H01J 49/063
Multipole ion guides
Official title: {Multipole ion guides, e.g. quadrupoles, hexapoles}
H01J49/063 (Multipole ion guides) appears on 393 US grants and 405 published applications in this corpus.
Search patents in H01J- Granted patents
- 393
- Published applications
- 405
- Assignees
- 101
- Inventors
- 497
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 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 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 5 |
| 2002 | 5 | 5 |
| 2003 | 13 | 6 |
| 2004 | 11 | 14 |
| 2005 | 8 | 10 |
| 2006 | 13 | 12 |
| 2007 | 15 | 7 |
| 2008 | 8 | 8 |
| 2009 | 9 | 10 |
| 2010 | 6 | 9 |
| 2011 | 5 | 13 |
| 2012 | 8 | 8 |
| 2013 | 15 | 16 |
| 2014 | 16 | 19 |
| 2015 | 22 | 25 |
| 2016 | 18 | 25 |
| 2017 | 15 | 20 |
| 2018 | 26 | 20 |
| 2019 | 24 | 20 |
| 2020 | 23 | 27 |
| 2021 | 22 | 27 |
| 2022 | 21 | 18 |
| 2023 | 16 | 24 |
| 2024 | 16 | 25 |
| 2025 | 19 | 12 |
| 2026 | 9 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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.
- Systems and methods for multistage mass spectrometry utilizing an electrostatic ion trap23 Jun 2026US 12,665,178 B2DH 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
- Systems and methods for multi-channel mass spectrometry17 Sep 2026US 2026/0279754 A1Peninsula Technologies, LLC
- Miniature multipole17 Sep 2026US 2026/0279755 A1Thermo Fisher Scientific (Bremen) GmbH
- Apparatus and method27 Aug 2026US 2026/0253857 A1Isotopx Ltd
Most cited
By later US patents
- Mass spectrometer and method and improved ion transmission135US 4,963,736 AMDS Health Group Limited · 1990
- Mass spectrometry with multipole ion guides129US 6,753,523 B1Analytica of Branford, Inc. · 2004
- Mass spectrometry with segmented RF multiple ion guides in various pressure regions127US 7,034,292 B1Analytica of Branford, Inc. · 2006
- Multipole ion guide for mass spectrometry126US 5,652,427 AAnalytica of Branford, Inc. · 1997
- Multipole ion guide ion trap mass spectrometry with MS/MS.sup.N analysis99US 6,011,259 AAnalytica of Branford, Inc. · 2000