Systems and methods for implementing robust gearbox housings
US-10487934-B2 · Nov 26, 2019 · US
Permanent cores
Permanent cores · 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 | B22C9/101 |
| Official title | {Permanent cores} |
| Display label | Permanent cores |
| Total patents | 92 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 20 |
| 2017 | 16 |
| 2018 | 14 |
| 2019 | 10 |
| 2020 | 9 |
| 2021 | 11 |
| 2022 | 4 |
| 2023 | 5 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Core arrangement for turbine engine component
US-2019344334-A1 · Nov 14, 2019 · US
Casting mold, insert for a casting mold, a cast part and a casting method therefor
US-10441997-B2 · Oct 15, 2019 · US
Core arrangement for turbine engine component
US-10406596-B2 · Sep 10, 2019 · US
Method and assembly for forming components using a jacketed core
US-2019217381-A1 · Jul 18, 2019 · US
Airfoil having pedestals in trailing edge cavity
US-10337332-B2 · Jul 2, 2019 · US
Brake carrier casting and a method of making a brake carrier casting
US-2019176229-A1 · Jun 13, 2019 · US
Method and assembly for forming components using a jacketed core
US-10286450-B2 · May 14, 2019 · US
Mold assembly and method for manufacturing metal castings
US-2019134704-A1 · May 9, 2019 · US
Method and assembly for forming components having an internal passage defined therein
US-10137499-B2 · Nov 27, 2018 · US
Casting assembly and method to provide magnetic retention for over-molded inserts in die cast tooling
US-10125720-B2 · Nov 13, 2018 · US
Method and assembly for forming components having internal passages using a jacketed core
US-10118217-B2 · Nov 6, 2018 · US
Casting die device and casting method
US-10099281-B2 · Oct 16, 2018 · US
Method and assembly for forming components having an internal passage defined therein
US-10099283-B2 · Oct 16, 2018 · US
Method and assembly for forming components having a catalyzed internal passage defined therein
US-10099284-B2 · Oct 16, 2018 · US
Forming assembly and method to provide a component with a passageway
US-10094328-B2 · Oct 9, 2018 · US
Molding device and method for manufacturing molded product
US-2018221945-A1 · Aug 9, 2018 · US
Core assembly including studded spacer
US-2018161851-A1 · Jun 14, 2018 · US
Pendulum assembly for a crankshaft pendulum having cast-in near net shape hardened inserts
US-9995367-B2 · Jun 12, 2018 · US
Method and assembly for forming components having internal passages using a lattice structure
US-9975176-B2 · May 22, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B22C9/101?
- CPC B22C9/101 is the Cooperative Patent Classification code for “Permanent cores.”
- How many patents are filed under CPC B22C9/101 (Permanent cores)?
- Our database includes 92 publications tagged with this CPC code.
- Is patent activity under CPC B22C9/101 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).