Ladders, mechanisms and components for ladders, and related methods
US-12448844-B2 · Oct 21, 2025 · US
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Height adjustable supports for receiving both ladder feet
Height adjustable supports for receiving both ladder feet · Cooperative Patent Classification (CPC)
Building, mining, and civil engineering structures.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | E06C7/426 |
| Official title | {Height adjustable supports for receiving both ladder feet} |
| Display label | Height adjustable supports for receiving both ladder feet |
| Total patents | 17 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 7 |
| 2022 | 5 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Stepladder folding leg
US-2022316274-A1 · Oct 6, 2022 · US
Ladders, mechanisms and components for ladders, and related methods
US-2022298861-A1 · Sep 22, 2022 · US
Adjustment mechanisms, ladders incorporating same and related methods
US-11421475-B2 · Aug 23, 2022 · US
Stepladder folding leg
US-11391089-B2 · Jul 19, 2022 · US
Ladders, mechanisms and components for ladders, and related methods
US-11346154-B2 · May 31, 2022 · US
Step stabilizer leg and leg assembly
US-2020284095-A1 · Sep 10, 2020 · US
Adjustment mechanisms, ladders incorporating same and related methods
US-2020232277-A1 · Jul 23, 2020 · US
Ladder Leveler and Method
US-2020232279-A1 · Jul 23, 2020 · US
Ladders, mechanisms and components for ladders, and related methods
US-2020217136-A1 · Jul 9, 2020 · US
Stepladder folding leg
US-2020131850-A1 · Apr 30, 2020 · US
Ladder leveler and method
US-10612303-B2 · Apr 7, 2020 · US
Ladders, mechanisms and components for ladders, and related methods
US-10590702-B2 · Mar 17, 2020 · US
Adjustment mechanisms, ladders incorporating same and related methods
US-10487576-B2 · Nov 26, 2019 · US
Ladders, mechanisms and components for ladders, and related methods
US-2018094488-A1 · Apr 5, 2018 · US
Ladder Leveler and Method
US-2017335627-A1 · Nov 23, 2017 · US
Adjustment mechanisms, ladders incorporating same and related methods
US-2017254145-A1 · Sep 7, 2017 · US