Locking mechanism
US-11512511-B2 · Nov 29, 2022 · US
with a member penetrating the screw-threaded surface of at least one part, e.g. a pin, a wedge, cotter-pin, screw
with a member penetrating the screw-threaded surface of at least one part, e.g. a pin, a wedge, cotter-pin, screw · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F16B39/04 |
| Official title | with a member penetrating the screw-threaded surface of at least one part, e.g. a pin, a wedge, cotter-pin, screw |
| Display label | with a member penetrating the screw-threaded surface of at least one part, e.g. a pin, a wedge, cotter-pin, screw |
| Total patents | 78 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 8 |
| 2017 | 9 |
| 2018 | 8 |
| 2019 | 7 |
| 2020 | 12 |
| 2021 | 7 |
| 2022 | 8 |
| 2023 | 4 |
| 2024 | 5 |
| 2025 | 2 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Ceramic fastener assembly for high temperatures
US-11255370-B2 · Feb 22, 2022 · US
Locking fastener assembly with authentication based unlocking
US-2022048467-A1 · Feb 17, 2022 · US
Butterfly cotter pin
US-11098746-B2 · Aug 24, 2021 · US
Firearm end plate and anti-loose castle nut
US-11035634-B2 · Jun 15, 2021 · US
Multi-drilled fasteners
US-11028872-B2 · Jun 8, 2021 · US
Firearm End Plate And Anti-Loose Castle Nut
US-2021108871-A1 · Apr 15, 2021 · US
Ceramic fastener assembly for high temperatures
US-2021095711-A1 · Apr 1, 2021 · US
Threaded couplings with locking
US-10927879-B2 · Feb 23, 2021 · US
Threaded couplings with locking
US-10883531-B2 · Jan 5, 2021 · US
Pin Lock Fasteners
US-2020392978-A1 · Dec 17, 2020 · US
Firearm end plate and anti-loose castle nut
US-10794645-B2 · Oct 6, 2020 · US
Quickly adjustable fail-safe link bar assemblies especially useful for connecting structural components of an aircraft
US-2020307764-A1 · Oct 1, 2020 · US
Bolt provided with an anti-rotation device
US-2020232500-A1 · Jul 23, 2020 · US
Multi segment wind turbine blade joint bushing
US-2020224636-A1 · Jul 16, 2020 · US
Butterfly cotter pin
US-2020217352-A1 · Jul 9, 2020 · US
Mounting systems for mounting an element to a surface
US-10640193-B2 · May 5, 2020 · US
Monitoring system for mounting an element to an aircraft surface
US-10640194-B2 · May 5, 2020 · US
Locking mechanism
US-2020063474-A1 · Feb 27, 2020 · US
Threaded couplings with locking
US-2020056648-A1 · Feb 20, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16B39/04?
- CPC F16B39/04 is the Cooperative Patent Classification code for “with a member penetrating the screw-threaded surface of at least one part, e.g. a pin, a wedge, cotter-pin, screw.”
- How many patents are filed under CPC F16B39/04 (with a member penetrating the screw-threaded surface of at least one part, e.g. a pin, a wedge, cotter-pin, screw)?
- Our database includes 78 publications tagged with this CPC code.
- Is patent activity under CPC F16B39/04 growing?
- Publication counts under this code: 5 in 2024 vs 2 in 2025 (latest complete years).