Surface ion trap having a trapping location whose position is controllable in three dimensions with high precision
US-10510523-B2 · Dec 17, 2019 · US
Methods for controlling ions
Methods for controlling ions · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01J49/426 |
| Official title | {Methods for controlling ions} |
| Display label | Methods for controlling ions |
| Total patents | 209 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 12 |
| 2017 | 14 |
| 2018 | 12 |
| 2019 | 22 |
| 2020 | 20 |
| 2021 | 29 |
| 2022 | 26 |
| 2023 | 23 |
| 2024 | 24 |
| 2025 | 17 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Trapped ion mobility spectrometer with high ion storage capacity
US-10458944-B2 · Oct 29, 2019 · US
Methods for operating electrostatic trap mass analyzers
US-10424475-B2 · Sep 24, 2019 · US
Sample Preparation Apparatus and Method for Elemental Analysis Spectrometer
US-2019272987-A1 · Sep 5, 2019 · US
Mass spectrometric determination of fatty acids
US-2019221413-A1 · Jul 18, 2019 · US
Combined mass-to-charge ratio and charge state selection in tandem mass spectrometry
US-10319577-B2 · Jun 11, 2019 · US
Ion traps that apply an inverse mathieu q scan
US-2019057856-A1 · Feb 21, 2019 · US
Surface Ion Trap Having A Trapping Location Whose Position is Controllable in Three Dimensions with High Precision
US-2019057855-A1 · Feb 21, 2019 · US
Tuning multipole RF amplitude for ions not present in calibrant
US-10204776-B1 · Feb 12, 2019 · US
Systems and methods for isolating a target ion in an ion trap
US-2019043706-A1 · Feb 7, 2019 · US
Tuning multipole rf amplitude for ions not present in calibrant
US-2019035617-A1 · Jan 31, 2019 · US
Method and apparatus for injection of ions into an electrostatic ion trap
US-10170292-B2 · Jan 1, 2019 · US
Identification and removal of chemical noise for improved MS and MS/MS analysis
US-10163619-B2 · Dec 25, 2018 · US
Method for examining a gas by mass spectrometry and mass spectrometer
US-10141174-B2 · Nov 27, 2018 · US
Tandem mass spectrometer
US-2018284065-A1 · Oct 4, 2018 · US
Tuning multipole RF amplitude for ions not present in calibrant
US-10056244-B1 · Aug 21, 2018 · US
High duty cycle ion spectrometer
US-10043648-B2 · Aug 7, 2018 · US
Multi-reflecting tof mass spectrometer
US-2018144921-A1 · May 24, 2018 · US
Quadrupole robustness
US-9941106-B2 · Apr 10, 2018 · US
Sample Preparation Apparatus and Method for Elemental Analysis Spectrometer
US-2018076013-A1 · Mar 15, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01J49/426?
- CPC H01J49/426 is the Cooperative Patent Classification code for “Methods for controlling ions.”
- How many patents are filed under CPC H01J49/426 (Methods for controlling ions)?
- Our database includes 209 publications tagged with this CPC code.
- Is patent activity under CPC H01J49/426 growing?
- Publication counts under this code: 24 in 2024 vs 17 in 2025 (latest complete years).