High-temperature component
US-12227829-B2 · Feb 18, 2025 · US
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with alkaline-earth metal oxides, or such oxides used in conjunction with reducing agents, as an emissive material
with alkaline-earth metal oxides, or such oxides used in conjunction with reducing agents, as an emissive material · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01J1/142 |
| Official title | with alkaline-earth metal oxides, or such oxides used in conjunction with reducing agents, as an emissive material |
| Display label | with alkaline-earth metal oxides, or such oxides used in conjunction with reducing agents, as an emissive material |
| Total patents | 15 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 3 |
| 2023 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
High-temperature component
US-2023235442-A1 · Jul 27, 2023 · US
Thermionic emission device and method for making the same
US-11195686-B2 · Dec 7, 2021 · US
Thermionic tungsten/scandate cathodes and method of making the same
US-11075049-B2 · Jul 27, 2021 · US
Thermionic emission device and method for making the same
US-2021217572-A1 · Jul 15, 2021 · US
Method of fabricating tungsten scandate nano-composite powder for cathodes
US-10714292-B2 · Jul 14, 2020 · US
Thermionic cathode with a graphene sealing layer and method of making the same
US-10679816-B1 · Jun 9, 2020 · US
Thermionic Tungsten/Scandate Cathodes and Method of Making The Same
US-2020043691-A1 · Feb 6, 2020 · US
Thermionic tungsten/scandate cathodes and methods of making the same
US-10497530-B2 · Dec 3, 2019 · US
Simplified formation process of a low work function insert
US-10002738-B1 · Jun 19, 2018 · US
Target for barium-scandate dispenser cathode
US-2018158639-A1 · Jun 7, 2018 · US
Method of fabricating tungsten scandate nano-composite powder for cathodes
US-2017358419-A1 · Dec 14, 2017 · US
Carburized lutetium oxide doped molybdenum cathode and its fabrication method
US-9646796-B1 · May 9, 2017 · US
Thermionic Tungsten/Scandate Cathodes and Methods of Making the Same
US-2016300684-A1 · Oct 13, 2016 · US
Impregnated yttric or gadolinium-containing Barium-aluminum-scandate cathodes and their fabrication methods
US-9349561-B2 · May 24, 2016 · US