H01J 49/284
Using electrostatic and magnetic sectors with simple focusing
Official title: {using electrostatic and magnetic sectors with simple focusing, e.g. with parallel fields such as Aston spectrometer}
H01J49/284 (Using electrostatic and magnetic sectors with simple focusing) appears on 64 US grants and 40 published applications in this corpus.
Search patents in H01J- Granted patents
- 64
- Published applications
- 40
- Assignees
- 43
- Inventors
- 115
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 2 |
| 2003 | 3 | 5 |
| 2004 | 3 | 2 |
| 2005 | 2 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 3 |
| 2008 | 3 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 2 | 0 |
| 2012 | 0 | 1 |
| 2013 | 2 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 3 | 2 |
| 2019 | 1 | 3 |
| 2020 | 1 | 1 |
| 2021 | 3 | 4 |
| 2022 | 1 | 2 |
| 2023 | 3 | 3 |
| 2024 | 1 | 5 |
| 2025 | 2 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Analysing a field of a mass spectrometer5 May 2026US 12,620,568 B2Thermo Fisher Scientific (Bremen) GmbH
- Determining an expected response of a mass spectrometer3 Feb 2026US 12,542,267 B2Thermo Fisher Scientific (Bremen) GmbH
- Ultra-compact ion mass spectrometer for space and laboratory plasma measurements18 Nov 2025US 12,476,101 B1Triad National Security, LLC
- Particle detector having improved performance and service life11 Feb 2025US 12,224,167 B2Adaptas Solutions Pty Ltd
- Mass spectrometer30 Jan 2024US 11,887,832 B2Thermo Fisher Scientific (Bremen) GmbH
- Mass spectrometer1 Oct 2026US 2026/0302152 A1Thermo Fisher Scientific (Bremen) GmbH
- Metal purification device and method based on mass-to-charge ratio difference18 Dec 2025US 2025/0381570 A1Shanghai University
- Simulating a mass spectrometer14 Mar 2024US 2024/0086587 A1Thermo Fisher Scientific (Bremen) GmbH
- Tuning a mass spectrometer filter14 Mar 2024US 2024/0087863 A1Thermo Fisher Scientific (Bremen) GmbH
- Analysing a field of a mass spectrometer14 Mar 2024US 2024/0087871 A1Thermo Fisher Scientific (Bremen) GmbH
Most cited
By later US patents
- Micro-miniature diaphragm pump for the low pressure pumping of gases187US 5,659,171 ANorthrop Grumman Corporation · 1997
- Miniaturized mass filter83US 5,536,939 ANorthrop Grumman Corporation · 1996
- Apparatus and method for maskless ion implantation77US 4,074,139 ARCA Corporation · 1978
- Micromachined mass spectrometer54US 5,541,408 ARosemount Analytical Inc. · 1996
- Micromachined mass spectrometer53US 5,401,963 ARosemount Analytical Inc. · 1995