H01J 2223/08
Focusing arrangements
Official title: Focusing arrangements, e.g. for concentrating stream of electrons, for preventing spreading of stream
H01J2223/08 (Focusing arrangements) appears on 6 US grants and 1 published applications in this corpus.
Search patents in H01J- Granted patents
- 6
- Published applications
- 1
- Assignees
- 4
- Inventors
- 9
- Latest grant
- 2 May 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Precision alignment system for millimeter wave sources2 May 2023US 11,640,893 B1Dymenso LLC
- Transverse field collector for a traveling wave tube14 Sep 1999US 5,952,785 A
- Compact magnetic module for periodic magnetic devices17 Aug 1999US 5,939,964 AIntermagnetics General Corporation
- Optimally designed traveling wave tube for operation backed off from saturation3 Aug 1999US 5,932,971 A
- Field free chamber in permanent magnet solenoids8 Sep 1998US 5,805,044 AThe United States of America as represented by the Secretary of the Army
Most cited
By later US patents
- Electron orbit control in a betatron15US 5,319,314 ASchlumberger Technology Corporation · 1994
- Compact magnetic module for periodic magnetic devices6US 5,939,964 AIntermagnetics General Corporation · 1999
- Field free chamber in permanent magnet solenoids5US 5,805,044 AThe United States of America as represented by the Secretary of the Army · 1998
- Transverse field collector for a traveling wave tube4US 5,952,785 A1999
- Optimally designed traveling wave tube for operation backed off from saturation2US 5,932,971 A1999