H01J 49/426
Methods for controlling ions
Official title: {Methods for controlling ions}
H01J49/426 (Methods for controlling ions) appears on 619 US grants and 597 published applications in this corpus.
Search patents in H01J- Granted patents
- 619
- Published applications
- 597
- Assignees
- 152
- Inventors
- 639
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 8 | 0 |
| 1993 | 11 | 0 |
| 1994 | 9 | 0 |
| 1995 | 18 | 0 |
| 1996 | 9 | 0 |
| 1997 | 13 | 0 |
| 1998 | 10 | 0 |
| 1999 | 4 | 0 |
| 2000 | 8 | 0 |
| 2001 | 3 | 2 |
| 2002 | 3 | 5 |
| 2003 | 10 | 11 |
| 2004 | 8 | 12 |
| 2005 | 8 | 11 |
| 2006 | 11 | 7 |
| 2007 | 7 | 10 |
| 2008 | 13 | 22 |
| 2009 | 13 | 30 |
| 2010 | 14 | 23 |
| 2011 | 18 | 23 |
| 2012 | 19 | 17 |
| 2013 | 25 | 19 |
| 2014 | 22 | 30 |
| 2015 | 28 | 27 |
| 2016 | 32 | 37 |
| 2017 | 27 | 27 |
| 2018 | 30 | 24 |
| 2019 | 31 | 31 |
| 2020 | 30 | 38 |
| 2021 | 36 | 45 |
| 2022 | 31 | 38 |
| 2023 | 28 | 31 |
| 2024 | 27 | 38 |
| 2025 | 31 | 21 |
| 2026 | 11 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Space charge reduction in TOF-MS18 Aug 2026US 12,712,173 B2DH Technologies Development Pte. Ltd.
- Apparatus and method for ion separation11 Aug 2026US 12,706,292 B2Thermo Finnigan LLC
- Nested electrostatic linear ion traps and methods of operating the same28 Jul 2026US 12,695,077 B2DH Technologies Development Pte. Ltd.
- Single-sided standing wave for exciting trapped ions28 Jul 2026US 12,695,078 B2Alpine Quantum Technologies GmbH
- Gas chromatograph mass spectrometer7 Jul 2026US 12,676,295 B2Shimadzu Corporation
- Mass spectrometer having parallel precursor ion isolation1 Oct 2026US 2026/0298873 A1Micromass UK Limited
- Apparatus and method27 Aug 2026US 2026/0253857 A1Isotopx Ltd
- Apparatus and method for trapping ions27 Aug 2026US 2026/0253859 A1Thermo Finnigan LLC
- Capacitive coupling compensation for direct current electrodes in ion traps20 Aug 2026US 2026/0245855 A1Infineon Technologies Austria AG
- Ion separator6 Aug 2026US 2026/0229478 A1Micromass UK Limited
Most cited
By later US patents
- Method of mass analyzing a sample by use of a quadrupole ion trap179US 4,540,884 AFinnigan Corporation · 1985
- Axial ejection in a multipole mass spectrometer152US 6,177,668 B1MDS Inc. · 2001
- Tailored excitation for trapped ion mass spectrometry136US 4,761,545 AThe Ohio State University Research Foundation · 1988
- Ion mobility storage trap and method135US 6,124,592 ATechnispan LLC · 2000
- Multipole inlet system for ion traps114US 5,179,278 AMDS Health Group Limited · 1993