Injection Molding of Crosslinking Polymers
US-2018361643-A1 · Dec 20, 2018 · US
using pressure difference, e.g. by injection or by vacuum
using pressure difference, e.g. by injection or by vacuum · 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 | B29C44/42 |
| Official title | using pressure difference, e.g. by injection or by vacuum |
| Display label | using pressure difference, e.g. by injection or by vacuum |
| Total patents | 293 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 8 |
| 2017 | 26 |
| 2018 | 20 |
| 2019 | 28 |
| 2020 | 29 |
| 2021 | 41 |
| 2022 | 34 |
| 2023 | 42 |
| 2024 | 29 |
| 2025 | 17 |
| 2026 | 11 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Manufacturing method for a car safety seat
US-2018334067-A1 · Nov 22, 2018 · US
Electrical component carrier as a stressed member of an electrical vehicle
US-2018333905-A1 · Nov 22, 2018 · US
Modified silicone resin foam
US-2018312653-A1 · Nov 1, 2018 · US
Shaving systems
US-2018290321-A1 · Oct 11, 2018 · US
Foamed resin molded article
US-2018272576-A1 · Sep 27, 2018 · US
Localized silicone heat shielding for extension dash panels
US-10077012-B2 · Sep 18, 2018 · US
Method for transporting expanded thermoplastic polymer particles
US-10065345-B2 · Sep 4, 2018 · US
Passenger compartment carpet assembly, and method for assembling such an assembly
US-2018236918-A1 · Aug 23, 2018 · US
Shaving systems
US-10022882-B2 · Jul 17, 2018 · US
Skin integral molded article and manufacturing method thereof
US-2018186044-A1 · Jul 5, 2018 · US
Production of polyisocyanurate foam panels
US-9987775-B2 · Jun 5, 2018 · US
Localized silicone heat shielding for extension dash panels
US-2018134236-A1 · May 17, 2018 · US
Foam compositions and uses thereof
US-2018094129-A1 · Apr 5, 2018 · US
Forming of foam upholstery for a motor vehicle seat element
US-2018072207-A1 · Mar 15, 2018 · US
Reflective articles comprising a micro-cellular structure and having improved reflectivity
US-2018067240-A1 · Mar 8, 2018 · US
Foam compositions and uses thereof
US-9879133-B2 · Jan 30, 2018 · US
Method for monitoring and controlling an injection molding process using a strain gauge
US-2018001530-A1 · Jan 4, 2018 · US
Molded rotatable base for a porous pad
US-9820561-B2 · Nov 21, 2017 · US
Method for molding foamed resin molded article, mold, and foamed resin molded article
US-2017305046-A1 · Oct 26, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B29C44/42?
- CPC B29C44/42 is the Cooperative Patent Classification code for “using pressure difference, e.g. by injection or by vacuum.”
- How many patents are filed under CPC B29C44/42 (using pressure difference, e.g. by injection or by vacuum)?
- Our database includes 293 publications tagged with this CPC code.
- Is patent activity under CPC B29C44/42 growing?
- Publication counts under this code: 29 in 2024 vs 17 in 2025 (latest complete years).