H01J 29/54
Arrangements for centring ray or beam
Official title: Arrangements for centring ray or beam {(H01J29/467 takes precedence)}
H01J29/54 (Arrangements for centring ray or beam) appears on 12 US grants and 5 published applications in this corpus.
Search patents in H01J- Granted patents
- 12
- Published applications
- 5
- Assignees
- 13
- Inventors
- 23
- Latest grant
- 2 May 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Precision alignment system for millimeter wave sources2 May 2023US 11,640,893 B1Dymenso LLC
- Field emission device24 May 2022US 11,342,153 B2Electronics and Telecommunications Research Institute
- Beam position monitors for medical radiation machines29 Dec 2020US 10,879,028 B2Varian Medical Systems, Inc.
- Method of manufacturing an electron gun20 May 2003US 6,566,800 B2Koninklijke Philips Electronics N. V.
- Electrostatic alignment of a charged particle beam11 Sep 2001US 6,288,401 B1Etec Systems, Inc.
- Precision Alignment System for Millimeter Wave Sources18 May 2023US 2023/0154717 A1Dymenso LLC
- Field emission device30 Sep 2021US 2021/0305002 A1Electronics and Telecommunications Research Institute
- Beam position monitors for medical radiation machines19 Oct 2017US 2017/0296844 A1Varian Medical Systems, Inc.
- Cathode ray tube including electron gun2 Jul 2009US 2009/0167143 A1LG. Philips Displays Korea Co., Ltd.
- Method of manufacturing an electron gun17 Oct 2002US 2002/0149310 A1Koninklijke Philips Electronics N. V.
Most cited
By later US patents
- Electrostatic alignment of a charged particle beam13US 6,288,401 B1Etec Systems, Inc. · 2001
- Alignment apparatus for electron beam tube6US 4,253,078 ASony Corporation · 1981
- Electron gun for a cathode ray tube4US 4,205,254 AHitachi, Ltd. · 1980
- Color cathode ray tube with eddy current reducing electron gun3US 5,703,430 AU. S. Philips Corporation · 1997
- Display tube with magnetic correction elements2US 4,801,843 AU. S. Philips Corporation · 1989