Masterbatch, preform, blow-molded bottle, beverage product, film, method for producing preform, and method for producing blow-molded bottle
US-2025066600-A1 · Feb 27, 2025 · US
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PI, i.e. polyimides or derivatives thereof
PI, i.e. polyimides or derivatives thereof · 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 | B29K2879/08 |
| Official title | PI, i.e. polyimides or derivatives thereof |
| Display label | PI, i.e. polyimides or derivatives thereof |
| Total patents | 20 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 4 |
| 2020 | 2 |
| 2021 | 4 |
| 2022 | 4 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Composite mold insert for fabricating microstructured lenses
US-2024308161-A1 · Sep 19, 2024 · US
Isolation device in a heating and sealing system
US-12059864-B2 · Aug 13, 2024 · US
Protective packaging longitudinal heat sealer
US-11524475-B2 · Dec 13, 2022 · US
Imprinting tape, method of manufacture thereof and articles comprising the same
US-11465332-B2 · Oct 11, 2022 · US
Heating element for inflation and sealing system
US-11312520-B2 · Apr 26, 2022 · US
Heating device for a heating and sealing system
US-11305507-B2 · Apr 19, 2022 · US
Prism, prism production method, mold, and sensor chip
US-11156552-B2 · Oct 26, 2021 · US
Compression belt for inflation and sealing devices
US-11117697-B2 · Sep 14, 2021 · US
Impression chamber for additive manufacturing of high performance plastics
US-11084212-B2 · Aug 10, 2021 · US
Protective packaging longitudinal heat sealer
US-10967600-B2 · Apr 6, 2021 · US
Method for impregnating a fibrous substrate with a methacrylic mixture comprising a flame-retardant substance
US-10787388-B2 · Sep 29, 2020 · US
Coating soluble tooling inserts
US-10538019-B2 · Jan 21, 2020 · US
Heating device for a heating and sealing system
US-10518497-B2 · Dec 31, 2019 · US
Device and process for welding thermoplastic composite material parts
US-10369750-B2 · Aug 6, 2019 · US
Imprinting tape, method of manufacture thereof and articles comprising the same
US-2019202109-A1 · Jul 4, 2019 · US
Impression chamber for additive manufacturing of high performance plastics
US-2019184639-A1 · Jun 20, 2019 · US
Method for impregnating a fibrous substrate with a methacrylic mixture comprising a flame-retardant substance
US-2018179105-A1 · Jun 28, 2018 · US
Prism, Prism Production Method, Mold, And Sensor Chip
US-2017276604-A1 · Sep 28, 2017 · US
Coating Soluble Tooling Inserts
US-2016339612-A1 · Nov 24, 2016 · US