H01J 43/22
Dynodes consisting of electron-permeable material
Official title: Dynodes consisting of electron-permeable material, e.g. foil, grid, tube, venetian blind
H01J43/22 (Dynodes consisting of electron-permeable material) appears on 87 US grants and 43 published applications in this corpus.
Search patents in H01J- Granted patents
- 87
- Published applications
- 43
- Assignees
- 28
- Inventors
- 124
- Latest grant
- 2 Apr 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 3 | 3 |
| 2004 | 2 | 3 |
| 2005 | 1 | 5 |
| 2006 | 7 | 7 |
| 2007 | 2 | 1 |
| 2008 | 3 | 0 |
| 2009 | 2 | 3 |
| 2010 | 3 | 2 |
| 2011 | 2 | 3 |
| 2012 | 1 | 3 |
| 2013 | 5 | 2 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 1 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 2 | 2 |
| 2020 | 2 | 1 |
| 2021 | 1 | 2 |
| 2022 | 1 | 1 |
| 2023 | 1 | 2 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Electron multipliers having improved gain stability2 Apr 2024US 11,948,785 B2Adaptas Solutions Pty Ltd
- Ion detector and mass spectrometer each including multiple dynodes2 May 2023US 11,640,902 B2Hamamatsu Photonics K.K.
- Long life electron multiplier9 Aug 2022US 11,410,838 B2
- Gas electron multiplier board photomultiplier14 Dec 2021US 11,201,041 B2Baker Hughes Holdings LLC
- Photomultiplier and methods of making it13 Oct 2020US 10,804,085 B2Shenzhen Genorivision Technology Co., Ltd.
- Electron multipliers having improved gain stability21 Sep 2023US 2023/0298873 A1Adaptas Solutions Pty Ltd
- Instruments including an electron multiplier19 Jan 2023US 2023/0015584 A1
- Long life electron multiplier3 Mar 2022US 2022/0068621 A1Thermo Finnigan LLC
- Ion detector and mass spectrometer4 Nov 2021US 2021/0343517 A1Hamamatsu Photonics K.K.
- Gas electron multiplier board photomultiplier5 Aug 2021US 2021/0242002 A1Baker Hughes Holdings LLC
Most cited
By later US patents
- Micro-dynode integrated electron multiplier39US 6,384,519 B1NanoSciences Corporation · 2002
- Photomultiplier tube with focusing electrode plate36US 5,936,348 AHamamatsu Photonics K.K. · 1999
- Multi dynode device and hybrid detector apparatus for mass spectrometry33US 6,617,768 B1Agilent Technologies, Inc. · 2003
- Micro-engineered electron multipliers31US 7,294,954 B2Microsaic Systems Limited · 2007
- Electron multipliers26US 4,482,836 AU. S. Philips Corporation · 1984