Machining method, application tool, and machining arrangement for modifying or repairing a surface spot of a workpiece surface of a fiber composite workpiece
US-2020298511-A1 · Sep 24, 2020 · US
using preformed elements
using preformed elements · 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 | B29C73/04 |
| Official title | using preformed elements |
| Display label | using preformed elements |
| Total patents | 143 |
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 | 7 |
| 2017 | 9 |
| 2018 | 12 |
| 2019 | 21 |
| 2020 | 21 |
| 2021 | 17 |
| 2022 | 11 |
| 2023 | 13 |
| 2024 | 14 |
| 2025 | 13 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods for repairing composite cylinders
US-10737986-B2 · Aug 11, 2020 · US
Methods of customizing, manufacturing, and repairing a rotor blade using additive manufacturing processes and a rotor blade incorporating the same
US-2020217206-A1 · Jul 9, 2020 · US
Method for protecting a fastener joint
US-2020171714-A1 · Jun 4, 2020 · US
Methods of customizing, manufacturing, and repairing a rotor blade using additive manufacturing processes
US-10633976-B2 · Apr 28, 2020 · US
Geodesic composite structures
US-10633084-B2 · Apr 28, 2020 · US
Repair concept comprising pre-impregnated pinned foam core for sandwich structural components
US-10611102-B2 · Apr 7, 2020 · US
Injection method and device for connecting and repairing a shear web
US-10544776-B2 · Jan 28, 2020 · US
Composite Component Void Repair
US-2019366656-A1 · Dec 5, 2019 · US
Methods and systems for repairing wind turbine blades
US-2019338759-A1 · Nov 7, 2019 · US
Method of forming an acoustic bond panel with insertable acoustic assemblies
US-2019291367-A9 · Sep 26, 2019 · US
Pipeline repair
US-2019257464-A1 · Aug 22, 2019 · US
Asymmetrical fabrics composition for winding applications in pipe relining
US-2019249813-A1 · Aug 15, 2019 · US
Method for repairing a composite stringer with a composite repair cap
US-2019210308-A1 · Jul 11, 2019 · US
Tire repair method
US-2019193347-A1 · Jun 27, 2019 · US
Pipeline repair
US-10330236-B2 · Jun 25, 2019 · US
Composite repair kit
US-2019177007-A1 · Jun 13, 2019 · US
Asymmetrical fabrics composition for winding applications in pipe relining
US-10309573-B2 · Jun 4, 2019 · US
System for analysis of a repair for a structure
US-10275564-B2 · Apr 30, 2019 · US
Method of repairing wind turbine blade
US-2019111528-A1 · Apr 18, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B29C73/04?
- CPC B29C73/04 is the Cooperative Patent Classification code for “using preformed elements.”
- How many patents are filed under CPC B29C73/04 (using preformed elements)?
- Our database includes 143 publications tagged with this CPC code.
- Is patent activity under CPC B29C73/04 growing?
- Publication counts under this code: 14 in 2024 vs 13 in 2025 (latest complete years).