Microchannel chip and method for producing the same
US-2025339854-A1 · Nov 6, 2025 · US
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Hardness
Hardness · 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 | B29C66/73151 |
| Official title | {Hardness} |
| Display label | Hardness |
| Total patents | 20 |
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 | 2 |
| 2016 | 1 |
| 2017 | 2 |
| 2019 | 4 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 3 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Laser welding apparatus and laser processing device
US-11717920-B2 · Aug 8, 2023 · US
Methods and formulations for bonding dissimilar materials
US-2023104319-A1 · Apr 6, 2023 · US
Methods and formulations for bonding dissimilar materials
US-11541649-B2 · Jan 3, 2023 · US
Laser welding apparatus and laser processing device
US-2022080537-A1 · Mar 17, 2022 · US
Ultrasonic welding and welding horn having indenter
US-11141925-B2 · Oct 12, 2021 · US
Tire and method of fixing porous body
US-2021146735-A1 · May 20, 2021 · US
Ultrasonic welding and welding horn having indenter
US-2021129453-A1 · May 6, 2021 · US
Earplus assembly and method for forming the same
US-2020390608-A1 · Dec 17, 2020 · US
Plasticity induced bonding
US-10703048-B2 · Jul 7, 2020 · US
Methods and formulations for bonding dissimilar materials
US-2020086620-A1 · Mar 19, 2020 · US
Thermoplastic planks and methods for making the same
US-10486399-B2 · Nov 26, 2019 · US
Multilayer Composites and Apparatuses and Methods for Their Making
US-2019291400-A1 · Sep 26, 2019 · US
Plasticity induced bonding
US-2019134916-A1 · May 9, 2019 · US
Plasticity induced bonding
US-10213960-B2 · Feb 26, 2019 · US
Method of fixation for a mechanical dowel
US-9688019-B2 · Jun 27, 2017 · US
Plasticity induced bonding
US-2017080637-A1 · Mar 23, 2017 · US
Thermoplastic planks and methods for making the same
US-2016052245-A1 · Feb 25, 2016 · US
Thermoplastic planks and methods for making the same
US-2015225964-A1 · Aug 13, 2015 · US
Method of adhering hard silicone resin, method of adhering substrate having fine structure, and preparation method of micro fluidic device utilizing adhesion method
US-8956494-B2 · Feb 17, 2015 · US