Lightweight thermoplastic composite products and methods of making same
US-12220879-B2 · Feb 11, 2025 · US
Operations & Transport
Operations & Transport · 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 | B22D41/02 |
| Official title | — |
| Display label | Operations & Transport (mapped technology topic) |
| Total patents | 53 |
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 | 8 |
| 2016 | 8 |
| 2017 | 3 |
| 2018 | 7 |
| 2019 | 2 |
| 2020 | 6 |
| 2021 | 7 |
| 2022 | 4 |
| 2023 | 5 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Refractory materials
US-2024300860-A1 · Sep 12, 2024 · US
Casting ladle for casting aluminum alloy
US-11904386-B2 · Feb 20, 2024 · US
Molten metal transfer structure and method
US-11759854-B2 · Sep 19, 2023 · US
Refractory ring and refractory ring system and methods for assembling the same
US-2023256504-A1 · Aug 17, 2023 · US
Refractory ring and refractory ring system and methods for assembling the same
US-11724308-B2 · Aug 15, 2023 · US
Casting Ladle For Casting Aluminum Alloy
US-2023050493-A1 · Feb 16, 2023 · US
Installation structure for nozzle/plug seating block
US-2023032307-A1 · Feb 2, 2023 · US
Crucible with reaction preventing layer made of advanced material and method of melting and casting metal fuel using the same
US-11415369-B2 · Aug 16, 2022 · US
Lightweight thermoplastic composite products and methods of making same
US-2022250335-A1 · Aug 11, 2022 · US
Refractory ring and refractory ring system and methods for assembling the same
US-2022176445-A1 · Jun 9, 2022 · US
Molten metal transfer structure and method
US-2022080498-A1 · Mar 17, 2022 · US
Molten metal transfer vessel with pump
US-11185916-B2 · Nov 30, 2021 · US
Transfer system with dual-flow rotor
US-11167345-B2 · Nov 9, 2021 · US
Castable refractory compositions comprising zeolithic microstructures and uses thereof
US-11130711-B2 · Sep 28, 2021 · US
Transfer vessel with dividing wall
US-11130173-B2 · Sep 28, 2021 · US
Transfer structure with molten metal pump support
US-11103920-B2 · Aug 31, 2021 · US
Method of transferring molten metal
US-11020798-B2 · Jun 1, 2021 · US
Installation structure for nozzle/plug seating block
US-2021001398-A1 · Jan 7, 2021 · US
Transfer structure with molten metal pump support
US-2020130050-A1 · Apr 30, 2020 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B22D41/02?
- CPC B22D41/02 is the Cooperative Patent Classification code for “Operations & Transport.”
- How many patents are filed under CPC B22D41/02 (Operations & Transport)?
- Our database includes 53 publications tagged with this CPC code.
- Is patent activity under CPC B22D41/02 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).