Gas-based material compression and portioning
US-12539683-B2 · Feb 3, 2026 · US
using fluid pressure
using fluid pressure · 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 | B29C33/46 |
| Official title | using fluid pressure |
| Display label | using fluid pressure |
| Total patents | 51 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 1 |
| 2017 | 4 |
| 2018 | 1 |
| 2019 | 4 |
| 2020 | 5 |
| 2021 | 9 |
| 2022 | 8 |
| 2023 | 7 |
| 2024 | 3 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Molding method for making a monolithic component internally provided with at least one cavity inside
US-12508750-B2 · Dec 30, 2025 · US
Tire vulcanization device and method
US-12459222-B2 · Nov 4, 2025 · US
Screw cap
US-2025250066-A1 · Aug 7, 2025 · US
Mould assembly and processing method of mould assembly
US-2025205934-A1 · Jun 26, 2025 · US
Gas-based material compression and portioning
US-2025042116-A1 · Feb 6, 2025 · US
Gas-based material compression and portioning
US-12138881-B2 · Nov 12, 2024 · US
Jig
US-11931926-B2 · Mar 19, 2024 · US
Gas-based material compression and portioning
US-2024025139-A1 · Jan 25, 2024 · US
Molding process for eased release of a tire
US-2023405882-A1 · Dec 21, 2023 · US
Gas-based material compression and portioning
US-11794436-B2 · Oct 24, 2023 · US
A moulding method for making a monolithic component internally provided with at least one cavity inside
US-2023311374-A1 · Oct 5, 2023 · US
Method of forming pre-defined recess in cured or cast explosive composition
US-11766809-B2 · Sep 26, 2023 · US
Demolding of large composite parts for aircraft
US-11724421-B2 · Aug 15, 2023 · US
Casting method for encapsulating an electrical component
US-11673298-B2 · Jun 13, 2023 · US
Composite fabrication system with alternating air pressure control
US-11660828-B2 · May 30, 2023 · US
Mechanisms to automate removal of aligner from mold
US-2022410438-A1 · Dec 29, 2022 · US
Jig
US-2022305699-A1 · Sep 29, 2022 · US
Mechanisms to automate removal of aligner from mold
US-11420362-B2 · Aug 23, 2022 · US
Permeable Wall Encapsulation Mold
US-2022212374-A1 · Jul 7, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B29C33/46?
- CPC B29C33/46 is the Cooperative Patent Classification code for “using fluid pressure.”
- How many patents are filed under CPC B29C33/46 (using fluid pressure)?
- Our database includes 51 publications tagged with this CPC code.
- Is patent activity under CPC B29C33/46 growing?
- Publication counts under this code: 3 in 2024 vs 5 in 2025 (latest complete years).