H01J 49/34
Dynamic spectrometers
H01J49/34 (Dynamic spectrometers) appears on 3,211 US grants and 3,145 published applications in this corpus.
Search patents in H01J- Granted patents
- 3,211
- Published applications
- 3,145
- Assignees
- 744
- Inventors
- 3,331
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 6 | 0 |
| 1978 | 9 | 0 |
| 1979 | 2 | 0 |
| 1980 | 7 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 6 | 0 |
| 1985 | 5 | 0 |
| 1986 | 5 | 0 |
| 1987 | 14 | 0 |
| 1988 | 17 | 0 |
| 1989 | 11 | 0 |
| 1990 | 14 | 0 |
| 1991 | 19 | 0 |
| 1992 | 25 | 0 |
| 1993 | 22 | 0 |
| 1994 | 24 | 0 |
| 1995 | 40 | 0 |
| 1996 | 24 | 0 |
| 1997 | 40 | 0 |
| 1998 | 44 | 0 |
| 1999 | 36 | 0 |
| 2000 | 44 | 0 |
| 2001 | 30 | 13 |
| 2002 | 33 | 53 |
| 2003 | 68 | 74 |
| 2004 | 91 | 105 |
| 2005 | 75 | 123 |
| 2006 | 105 | 79 |
| 2007 | 77 | 90 |
| 2008 | 77 | 105 |
| 2009 | 69 | 112 |
| 2010 | 74 | 95 |
| 2011 | 81 | 106 |
| 2012 | 83 | 75 |
| 2013 | 105 | 113 |
| 2014 | 147 | 163 |
| 2015 | 152 | 155 |
| 2016 | 143 | 192 |
| 2017 | 160 | 192 |
| 2018 | 163 | 132 |
| 2019 | 166 | 164 |
| 2020 | 174 | 180 |
| 2021 | 146 | 179 |
| 2022 | 156 | 175 |
| 2023 | 104 | 129 |
| 2024 | 136 | 162 |
| 2025 | 105 | 106 |
| 2026 | 63 | 73 |
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
- Waveforms in an ion mobility spectrometer29 Sep 2026US 12,748,073 B2Battelle Memorial Institute
- Systems and methods for recovering organic contaminants from semiconducting wafers29 Sep 2026US 12,749,667 B2Elemental Scientific, Inc.
- Charge detection mass spectrometry using multiple accumulation events22 Sep 2026US 12,742,754 B2Thermo Finnigan LLC
- Method of operating a multipole device22 Sep 2026US 12,744,197 B2Thermo Fisher Scientific (Bremen) GmbH
- 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.
- Method of scheduling ions for analysis8 Oct 2026US 2026/0311990 A1Thermo Finnigan LLC
- Mass spectrometer having parallel precursor ion isolation1 Oct 2026US 2026/0298873 A1Micromass UK Limited
- Improved spectrometer or imaging assembly1 Oct 2026US 2026/0299058 A1Npl Management Limited
Most cited
By later US patents
- Methods and apparatus for tandem mass spectrometry255US 6,107,623 AMicromass Limited · 2000
- Mass spectrometry from surfaces248US 6,204,500 B1Analytica of Branford, Inc. · 2001
- Ion trap mass spectrometer system and method218US 5,420,425 AFinnigan Corporation · 1995
- Time-of-flight mass spectrometry analysis of biomolecules184US 5,625,184 APerSeptive Biosystems, Inc. · 1997
- Spectrometer with axial field183US 5,847,386 AMDS Inc. · 1998