Bridge PFA biphasic generator for electroporation using finite energy transfer
US-12502215-B2 · Dec 23, 2025 · US
the switching device being a spark gap
the switching device being a spark gap · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03K3/537 |
| Official title | the switching device being a spark gap |
| Display label | the switching device being a spark gap |
| Total patents | 27 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 5 |
| 2017 | 4 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 2 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Self-induced high voltage trigger
US-12119621-B1 · Oct 15, 2024 · US
Bridge pfa biphasic generator for electroporation using finite energy transfer
US-2023389984-A1 · Dec 7, 2023 · US
High-voltage triggered pulsecloser with adaptive circuit testing
US-2023051143-A1 · Feb 16, 2023 · US
Triggerable spark gap, switching circuit having a triggerable spark gap, and process for manufacturing a triggerable spark gap
US-11431154-B2 · Aug 30, 2022 · US
Pulse power generating device
US-11235383-B2 · Feb 1, 2022 · US
Triggerable Spark Gap, Switching Circuit Having a Triggerable Spark Gap, and Process for Manufacturing a Triggerable Spark Gap
US-2020287357-A1 · Sep 10, 2020 · US
Pulse power generating device
US-2020180020-A1 · Jun 11, 2020 · US
High-voltage pulse generator
US-10396764-B2 · Aug 27, 2019 · US
Compact subnanosecond high voltage pulse generation system for cell electro-manipulation
US-10301587-B2 · May 28, 2019 · US
Spark gap circuit
US-2019120144-A1 · Apr 25, 2019 · US
Rf transmitter and method of manufacture thereof
US-2018336995-A1 · Nov 22, 2018 · US
RF transmitter and method of manufacture thereof
US-10134521-B1 · Nov 20, 2018 · US
High-voltage pulse generator
US-2018048299-A1 · Feb 15, 2018 · US
High voltage explosive assembly for downhole detonations
US-9851191-B2 · Dec 26, 2017 · US
Detection and detonation of improvised explosive device with magnetic fields
US-9683817-B1 · Jun 20, 2017 · US
High voltage pulse generator
US-9660619-B2 · May 23, 2017 · US
Compact subnanosecond high voltage pulse generation system for cell electro-manipulation
US-2017096630-A1 · Apr 6, 2017 · US
Compact subnanosecond high voltage pulse generation system for cell electro-manipulation
US-9493765-B2 · Nov 15, 2016 · US
Apparatus and method for generating high-voltage pulses
US-2016156339-A1 · Jun 2, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03K3/537?
- CPC H03K3/537 is the Cooperative Patent Classification code for “the switching device being a spark gap.”
- How many patents are filed under CPC H03K3/537 (the switching device being a spark gap)?
- Our database includes 27 publications tagged with this CPC code.
- Is patent activity under CPC H03K3/537 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).