H01J 49/48
Using electrostatic analysers
Official title: using electrostatic analysers, e.g. cylindrical sector, Wien filter
H01J49/48 (Using electrostatic analysers) appears on 180 US grants and 89 published applications in this corpus.
Search patents in H01J- Granted patents
- 180
- Published applications
- 89
- Assignees
- 111
- Inventors
- 291
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 6 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 11 | 0 |
| 1989 | 9 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 2 |
| 2003 | 2 | 1 |
| 2004 | 2 | 1 |
| 2005 | 0 | 3 |
| 2006 | 2 | 7 |
| 2007 | 1 | 1 |
| 2008 | 5 | 5 |
| 2009 | 2 | 0 |
| 2010 | 3 | 6 |
| 2011 | 4 | 6 |
| 2012 | 2 | 3 |
| 2013 | 4 | 4 |
| 2014 | 6 | 2 |
| 2015 | 2 | 1 |
| 2016 | 4 | 4 |
| 2017 | 3 | 3 |
| 2018 | 4 | 6 |
| 2019 | 4 | 4 |
| 2020 | 5 | 2 |
| 2021 | 2 | 6 |
| 2022 | 6 | 9 |
| 2023 | 7 | 3 |
| 2024 | 5 | 4 |
| 2025 | 4 | 4 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Programmable and tunable cylindrical deflector analyzers13 Jan 2026US 12,523,784 B2Rensselaer Polytechnic Institute
- Instrument, including an electrostatic linear ion trap, for analyzing ions22 Apr 2025US 12,283,475 B2The Trustees of Indiana University
- Ultrahigh surface area materials and methods of making the same8 Apr 2025US 12,270,959 B2University of South Florida
- Low-power mass interrogation system and assay for determining vitamin D levels25 Mar 2025US 12,261,032 B2Leidos, Inc.
- Instrument for separating ions including an electrostatic linear ion trap to simultaneously trap multiple ions18 Mar 2025US 12,255,060 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.
- Instrument, including an electrostatic linear ion trap, for analyzing ions26 Jun 2025US 2025/0210340 A1The Trustees of Indiana University
- An Improved Low-Power Mass Interrogation System and Assay For Determining Vitamin D Levels12 Jun 2025US 2025/0191902 A1Leidos, Inc.
- Residual gas analyser, projection exposure apparatus comprising a residual gas analyser and method of residual gas analysis29 May 2025US 2025/0174452 A1Carl Zeiss SMT GmbH
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
- High resolution mass spectrometry of recoiled ions for isotopic and trace elemental analysis47US 5,087,815 A1992
- Apparatus and method for contact-free potential measurements of an electronic composition34US 4,277,679 ASiemens Aktiengesellschaft · 1981
- Scanning and high resolution x-ray photoelectron spectroscopy and imaging31US 5,315,113 AThe Perkin-Elmer Corporation · 1994