Fenestration unit with drainage passage from corner key and through cladding
US-11859441-B2 · Jan 2, 2024 · US
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Doors of the bellows type
Doors of the bellows type · Cooperative Patent Classification (CPC)
Building, mining, and civil engineering structures.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | E06B3/94 |
| Official title | Doors of the bellows type |
| Display label | Doors of the bellows type |
| Total patents | 3 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2023 | 1 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fenestration unit with drainage passage from corner key and through cladding
US-2023134444-A1 · May 4, 2023 · US
Connecting means comprising a hatch and a bellows
US-9605472-B2 · Mar 28, 2017 · US