H01J 49/062
Ion guides
Official title: {Ion guides (linear ion traps performing mass selection H01J49/4225, mass filters H01J49/421)}
H01J49/062 (Ion guides) appears on 919 US grants and 995 published applications in this corpus.
Search patents in H01J- Granted patents
- 919
- Published applications
- 995
- Assignees
- 194
- Inventors
- 899
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 9 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 8 |
| 2002 | 6 | 14 |
| 2003 | 20 | 13 |
| 2004 | 25 | 27 |
| 2005 | 18 | 26 |
| 2006 | 19 | 18 |
| 2007 | 20 | 15 |
| 2008 | 20 | 19 |
| 2009 | 15 | 36 |
| 2010 | 18 | 28 |
| 2011 | 23 | 40 |
| 2012 | 24 | 17 |
| 2013 | 40 | 38 |
| 2014 | 47 | 63 |
| 2015 | 61 | 54 |
| 2016 | 53 | 63 |
| 2017 | 50 | 54 |
| 2018 | 63 | 51 |
| 2019 | 54 | 60 |
| 2020 | 60 | 69 |
| 2021 | 53 | 60 |
| 2022 | 51 | 45 |
| 2023 | 40 | 44 |
| 2024 | 37 | 57 |
| 2025 | 43 | 42 |
| 2026 | 19 | 34 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Mass spectral encoding6 Oct 2026US 12,755,953 B2Micromass UK Limited
- Method and systems for analyzing ions using differential mobility spectrometry and ion guide comprising additional auxiliary electrodes8 Sep 2026US 12,730,091 B2DH Technologies Development Pte. Ltd.
- High-voltage RF generator for ion optics1 Sep 2026US 12,725,775 B2Thermo Fisher Scientific (Bremen) GmbH
- System for production of high yield of ions in RF only confinement field for use in mass spectrometry25 Aug 2026US 12,719,041 B2Quad Mass Corp.
- Ion mobility spectrometry devices having high capacity regions for ion accumulation prior to intermittent mass analysis and methods therefor18 Aug 2026US 12,712,170 B2MOBILion Systems, Inc.
- Methods for cleaning an ion transport system8 Oct 2026US 2026/0311949 A1Thermo Finnigan LLC
- Method and apparatus8 Oct 2026US 2026/0311986 A1Bruker Switzerland AG
- Beam Homogenization for Trapped Ion Processing with Discrete Ion Packets8 Oct 2026US 2026/0311987 A1DH Technologies Development Pte. Ltd.
- Ion guide, and mass spectrometry device provided with same24 Sep 2026US 2026/0290777 A1Hitachi High-Tech Corporation
- Systems and methods for mass spectrometry17 Sep 2026US 2026/0279753 A1Peninsula Technologies, LLC
Most cited
By later US patents
- Method and apparatus for directing ions and other charged particles generated at near atmospheric pressures into a region under vacuum291US 6,107,628 ABattelle Memorial Institute · 2000
- Method and device for the reflection of charged particles on surfaces154US 5,572,035 ABruker-Franzen Analytik GmbH · 1996
- Mass spectrometer and method and improved ion transmission135US 4,963,736 AMDS Health Group Limited · 1990
- Ionization source utilizing a jet disturber in combination with an ion funnel and method of operation132US 6,583,408 B2Battelle Memorial Institute · 2003
- Mass spectrometry with multipole ion guides129US 6,753,523 B1Analytica of Branford, Inc. · 2004