Extruder systems and processes for production of petroleum coke and mesophase pitch
US-11959022-B2 · Apr 16, 2024 · US
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for manufacturing filaments from pitch
for manufacturing filaments from pitch · Cooperative Patent Classification (CPC)
Textile and paper production, treatment, and products.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | D01F9/322 |
| Official title | {for manufacturing filaments from pitch} |
| Display label | for manufacturing filaments from pitch |
| Total patents | 12 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 3 |
| 2018 | 1 |
| 2020 | 2 |
| 2021 | 1 |
| 2023 | 3 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pitch Compositions For Spinning Into Carbon Articles And Methods Relating Thereto
US-2023416949-A1 · Dec 28, 2023 · US
Extruder systems and processes for production of petroleum coke and mesophase pitch
US-2023159828-A1 · May 25, 2023 · US
Method for manufacturing high yield mesophase pitch and high yield mesophase pitch manufactured therefrom
US-2023002680-A1 · Jan 5, 2023 · US
Flexible pyrolysis system and method
US-2021047568-A1 · Feb 18, 2021 · US
Flexible pyrolysis system and method
US-10787610-B2 · Sep 29, 2020 · US
Apparatus for manufacturing carbon fiber by using microwaves
US-2020056306-A1 · Feb 20, 2020 · US
Flexible pyrolysis system and method
US-2018291275-A1 · Oct 11, 2018 · US
Fiber oxidation oven with multiple independently controllable heating systems
US-9809909-B2 · Nov 7, 2017 · US
Fiber oxidation oven with multiple independently controllable heating systems
US-2017107646-A1 · Apr 20, 2017 · US
Fiber oxidation oven with multiple independently controllable heating systems
US-9598795-B2 · Mar 21, 2017 · US
Apparatus for producing pitch-based chopped carbon fiber and producing method of the chopped fiber
US-2015376816-A1 · Dec 31, 2015 · US