Foldable hand-held tool
US-RE50553-E · Aug 26, 2025 · US
by a spring tongue snapping behind or into the tang of the blade from a side part of the handle
by a spring tongue snapping behind or into the tang of the blade from a side part of the handle · 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 | B26B1/044 |
| Official title | {by a spring tongue snapping behind or into the tang of the blade from a side part of the handle} |
| Display label | by a spring tongue snapping behind or into the tang of the blade from a side part of the handle |
| Total patents | 45 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 5 |
| 2017 | 4 |
| 2018 | 6 |
| 2019 | 1 |
| 2020 | 8 |
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 5 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Folding knife
US-12233562-B2 · Feb 25, 2025 · US
Knife with lock and release
US-2024383161-A1 · Nov 21, 2024 · US
Knife
US-2024308092-A1 · Sep 19, 2024 · US
Knife
US-12023819-B2 · Jul 2, 2024 · US
Tool with replaceable component
US-11999073-B2 · Jun 4, 2024 · US
Folding knife with integrated space saving compression lock and actuator
US-2024139976-A1 · May 2, 2024 · US
Folding knife
US-11772287-B1 · Oct 3, 2023 · US
Knife
US-2023146556-A1 · May 11, 2023 · US
Folding knife
US-11633867-B1 · Apr 25, 2023 · US
Knife
US-11548174-B2 · Jan 10, 2023 · US
Folding knife
US-11453133-B2 · Sep 27, 2022 · US
Tool with Replaceable Component
US-2022126463-A1 · Apr 28, 2022 · US
Power-assisted folding knife
US-11292141-B2 · Apr 5, 2022 · US
Folding knife
US-2021331335-A1 · Oct 28, 2021 · US
Knife
US-2021331336-A1 · Oct 28, 2021 · US
Knife
US-11052549-B2 · Jul 6, 2021 · US
Folding knife
US-11052551-B2 · Jul 6, 2021 · US
Power-assisted folding knife
US-10870210-B2 · Dec 22, 2020 · US
Folding knife
US-2020368925-A1 · Nov 26, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B26B1/044?
- CPC B26B1/044 is the Cooperative Patent Classification code for “by a spring tongue snapping behind or into the tang of the blade from a side part of the handle.”
- How many patents are filed under CPC B26B1/044 (by a spring tongue snapping behind or into the tang of the blade from a side part of the handle)?
- Our database includes 45 publications tagged with this CPC code.
- Is patent activity under CPC B26B1/044 growing?
- Publication counts under this code: 5 in 2024 vs 2 in 2025 (latest complete years).