Sealed fastener cap and related method of manufacture
US-12546359-B2 · Feb 10, 2026 · US
Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins ({locking of screws, bolts or nuts F16B39/00;} seals G09F3/00)
Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins ({locking of screws, bolts or nuts F16B39/00;} seals G09F3/00) · 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 | F16B41/00 |
| Official title | Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins ({locking of screws, bolts or nuts F16B39/00;} seals G09F3/00) |
| Display label | Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins ({locking of screws, bolts or nuts F16B39/00;} seals G09F3/00) |
| Total patents | 53 |
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 | 2 |
| 2017 | 5 |
| 2018 | 1 |
| 2019 | 10 |
| 2020 | 7 |
| 2021 | 7 |
| 2022 | 3 |
| 2023 | 7 |
| 2024 | 2 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Captive fastener and method of assembling the same
US-2025320892-A1 · Oct 16, 2025 · US
Fixing device, fixing method, and communication device
US-12313212-B2 · May 27, 2025 · US
Sealed fastener cap and related method of manufacture
US-2025154976-A1 · May 15, 2025 · US
Sealed fastener cap and related method of manufacture
US-12228165-B2 · Feb 18, 2025 · US
Captive fastener and method of assembling the same
US-12203500-B2 · Jan 21, 2025 · US
Protective cap and fastening screw having protective cap mounted thereon
US-2024401631-A1 · Dec 5, 2024 · US
Ignition-suppressing devices for shielding fasteners, aircraft fuel tanks having fasteners shielded by ignition-suppressing devices, and methods of installing ignition-suppressing devices in aircraft fuel tanks
US-12024310-B2 · Jul 2, 2024 · US
Fastening assembly
US-11828317-B2 · Nov 28, 2023 · US
Sealed fastener cap and related method of manufacture
US-2023258221-A1 · Aug 17, 2023 · US
Fixing device, fixing method, and communication device
US-2023213141-A1 · Jul 6, 2023 · US
Method and system for retaining a fastener
US-11692584-B2 · Jul 4, 2023 · US
Sealed fastener cap and related method of manufacture
US-11674544-B2 · Jun 13, 2023 · US
Captive fastener and method of assembling the same
US-2023138689-A1 · May 4, 2023 · US
Centering screw for aligning two elements relative to each other, centering assembly
US-11572916-B2 · Feb 7, 2023 · US
Sealed fastener cap and related method of manufacture
US-2022333635-A1 · Oct 20, 2022 · US
Ignition-suppressing devices for shielding fasteners, aircraft fuel tanks having fasteners, shielded by ignition suppressing devices, and methods of installing ignition-suppressing devices in aircraft fuel tanks
US-2022324584-A1 · Oct 13, 2022 · US
Apparatus for assembling screws
US-2022307539-A1 · Sep 29, 2022 · US
Method of covering a portion of a fastener protruding from a surface
US-11149780-B2 · Oct 19, 2021 · US
Cap with sealant flow path
US-11125263-B2 · Sep 21, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16B41/00?
- CPC F16B41/00 is the Cooperative Patent Classification code for “Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins ({locking of screws, bolts or nuts F16B39/00;} seals G09F3/00).”
- How many patents are filed under CPC F16B41/00 (Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins ({locking of screws, bolts or nuts F16B39/00;} seals G09F3/00))?
- Our database includes 53 publications tagged with this CPC code.
- Is patent activity under CPC F16B41/00 growing?
- Publication counts under this code: 2 in 2024 vs 5 in 2025 (latest complete years).