Feather separation system and feather separation method, and method for producing recycled feathers
US-12303943-B2 · May 20, 2025 · US
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Treating materials to adapt them specially as upholstery filling
Treating materials to adapt them specially as upholstery filling · 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 | B68G3/00 |
| Official title | Treating materials to adapt them specially as upholstery filling |
| Display label | Treating materials to adapt them specially as upholstery filling |
| Total patents | 8 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be declining based on the most recent years.
| Year | Patents |
|---|---|
| 2018 | 4 |
| 2022 | 1 |
| 2023 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Mattress assembly including coil innerspring units, coil innerspring units, and processes for making the same
US-2023389713-A1 · Dec 7, 2023 · US
Feather separation system and feather separation method, and method for producing recycled feathers
US-2023347383-A1 · Nov 2, 2023 · US
Mattress panels including flame retardant fibers
US-11297954-B2 · Apr 12, 2022 · US
Thermal insulation filling material and preparation method thereof and thermal insulation product
US-2018371654-A1 · Dec 27, 2018 · US
Net-like structure
US-2018282924-A1 · Oct 4, 2018 · US
Mattress panels including flame retardant fibers
US-2018249843-A1 · Sep 6, 2018 · US
Net-like structure
US-2018177306-A1 · Jun 28, 2018 · US