H01J 49/02
Details
H01J49/02 (Details) appears on 6,908 US grants and 7,042 published applications in this corpus.
Search patents in H01J- Granted patents
- 6,908
- Published applications
- 7,042
- Assignees
- 1,730
- Inventors
- 8,469
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 30 | 0 |
| 1977 | 18 | 0 |
| 1978 | 20 | 0 |
| 1979 | 22 | 0 |
| 1980 | 24 | 0 |
| 1981 | 17 | 0 |
| 1982 | 10 | 0 |
| 1983 | 9 | 0 |
| 1984 | 20 | 0 |
| 1985 | 17 | 0 |
| 1986 | 21 | 0 |
| 1987 | 36 | 0 |
| 1988 | 36 | 0 |
| 1989 | 60 | 0 |
| 1990 | 44 | 0 |
| 1991 | 40 | 0 |
| 1992 | 53 | 0 |
| 1993 | 45 | 0 |
| 1994 | 65 | 0 |
| 1995 | 57 | 0 |
| 1996 | 63 | 0 |
| 1997 | 60 | 0 |
| 1998 | 87 | 0 |
| 1999 | 76 | 0 |
| 2000 | 66 | 0 |
| 2001 | 71 | 52 |
| 2002 | 90 | 147 |
| 2003 | 139 | 166 |
| 2004 | 195 | 227 |
| 2005 | 149 | 243 |
| 2006 | 205 | 216 |
| 2007 | 137 | 182 |
| 2008 | 168 | 202 |
| 2009 | 124 | 213 |
| 2010 | 162 | 203 |
| 2011 | 158 | 225 |
| 2012 | 171 | 197 |
| 2013 | 222 | 259 |
| 2014 | 299 | 364 |
| 2015 | 292 | 365 |
| 2016 | 338 | 379 |
| 2017 | 332 | 343 |
| 2018 | 305 | 315 |
| 2019 | 372 | 399 |
| 2020 | 339 | 398 |
| 2021 | 356 | 472 |
| 2022 | 335 | 350 |
| 2023 | 288 | 327 |
| 2024 | 285 | 376 |
| 2025 | 230 | 244 |
| 2026 | 150 | 178 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01J 49/10Ion sources3,254
- H01J 49/04Arrangements for introducing or extracting samples to be analysed2,922
- H01J 49/06Electron- or ion-optical arrangements1,746
- H01J 49/025Detectors specially adapted to particle spectrometers727
- H01J 49/24Vacuum systems442
- H01J 49/022Circuit arrangements371
- H01J 49/08Electron sources61
- H01J 49/22Electrostatic deflection57
All 9 subgroupsShow fewer
Recent patents
- Volumetric measurement of micro droplets6 Oct 2026US 12,752,294 B2DH Technologies Development Pte. Ltd.
- Identifying and classifying microorganisms6 Oct 2026US 12,753,428 B2Board of Regents, The University of Texas System
- Systems and methods for performing a check of a differential mobility spectrometer6 Oct 2026US 12,754,166 B2DH Technologies Development Pte. Ltd.
- Automated systems and methods for separating compounds6 Oct 2026US 12,755,950 B2DH Technologies Development Pte. Ltd.
- Exhaust flow boosting for sampling probe for use in mass spectrometry systems and methods6 Oct 2026US 12,755,951 B2DH Technologies Development Pte. Ltd.
- Methods for cleaning an ion transport system8 Oct 2026US 2026/0311949 A1Thermo Finnigan LLC
- Method for charge calibration of cdms measurements of charged particles8 Oct 2026US 2026/0311980 A1The Trustees of Indiana University
- Capacitor as alternative to power supply for low leakage current ion optics elements in mass spectrometers8 Oct 2026US 2026/0311983 A1Thermo Finnigan LLC
- Ion sorter ejection control8 Oct 2026US 2026/0311984 A1Thermo Finnigan LLC
- Ion Gate8 Oct 2026US 2026/0311985 A1Thermo Fisher Scientific (Bremen) GmbH
Most cited
By later US patents
- Microscale fluid handling system662US 5,872,010 ANortheastern University · 1999
- Thermal desorption gas spectrometer467US 5,528,032 AESCO Corporation · 1996
- Integrated nucleic acid analysis system for MALDI-TOF MS405US 5,716,825 AHewlett-Packard Company · 1998
- 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
- Device and method for analyzing an organic sample265US 8,263,933 B2Carl Zeiss NTS GmbH · 2012