H01J 49/102
Using reflex discharge
Official title: {using reflex discharge, e.g. Penning ion sources}
H01J49/102 (Using reflex discharge) appears on 15 US grants and 12 published applications in this corpus.
Search patents in H01J- Granted patents
- 15
- Published applications
- 12
- Assignees
- 15
- Inventors
- 38
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 3 |
| 2017 | 2 | 1 |
| 2018 | 1 | 0 |
| 2019 | 2 | 3 |
| 2020 | 1 | 0 |
| 2021 | 1 | 0 |
| 2022 | 1 | 4 |
| 2023 | 2 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System for production of high yield of ions in RF only confinement field for use in mass spectrometry25 Aug 2026US 12,719,041 B2Quad Mass Corp.
- Ion generation apparatus and ion mobility analysis apparatus21 May 2024US 11,988,634 B2Sharp Kabushiki Kaisha
- Pulsatile flow atmospheric real time ionization28 Mar 2023US 11,615,951 B2Ionsense, Inc.
- System and method for detecting analytes dissolved in liquids by plasma ionisation mass spectrometry7 Mar 2023US 11,600,479 B2Microsaic Systems Limited
- Pulsatile flow atmospheric real time ionization23 Aug 2022US 11,424,116 B2Ionsense, Inc.
- A system for production of high yield of ions in rf only confinement field for use in mass spectrometry16 May 2024US 2024/0162024 A1Quad Mass Corp.
- A System And Method for Detecting Analytes Dissolved In Liquids By Plasma Ionisation Mass Spectrometry29 Dec 2022US 2022/0415639 A1Microsaic Systems Limited
- Pulsatile Flow Atmospheric Real Time Ionization18 Aug 2022US 2022/0262614 A1Ionsense, Inc.
- Ion generation apparatus and ion mobility analysis apparatus9 Jun 2022US 2022/0178876 A1Sharp Kabushiki Kaisha
- Pulsatile flow atmospheric real time ionization13 Jan 2022US 2022/0013347 A1Ionsense, Inc.
Most cited
By later US patents
- Metastable atom bombardment source93US 6,124,675 AUniversity of Montreal · 2000
- Separated ion source36US 4,163,151 AHughes Aircraft Company · 1979
- Soft ionization based on conditioned glow discharge for quantitative analysis18US 10,192,723 B2Leco Corporation · 2019
- Metastable atom bombardment source7US 6,661,178 B1Universite de Montreal · 2003
- Ambient desorption, ionization, and excitation for spectrometry3US 9,875,884 B2Agilent Technologies, Inc. · 2018