H01J 49/425
With a logarithmic radial electric potential
Official title: {with a logarithmic radial electric potential, e.g. orbitraps}
H01J49/425 (With a logarithmic radial electric potential) appears on 108 US grants and 121 published applications in this corpus.
Search patents in H01J- Granted patents
- 108
- Published applications
- 121
- Assignees
- 30
- Inventors
- 142
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 2 |
| 2006 | 2 | 1 |
| 2007 | 1 | 2 |
| 2008 | 2 | 4 |
| 2009 | 0 | 2 |
| 2010 | 5 | 4 |
| 2011 | 2 | 3 |
| 2012 | 2 | 2 |
| 2013 | 7 | 10 |
| 2014 | 7 | 9 |
| 2015 | 10 | 7 |
| 2016 | 10 | 8 |
| 2017 | 8 | 9 |
| 2018 | 7 | 8 |
| 2019 | 4 | 5 |
| 2020 | 10 | 6 |
| 2021 | 5 | 9 |
| 2022 | 8 | 8 |
| 2023 | 6 | 1 |
| 2024 | 3 | 6 |
| 2025 | 3 | 8 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Affinity chromatography-coupled native mass spectrometry for antibody analysis27 Jan 2026US 12,535,490 B2Regeneron Pharmaceuticals, Inc.
- Electrostatic ion trap configuration12 Aug 2025US 12,387,925 B2California Institute of Technology
- Improved spectrometer or imaging assembly1 Oct 2026US 2026/0299058 A1Npl Management Limited
- 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
- System and method for determining ion charge and frequency in a charge detection mass spectrometer3 Sep 2026US 2026/0260864 A1The Trustees of Indiana University
- Charge state evaluation6 Aug 2026US 2026/0229473 A1Thermo Fisher Scientific (Bremen) GmbH
Most cited
By later US patents
- Mass spectrometer89US 5,886,346 AHD Technologies Limited · 1999
- Mass spectrometry method and apparatus74US 6,872,938 B2Thermo Finnigan LLC · 2005
- Constraining arcuate divergence in an ion mirror mass analyser28US 9,196,469 B2Thermo Fisher Scientific (Bremen) GmbH · 2015
- Mass spectrometry method and apparatus24US 6,995,364 B2Thermo Finnigan LLC · 2006
- Parallel mass analysis24US 7,985,950 B2Thermo Fisher Scientific (Bremen) GmbH · 2011