H01J 49/28
Static spectrometers
H01J49/28 (Static spectrometers) appears on 353 US grants and 228 published applications in this corpus.
Search patents in H01J- Granted patents
- 353
- Published applications
- 228
- Assignees
- 172
- Inventors
- 534
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 3 | 0 |
| 1978 | 7 | 0 |
| 1979 | 4 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 11 | 0 |
| 1990 | 6 | 0 |
| 1991 | 7 | 0 |
| 1992 | 8 | 0 |
| 1993 | 8 | 0 |
| 1994 | 4 | 0 |
| 1995 | 7 | 0 |
| 1996 | 10 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 15 | 0 |
| 2002 | 7 | 5 |
| 2003 | 12 | 10 |
| 2004 | 8 | 10 |
| 2005 | 8 | 6 |
| 2006 | 4 | 7 |
| 2007 | 3 | 8 |
| 2008 | 10 | 8 |
| 2009 | 4 | 0 |
| 2010 | 2 | 7 |
| 2011 | 2 | 3 |
| 2012 | 5 | 9 |
| 2013 | 12 | 12 |
| 2014 | 5 | 9 |
| 2015 | 9 | 9 |
| 2016 | 10 | 10 |
| 2017 | 17 | 16 |
| 2018 | 9 | 9 |
| 2019 | 13 | 22 |
| 2020 | 16 | 14 |
| 2021 | 18 | 15 |
| 2022 | 9 | 8 |
| 2023 | 10 | 7 |
| 2024 | 7 | 14 |
| 2025 | 8 | 7 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and techniques for in-source ion separation14 Jul 2026US 12,683,141 B2Thermo Finnigan LLC
- 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
- Shot-to-shot sampling using a matrix-assisted laser desorption/ionization time-of-flight mass spectrometer21 Oct 2025US 12,451,341 B2Highland Innovations Inc.
- Method for charge calibration of cdms measurements of charged particles8 Oct 2026US 2026/0311980 A1The Trustees of Indiana University
- Mass spectrometer1 Oct 2026US 2026/0302152 A1Thermo Fisher Scientific (Bremen) GmbH
- Device and method for high resolution beam analysis18 Jun 2026US 2026/0171380 A1Luxembourg Institute of Science and Technology (List)
- Metal purification device and method based on mass-to-charge ratio difference18 Dec 2025US 2025/0381570 A1Shanghai University
- Ion production system with fibrous lattice for ion collection11 Sep 2025US 2025/0285777 A1SHINE Technologies, LLC
Most cited
By later US patents
- Micro-miniature diaphragm pump for the low pressure pumping of gases187US 5,659,171 ANorthrop Grumman Corporation · 1997
- Detection method for dissociation of multiple-charged ions87US 5,073,713 ABattelle Memorial Institute · 1991
- Miniaturized mass filter83US 5,536,939 ANorthrop Grumman Corporation · 1996
- Apparatus and method for maskless ion implantation77US 4,074,139 ARCA Corporation · 1978
- Combination of time resolution and mass dispersive techniques in mass spectrometry76US 4,472,631 AResearch Corporation · 1984