A method of determining operational parameters of a spectrometer, a mass spectrometer and computer software configured to perform the method
US-2025062110-A1 · Feb 20, 2025 · US
Static spectrometers
Static spectrometers · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01J49/28 |
| Official title | Static spectrometers |
| Display label | Static spectrometers |
| Total patents | 27 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 5 |
| 2021 | 5 |
| 2022 | 2 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Apparatus and method
US-2024014022-A1 · Jan 11, 2024 · US
Imaging device with gated integrator
US-11531011-B1 · Dec 20, 2022 · US
Mobility and mass measurement using time-varying electric fields
US-11532473-B2 · Dec 20, 2022 · US
Zircon ID-TIMS Pb isotope determination method using multiple ion counters with dynamic multi-collection protocol
US-11127579-B2 · Sep 21, 2021 · US
Multi-gate multi-frequency filter for ion mobility isolation
US-2021285913-A1 · Sep 16, 2021 · US
Methods and devices for detecting mercury isotopes in natural gas
US-11119084-B2 · Sep 14, 2021 · US
Cleanliness monitor and a method for monitoring a cleanliness of a vacuum chamber
US-11049704-B1 · Jun 29, 2021 · US
Data directed DESI-MS imaging
US-11031230-B2 · Jun 8, 2021 · US
Multi detector mass spectrometer and spectrometry method filter
US-10867780-B2 · Dec 15, 2020 · US
Zircon ID-TIMS Pb isotope determination method using multiple ion counters with dynamic multi-collection protocol
US-2020335319-A1 · Oct 22, 2020 · US
Mobility and mass measurement using time-varying electric fields
US-2020161119-A1 · May 21, 2020 · US
Methods and devices for detecting mercury isotopes in natural gas
US-2020132648-A1 · Apr 30, 2020 · US
Floating magnet for a mass spectrometer
US-10580635-B2 · Mar 3, 2020 · US
Data directed desi-ms imaging
US-2019304768-A1 · Oct 3, 2019 · US
Floating Magnet For A Mass Spectrometer
US-2019057853-A1 · Feb 21, 2019 · US
Apparatus and method for static gas mass spectrometry
US-10192729-B2 · Jan 29, 2019 · US
Multi detector mass spectrometer and spectrometry method filter
US-2018308674-A1 · Oct 25, 2018 · US
Apparatus and method for static gas mass spectrometry
US-2017352528-A1 · Dec 7, 2017 · US
Grouping Amplitudes of TOF Extractions to Detect Convolution Due to Resolution Saturation
US-2017250065-A1 · Aug 31, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01J49/28?
- CPC H01J49/28 is the Cooperative Patent Classification code for “Static spectrometers.”
- How many patents are filed under CPC H01J49/28 (Static spectrometers)?
- Our database includes 27 publications tagged with this CPC code.
- Is patent activity under CPC H01J49/28 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).