H01J 49/4245
Electrostatic ion traps
Official title: {Electrostatic ion traps (H01J49/422 takes precedence)}
H01J49/4245 (Electrostatic ion traps) appears on 235 US grants and 271 published applications in this corpus.
Search patents in H01J- Granted patents
- 235
- Published applications
- 271
- Assignees
- 61
- Inventors
- 268
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 2 | 2 |
| 2006 | 2 | 1 |
| 2007 | 1 | 3 |
| 2008 | 2 | 5 |
| 2009 | 1 | 4 |
| 2010 | 5 | 6 |
| 2011 | 4 | 6 |
| 2012 | 6 | 6 |
| 2013 | 8 | 16 |
| 2014 | 11 | 17 |
| 2015 | 17 | 16 |
| 2016 | 20 | 21 |
| 2017 | 22 | 24 |
| 2018 | 20 | 14 |
| 2019 | 15 | 13 |
| 2020 | 15 | 16 |
| 2021 | 15 | 18 |
| 2022 | 15 | 21 |
| 2023 | 16 | 13 |
| 2024 | 13 | 20 |
| 2025 | 9 | 16 |
| 2026 | 13 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Charge detection mass spectrometry using multiple accumulation events22 Sep 2026US 12,742,754 B2Thermo Finnigan LLC
- Method of optimizing geometric and electrostatic parameters of an electrostatic linear ion trap (ELIT)8 Sep 2026US 12,731,775 B2The Trustees of Indiana University
- Methods for performing charge detection mass spectrometry with temporal resolution1 Sep 2026US 12,725,770 B2Thermo Finnigan LLC
- Mass spectrometry with time-offset electrospray ion beams25 Aug 2026US 12,719,037 B2Trace Matters Scientific LLC
- Radially segmented ion guide and example applications thereof18 Aug 2026US 12,712,171 B2The Trustees of Indiana University
- Improved spectrometer or imaging assembly1 Oct 2026US 2026/0299058 A1Npl Management Limited
- Mass spectrometer and method1 Oct 2026US 2026/0302150 A1Truemass Ltd
- Method of mass spectrometry for the detection of perfluoroalkyl or polyfluoroalkyl substances (pfas)24 Sep 2026US 2026/0287565 A1Thermo Fisher Scientific (Bremen) GmbH
- Methods for determining kinetic energy loss in charge detection mass spectrometry24 Sep 2026US 2026/0290773 A1Thermo Finnigan LLC
- Mass spectrometer and method10 Sep 2026US 2026/0269207 A1Truemass Ltd
Most cited
By later US patents
- Electrostatic ion trap mass spectrometers117US 6,888,130 B12005
- Mass spectrometer89US 5,886,346 AHD Technologies Limited · 1999
- Gated charged-particle trap77US 5,880,466 AThe Regents of the University of California · 1999
- Ion trapping74US 6,744,042 B2Yeda Research and Development Co. Ltd. · 2004
- Mass spectrometry method and apparatus74US 6,872,938 B2Thermo Finnigan LLC · 2005