436068-B2 · Oct 8, 2019 · US
Low-pressure casting mold for aluminum wheel
US-2019299276-A1 · Oct 3, 2019 · US
Water-cooled mold for low-pressure casting of aluminum alloy wheel
US-2019291173-A1 · Sep 26, 2019 · US
Mold for improving solidification speed of aluminum alloy cast hot section
US-2019291174-A1 · Sep 26, 2019 · US
Low-pressure casting multi-sprue process and device for aluminum alloy wheel
US-2019283122-A1 · Sep 19, 2019 · US
Aluminum wheel squeeze casting process and device
US-2019283121-A1 · Sep 19, 2019 · US
Partially-cast, multi-metal casing for combustion turbine engine
US-2019284957-A1 · Sep 19, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B22C9/28?
- CPC B22C9/28 is the Cooperative Patent Classification code for “for wheels, rolls, or rollers {(B22D15/005 takes precedence)}.”
- How many patents are filed under CPC B22C9/28 (for wheels, rolls, or rollers {(B22D15/005 takes precedence)})?
- Our database includes 81 publications tagged with this CPC code.
- Is patent activity under CPC B22C9/28 growing?
- Publication counts under this code: 4 in 2024 vs 2 in 2025 (latest complete years).