H01J 49/00
Particle spectrometers or separator tubes
H01J49/00 (Particle spectrometers or separator tubes) appears on 10,248 US grants and 10,502 published applications in this corpus.
Search patents in H01J- Granted patents
- 10,248
- Published applications
- 10,502
- Assignees
- 2,419
- Inventors
- 12,021
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 47 | 0 |
| 1977 | 31 | 0 |
| 1978 | 42 | 0 |
| 1979 | 27 | 0 |
| 1980 | 32 | 0 |
| 1981 | 27 | 0 |
| 1982 | 13 | 0 |
| 1983 | 13 | 0 |
| 1984 | 29 | 0 |
| 1985 | 29 | 0 |
| 1986 | 27 | 0 |
| 1987 | 48 | 0 |
| 1988 | 61 | 0 |
| 1989 | 80 | 0 |
| 1990 | 60 | 0 |
| 1991 | 70 | 0 |
| 1992 | 85 | 0 |
| 1993 | 72 | 0 |
| 1994 | 90 | 0 |
| 1995 | 101 | 0 |
| 1996 | 94 | 0 |
| 1997 | 94 | 0 |
| 1998 | 117 | 0 |
| 1999 | 108 | 0 |
| 2000 | 114 | 0 |
| 2001 | 121 | 61 |
| 2002 | 140 | 206 |
| 2003 | 219 | 260 |
| 2004 | 290 | 332 |
| 2005 | 216 | 387 |
| 2006 | 300 | 344 |
| 2007 | 228 | 313 |
| 2008 | 277 | 361 |
| 2009 | 227 | 372 |
| 2010 | 250 | 345 |
| 2011 | 289 | 382 |
| 2012 | 290 | 338 |
| 2013 | 361 | 422 |
| 2014 | 447 | 528 |
| 2015 | 402 | 528 |
| 2016 | 477 | 552 |
| 2017 | 470 | 516 |
| 2018 | 448 | 444 |
| 2019 | 519 | 547 |
| 2020 | 495 | 542 |
| 2021 | 463 | 587 |
| 2022 | 457 | 508 |
| 2023 | 384 | 457 |
| 2024 | 399 | 519 |
| 2025 | 340 | 385 |
| 2026 | 228 | 266 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01J 49/02Details6,908
- H01J 49/26Mass spectrometers or separator tubes3,955
- H01J 49/0027Methods for using particle spectrometers2,812
- H01J 49/004Combinations of spectrometers, tandem spectrometers1,745
- H01J 49/0009Calibration of the apparatus418
- H01J 49/0013Miniaturised spectrometers394
- H01J 49/0004Imaging particle spectrometry353
- H01J 49/44Energy spectrometers287
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.
- Method for determining a measure of a rate of decay and mass spectrometry system6 Oct 2026US 12,755,948 B2Thermo Fisher Scientific (Bremen) GmbH
- Ion analysis using image-charge/current analysis6 Oct 2026US 12,755,949 B2Shimadzu Corporation
- Astroagents: a multi-agent ai for hypothesis generation from mass spectrometry data8 Oct 2026US 2026/0309689 A1Georgia Tech Research Corporation
- 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
- Mass spectrometry calibration8 Oct 2026US 2026/0311981 A1Micromass UK Limited
- Mass spectrometry8 Oct 2026US 2026/0311982 A1Thermo Fisher Scientific (Bremen) GmbH
Most cited
By later US patents
- Microscale fluid handling system662US 5,872,010 ANortheastern University · 1999
- Miniaturized mass spectrometer system529US 5,313,061 AViking Instrument · 1994
- 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
- DNA diagnostic based on mass spectrometry372US 5,605,798 ASequenom, Inc. · 1997