H01J 49/22
Electrostatic deflection
H01J49/22 (Electrostatic deflection) appears on 57 US grants and 61 published applications in this corpus.
Search patents in H01J- Granted patents
- 57
- Published applications
- 61
- Assignees
- 36
- Inventors
- 90
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 2 |
| 2006 | 0 | 1 |
| 2007 | 3 | 2 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 3 |
| 2012 | 0 | 1 |
| 2013 | 2 | 4 |
| 2014 | 4 | 5 |
| 2015 | 5 | 9 |
| 2016 | 9 | 5 |
| 2017 | 5 | 3 |
| 2018 | 7 | 5 |
| 2019 | 2 | 3 |
| 2020 | 5 | 3 |
| 2021 | 2 | 3 |
| 2022 | 1 | 0 |
| 2023 | 2 | 0 |
| 2024 | 0 | 8 |
| 2025 | 0 | 0 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Quadrupole ion optical device11 Aug 2026US 12,706,291 B2Thermo Fisher Scientific (Bremen) GmbH
- Mass spectrometer and method12 May 2026US 12,626,899 B2Truemass Ltd
- Flow recirculation for mobility separation improvement20 Jan 2026US 12,529,679 B2Thermo Finnigan LLC
- Multiplexing method for separators22 Aug 2023US 11,733,206 B2Micromass UK Limited
- Multi-pass mass spectrometer with high duty cycle21 Feb 2023US 11,587,779 B2Micromass UK Limited
- Ion detection systems for detecting ions emitted from ion analyzers2 Jul 2026US 2026/0188635 A1El-Mul Technologies Ltd.
- Ion screening method and system for mass spectrometer, high-voltage pulse circuit, and selection circuit7 Nov 2024US 2024/0371620 A1Autobio Labtec Instruments Co., Ltd.
- Charged particle spectrometer3 Oct 2024US 2024/0331993 A1Scienta Omicron AB
- Mass spectrometer and method29 Aug 2024US 2024/0290605 A1Truemass Ltd
- Flow recirculation for mobility separation improvement1 Aug 2024US 2024/0255466 A1Thermo Finnigan LLC
Most cited
By later US patents
- Electrostatic mass spectrometer with encoded frequent pulses31US 8,853,623 B2Leco Corporation · 2014
- Quasi-planar multi-reflecting time-of-flight mass spectrometer24US 9,425,034 B2Leco Corporation · 2016
- Quasi-planar multi-reflecting time-of-flight mass spectrometer18US 10,141,175 B2Leco Corporation · 2018
- Time-of-flight ion mass spectrograph17US 6,521,887 B1The Regents of the University of California · 2003
- Means for removing unwanted ions from an ion transport system and mass spectrometer15US 7,230,232 B2Thermo Fisher Scientific (Bremen) GmbH · 2007