F03H 1/0043
Characterised by the acceleration grid
Official title: {characterised by the acceleration grid (extraction optics for ion sources H01J27/024)}
F03H1/0043 (Characterised by the acceleration grid) appears on 57 US grants and 41 published applications in this corpus.
Search patents in F03H- Granted patents
- 57
- Published applications
- 41
- Assignees
- 36
- Inventors
- 114
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 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 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 0 | 2 |
| 2013 | 1 | 1 |
| 2014 | 1 | 2 |
| 2015 | 4 | 2 |
| 2016 | 4 | 0 |
| 2017 | 2 | 0 |
| 2018 | 1 | 3 |
| 2019 | 0 | 2 |
| 2020 | 1 | 2 |
| 2021 | 5 | 4 |
| 2022 | 2 | 4 |
| 2023 | 3 | 1 |
| 2024 | 4 | 4 |
| 2025 | 4 | 4 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ionic thruster methods and apparatus for aircraft7 Apr 2026US 12,595,785 B2The Boeing Company
- Ion thruster and method for fabrication thereof10 Feb 2026US 12,546,295 B2
- Electrospray emission apparatus7 Oct 2025US 12,435,709 B2Accion Systems, Inc.
- Apparatus for ionizing and accelerating a fluid24 Jun 2025US 12,338,804 B2
- Thrust-quantitatively-controllable and self-neutralizable kaufman ion thruster and use method thereof24 Jun 2025US 12,338,805 B2Space Engineering University
- Ion source and method for operating the same14 May 2026US 2026/0132774 A1ENPULSION GmbH
- Integrated ion thruster unit for a spacecraft30 Oct 2025US 2025/0334106 A1Accion Systems Inc., dba Revolution Space
- Apparatus for ionizing and accelerating a fluid11 Sep 2025US 2025/0283453 A1
- Ionic thruster methods and apparatus for aircraft28 Aug 2025US 2025/0270984 A1The Boeing Company
- C/c composite and ion engine grid8 May 2025US 2025/0146196 A1Toyo Tanso Co., Ltd.
Most cited
By later US patents
- Electrostatic ion thruster with improved thrust modulation86US 4,838,021 AHughes Aircraft Company · 1989
- Ion thruster with long-lifetime ion-optics system38US 5,924,277 AHughes Electronics Corporation · 1999
- Three-grid accelerator system for an ion propulsion engine31US 5,369,953 AThe United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 1994
- Ion source with particular grid assembly29US 4,873,467 A1989
- Segmented ion thruster26US 5,269,131 AThe United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 1993