Signal-to-Noise Improvement in Fourier Transform Quadrupole Mass Spectrometer
US-2023290630-A1 · Sep 14, 2023 · US
Device types
Device types · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01J49/4205 |
| Official title | {Device types} |
| Display label | Device types |
| Total patents | 85 |
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 | 7 |
| 2017 | 13 |
| 2018 | 8 |
| 2019 | 11 |
| 2020 | 5 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 10 |
| 2024 | 4 |
| 2025 | 11 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Parallel multi-beam time-of-flight mass spectrometer
US-2022367163-A1 · Nov 17, 2022 · US
Synchronization of ion generation with cycling of a discontinuous atmospheric interface
US-2022199384-A9 · Jun 23, 2022 · US
Systems and methods for separating ions at about or above atmospheric pressure
US-2021265155-A1 · Aug 26, 2021 · US
Parallel multi-beam time-of-flight mass spectrometer
US-2021233753-A1 · Jul 29, 2021 · US
Systems and methods for separating ions at about or above atmospheric pressure
US-11037777-B2 · Jun 15, 2021 · US
Element analysis device and element analysis method
US-10978285-B2 · Apr 13, 2021 · US
Synchronization of ion generation with cycling of a discontinuous atmospheric interface
US-2020357620-A1 · Nov 12, 2020 · US
Systems and methods for separating ions at about or above atmospheric pressure
US-2020321208-A1 · Oct 8, 2020 · US
Synchronization of ion generation with cycling of a discontinuous atmospheric interface
US-10755910-B2 · Aug 25, 2020 · US
Systems and methods for separating ions at about or above atmospheric pressure
US-10727041-B2 · Jul 28, 2020 · US
Electrostatic Trap Mass Spectrometer With Improved Ion Injection
US-2020013601-A1 · Jan 9, 2020 · US
Reducing detector wear during calibration and tuning
US-10515789-B2 · Dec 24, 2019 · US
Ion guiding device
US-10515790-B2 · Dec 24, 2019 · US
Fourier transform mass spectrometer
US-10446384-B2 · Oct 15, 2019 · US
Electrostatic trap mass spectrometer with improved ion injection
US-10431442-B2 · Oct 1, 2019 · US
Mass spectrometer
US-10388500-B2 · Aug 20, 2019 · US
Synchronization of ion generation with cycling of a discontinuous atmospheric interface
US-10361073-B2 · Jul 23, 2019 · US
Element analysis device and element analysis method
US-2019206667-A1 · Jul 4, 2019 · US
Synchronization of ion generation with cycling of a discontinuous atmospheric interface
US-2019189415-A1 · Jun 20, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01J49/4205?
- CPC H01J49/4205 is the Cooperative Patent Classification code for “Device types.”
- How many patents are filed under CPC H01J49/4205 (Device types)?
- Our database includes 85 publications tagged with this CPC code.
- Is patent activity under CPC H01J49/4205 growing?
- Publication counts under this code: 4 in 2024 vs 11 in 2025 (latest complete years).