H01J 49/44
Energy spectrometers
Official title: Energy spectrometers, e.g. alpha-, beta-spectrometers
H01J49/44 (Energy spectrometers) appears on 287 US grants and 147 published applications in this corpus.
Search patents in H01J- Granted patents
- 287
- Published applications
- 147
- Assignees
- 159
- Inventors
- 498
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 7 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 6 | 0 |
| 1986 | 2 | 0 |
| 1987 | 6 | 0 |
| 1988 | 12 | 0 |
| 1989 | 14 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 9 | 0 |
| 1993 | 6 | 0 |
| 1994 | 7 | 0 |
| 1995 | 11 | 0 |
| 1996 | 8 | 0 |
| 1997 | 5 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 8 | 0 |
| 2001 | 6 | 0 |
| 2002 | 5 | 2 |
| 2003 | 4 | 4 |
| 2004 | 6 | 3 |
| 2005 | 1 | 8 |
| 2006 | 5 | 8 |
| 2007 | 5 | 2 |
| 2008 | 7 | 6 |
| 2009 | 4 | 2 |
| 2010 | 4 | 6 |
| 2011 | 5 | 6 |
| 2012 | 2 | 4 |
| 2013 | 4 | 9 |
| 2014 | 8 | 2 |
| 2015 | 4 | 4 |
| 2016 | 7 | 5 |
| 2017 | 6 | 8 |
| 2018 | 8 | 8 |
| 2019 | 8 | 11 |
| 2020 | 10 | 7 |
| 2021 | 9 | 13 |
| 2022 | 10 | 10 |
| 2023 | 7 | 5 |
| 2024 | 8 | 6 |
| 2025 | 6 | 6 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Methods of identification and confirmation of solid media samples using vibrational spectroscopy coupled to spray ionization mass spectrometry systems25 Aug 2026US 12,719,039 B1
- Angle-resolving photoelectron spectrometer and method20 Jan 2026US 12,529,664 B2Scienta Omicron AB
- Programmable and tunable cylindrical deflector analyzers13 Jan 2026US 12,523,784 B2Rensselaer Polytechnic Institute
- EELS auto-alignment using full image simulation23 Dec 2025US 12,505,996 B2FEI Company
- Instrument, including an electrostatic linear ion trap, for analyzing ions22 Apr 2025US 12,283,475 B2The Trustees of Indiana University
- Switching between vacuum-pressure operation and near-atmospheric-pressure operation in a material analysis system14 May 2026US 2026/0135073 A1SPECS Surface Nano Analysis GmbH
- Retarding field energy analyzer with magnetic filter12 Mar 2026US 2026/0074174 A1APPLIED Materials.Inc.
- EELS Auto-Alignment Using Full Image Simulation25 Dec 2025US 2025/0391649 A1FEI Company
- Instrument, including an electrostatic linear ion trap, for analyzing ions26 Jun 2025US 2025/0210340 A1The Trustees of Indiana University
- Neutron detection system19 Jun 2025US 2025/0199194 A1Lunar Helium-3 Mining, LLC
Most cited
By later US patents
- Electrostatic electron spectrometry apparatus74US 8,013,298 B2National University of Singapore · 2011
- Multi-reflecting time-of-flight mass spectrometer with isochronous curved ion interface51US 7,326,925 B2Leco Corporation · 2008
- Wien filter50US 4,019,989 AU. S. Philips Corporation · 1977
- High resolution mass spectrometry of recoiled ions for isotopic and trace elemental analysis47US 5,087,815 A1992
- Two-grid ion energy analyzer and methods of manufacturing and operating47US 7,777,179 B2Tokyo Electron Limited · 2010