Clamping unit for a molding machine
US-2026097548-A1 · Apr 9, 2026 · US
hydro-mechanical
hydro-mechanical · 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 | B29C45/68 |
| Official title | hydro-mechanical |
| Display label | hydro-mechanical |
| Total patents | 39 |
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 | 2 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 9 |
| 2022 | 7 |
| 2023 | 2 |
| 2024 | 6 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Mold-clamping machine
US-12466116-B2 · Nov 11, 2025 · US
Hybrid core driving device and molding machine
US-12337514-B2 · Jun 24, 2025 · US
Mold-clamping machine
US-12257754-B2 · Mar 25, 2025 · US
Tie-bar-less clamping unit
US-2024269898-A1 · Aug 15, 2024 · US
Mold-clamping machine
US-2024149514-A1 · May 9, 2024 · US
Clamping apparatus of injection molding machine
US-11951665-B2 · Apr 9, 2024 · US
Mold clamping device and injection molding machine
US-11926084-B2 · Mar 12, 2024 · US
Mold clamping apparatus provided with forceful mold opening mechanism
US-11890796-B2 · Feb 6, 2024 · US
Mold clamping device of injection molding machine and method of adjusting mold thickness of mold clamping device
US-11865756-B2 · Jan 9, 2024 · US
Molding machine
US-11780128-B2 · Oct 10, 2023 · US
Mold clamping device having a half nut and injection molding apparatus
US-11712829-B2 · Aug 1, 2023 · US
Hybrid core driving device and molding machine
US-2022347904-A1 · Nov 3, 2022 · US
Molding machine
US-2022297357-A1 · Sep 22, 2022 · US
Mold clamping device and injection molding machine
US-2022250298-A1 · Aug 11, 2022 · US
Mold clamping device
US-11338488-B2 · May 24, 2022 · US
Mold clamping device, injection molding machine, mold thickness adjusting device, and mold thickness adjusting method
US-2022080639-A1 · Mar 17, 2022 · US
Mold-clamping machine
US-2022063164-A1 · Mar 3, 2022 · US
Clamping apparatus of injection molding machine
US-2022063165-A1 · Mar 3, 2022 · US
Mold clamping device
US-11117300-B2 · Sep 14, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B29C45/68?
- CPC B29C45/68 is the Cooperative Patent Classification code for “hydro-mechanical.”
- How many patents are filed under CPC B29C45/68 (hydro-mechanical)?
- Our database includes 39 publications tagged with this CPC code.
- Is patent activity under CPC B29C45/68 growing?
- Publication counts under this code: 6 in 2024 vs 3 in 2025 (latest complete years).