H01J 49/005
By collision with gas
Official title: {by collision with gas, e.g. by introducing gas or by accelerating ions with an electric field}
H01J49/005 (By collision with gas) appears on 245 US grants and 275 published applications in this corpus.
Search patents in H01J- Granted patents
- 245
- Published applications
- 275
- Assignees
- 73
- Inventors
- 354
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 3 |
| 2004 | 6 | 4 |
| 2005 | 3 | 3 |
| 2006 | 0 | 3 |
| 2007 | 5 | 5 |
| 2008 | 4 | 7 |
| 2009 | 6 | 4 |
| 2010 | 3 | 4 |
| 2011 | 1 | 4 |
| 2012 | 5 | 5 |
| 2013 | 5 | 15 |
| 2014 | 12 | 14 |
| 2015 | 19 | 25 |
| 2016 | 16 | 25 |
| 2017 | 22 | 20 |
| 2018 | 22 | 18 |
| 2019 | 16 | 16 |
| 2020 | 21 | 17 |
| 2021 | 11 | 12 |
| 2022 | 14 | 15 |
| 2023 | 10 | 16 |
| 2024 | 12 | 17 |
| 2025 | 10 | 14 |
| 2026 | 5 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of calibrating a mass spectrometer16 Jun 2026US 12,658,417 B2Thermo Fisher Scientific (Bremen) GmbH
- Mass spectrometry method and mass spectrometer2 Jun 2026US 12,646,699 B2Shimadzu Corporation
- Ion funnel-based collision cell31 Mar 2026US 12,592,372 B2Agilent Technologies, Inc.
- Mass spectrometer and mass spectrometry method17 Mar 2026US 12,580,170 B2Shimadzu Corporation
- Mass spectrometry apparatus and mass spectrometry method for adjusting ion accumulation times based on detection intensity17 Feb 2026US 12,555,762 B2JEOL Ltd.
- Systems and methods for multi-channel mass spectrometry17 Sep 2026US 2026/0279754 A1Peninsula Technologies, LLC
- Apparatus and method27 Aug 2026US 2026/0253857 A1Isotopx Ltd
- Systems and methods for determination of oligonucleotide sequence by tandem mass spectrometry13 Aug 2026US 2026/0237623 A1
- A mass spectrometer and a method for analyzing a sample therein16 Jul 2026US 2026/0204534 A1Teledyne FLIR Defense, Inc.
- Ion Guide Bandpass Filter with Dynamic Window Optimization16 Jul 2026US 2026/0204535 A1DH Technologies Development Pte. Ltd.
Most cited
By later US patents
- Spectrometer with axial field183US 5,847,386 AMDS Inc. · 1998
- Mass spectrometry with multipole ion guides129US 6,753,523 B1Analytica of Branford, Inc. · 2004
- Quadrupole with axial DC field127US 6,111,250 AMDS Health Group Limited · 2000
- Tandem quadrupole mass spectrometer for selected ion fragmentation studies and low energy collision induced dissociator therefor71US 4,234,791 AResearch Corporation · 1980
- Bandpass reactive collision cell69US 6,140,638 AMDS Inc. · 2000