Light emitting plasma lamp bulb for solar UV simulation and lamp comprising the same
US-12586772-B2 · Mar 24, 2026 · US
the field being produced by a separate microwave unit
the field being produced by a separate microwave unit · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01J65/044 |
| Official title | {the field being produced by a separate microwave unit} |
| Display label | the field being produced by a separate microwave unit |
| Total patents | 49 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 10 |
| 2017 | 5 |
| 2018 | 2 |
| 2019 | 5 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 4 |
| 2024 | 4 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Radio frequency screen for an ultraviolet lamp system
US-12381068-B2 · Aug 5, 2025 · US
Lighting device using microwave radiation
US-2025235575-A1 · Jul 24, 2025 · US
Microwave excitation light-source device
US-12354866-B2 · Jul 8, 2025 · US
Microwave excitation light-source device
US-2025132143-A1 · Apr 24, 2025 · US
Microwave-excited light source device
US-12230493-B2 · Feb 18, 2025 · US
Microwave-excited light source device
US-2024412968-A1 · Dec 12, 2024 · US
Radio frequency screen for an ultraviolet lamp system
US-2024304426-A1 · Sep 12, 2024 · US
Radio frequency screen for an ultraviolet lamp system
US-12020910-B2 · Jun 25, 2024 · US
Light emitting plasma lamp bulb for solar uv simulation and lamp comprising the same
US-2024063011-A1 · Feb 22, 2024 · US
Photoreactor and source for generating uv and vuv
US-2023360902-A1 · Nov 9, 2023 · US
Radio frequency screen for an ultraviolet lamp system
US-2023260764-A1 · Aug 17, 2023 · US
Semiconductor reaction chamber
US-2023230803-A1 · Jul 20, 2023 · US
Radio frequency screen for an ultraviolet lamp system
US-11670491-B2 · Jun 6, 2023 · US
Purification apparatus with electrodeless bulb and methods of operation
US-11299405-B2 · Apr 12, 2022 · US
Radio frequency screen for an ultraviolet lamp system
US-2022020573-A1 · Jan 20, 2022 · US
Microwave excited ultraviolet lamp system with data logging and retrieval circuit and method
US-11011368-B2 · May 18, 2021 · US
Extended microwave powered lamp
US-10879059-B2 · Dec 29, 2020 · US
Electrodeless lamp system and methods of operation
US-10475636-B2 · Nov 12, 2019 · US
Microwave powered lamp with optimized cooling for different bulb chemistries
US-10410819-B2 · Sep 10, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01J65/044?
- CPC H01J65/044 is the Cooperative Patent Classification code for “the field being produced by a separate microwave unit.”
- How many patents are filed under CPC H01J65/044 (the field being produced by a separate microwave unit)?
- Our database includes 49 publications tagged with this CPC code.
- Is patent activity under CPC H01J65/044 growing?
- Publication counts under this code: 4 in 2024 vs 5 in 2025 (latest complete years).