H01J 27/26
Using surface ionisation
Official title: using surface ionisation, e.g. field effect ion sources, thermionic ion sources (H01J27/20, H01J27/24 take precedence)
H01J27/26 (Using surface ionisation) appears on 222 US grants and 171 published applications in this corpus.
Search patents in H01J- Granted patents
- 222
- Published applications
- 171
- Assignees
- 109
- Inventors
- 360
- Latest grant
- 1 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 6 | 0 |
| 1987 | 7 | 0 |
| 1988 | 10 | 0 |
| 1989 | 3 | 0 |
| 1990 | 7 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 4 |
| 2004 | 2 | 5 |
| 2005 | 4 | 2 |
| 2006 | 1 | 4 |
| 2007 | 4 | 17 |
| 2008 | 1 | 4 |
| 2009 | 15 | 15 |
| 2010 | 6 | 6 |
| 2011 | 4 | 11 |
| 2012 | 14 | 13 |
| 2013 | 11 | 11 |
| 2014 | 13 | 11 |
| 2015 | 16 | 15 |
| 2016 | 8 | 11 |
| 2017 | 13 | 10 |
| 2018 | 6 | 7 |
| 2019 | 7 | 3 |
| 2020 | 8 | 7 |
| 2021 | 6 | 4 |
| 2022 | 2 | 1 |
| 2023 | 4 | 2 |
| 2024 | 1 | 2 |
| 2025 | 3 | 4 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus for electrospray emission1 Jul 2025US 12,343,749 B2Accion Systems, Inc.
- Liquid metal ion source20 May 2025US 12,308,197 B2ENPULSION GmbH
- Ion source for controlling decomposition buildup using chlorine co-gas11 Feb 2025US 12,224,149 B2APPLIED Materials.Inc.
- Ion propulsion device28 May 2024US 11,993,402 B2Centre National D'Etudes Spatiales
- Discharge device with minimal noise generation26 Dec 2023US 11,855,418 B2Sharp Kabushiki Kaisha
- Field emission source for ion mobility spectrometry23 Jul 2026US 2026/0210910 A1Verily Life Sciences LLC
- Production and purification of lutetium-177 using electromagnetic separation and chromatography30 Oct 2025US 2025/0336560 A1Nusano, Inc.
- Isotope separation system with velocity filter30 Oct 2025US 2025/0336561 A1Nusano, Inc.
- Ion source with backward electron beam ionization30 Oct 2025US 2025/0336562 A1Nusano, Inc.
- Ion source for controlling decomposition buildup using chlorine co-gas30 Oct 2025US 2025/0336633 A1APPLIED Materials.Inc.
Most cited
By later US patents
- Method for depositing film on a substrate96US 4,107,350 A1978
- Ion sources, systems and methods67US 7,554,097 B2ALIS Corporation · 2009
- Ion sources, systems and methods65US 7,557,359 B2ALIS Corporation · 2009
- Ion sources, systems and methods64US 7,557,358 B2ALIS Corporation · 2009
- Method and apparatus for producing bright high resolution ion beams63US 4,139,773 AOregon Graduate Center · 1979