Operating a filament of an x-ray tube
US-2025056702-A1 · Feb 13, 2025 · US
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specially designed for passing a very high current for a very short time, e.g. for flash operation
specially designed for passing a very high current for a very short time, e.g. for flash operation · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01J35/22 |
| Official title | specially designed for passing a very high current for a very short time, e.g. for flash operation |
| Display label | specially designed for passing a very high current for a very short time, e.g. for flash operation |
| Total patents | 17 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 2 |
| 2017 | 3 |
| 2020 | 1 |
| 2021 | 2 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
High dose rate radiotherapy, system and method
US-2024285977-A1 · Aug 29, 2024 · US
High dose rate radiotherapy, system and method
US-12005274-B2 · Jun 11, 2024 · US
High dose rate radiotherapy, system and method
US-2023293909-A1 · Sep 21, 2023 · US
Planar Transformer for an X-Ray Source
US-2021319972-A1 · Oct 14, 2021 · US
Compact tunable x-ray source based on laser-plasma driven betatron emission
US-11000245-B2 · May 11, 2021 · US
Compact tunable x-ray source based on laser-plasma driven betatron emission
US-2020085388-A1 · Mar 19, 2020 · US
Spark gap comprising a capacitive energy store
US-9825434-B2 · Nov 21, 2017 · US
X-ray source and the use thereof and method for producing X-rays
US-9761405-B2 · Sep 12, 2017 · US
Spark gap
US-9679737-B2 · Jun 13, 2017 · US
High temperature secondary torque retention for bolted assemblies
US-9494181-B2 · Nov 15, 2016 · US
Electromechanical x-ray generator
US-9330878-B2 · May 3, 2016 · US
Electromechanical x-ray generator
US-2015371806-A1 · Dec 24, 2015 · US
Spark gap
US-2015187539-A1 · Jul 2, 2015 · US
High temperature secondary torque retention for bolted assemblies
US-2015167724-A1 · Jun 18, 2015 · US
X-ray source and the use thereof and method for producing x-rays
US-2015170869-A1 · Jun 18, 2015 · US
Compact X-ray source
US-8995621-B2 · Mar 31, 2015 · US