H01J 29/003
Arrangements for eliminating unwanted electromagnetic effects
Official title: {Arrangements for eliminating unwanted electromagnetic effects, e.g. demagnetisation arrangements, shielding coils (H01J29/06, H01J29/867 take precedence; demagnetisation in general H01F13/00; circuit arrangements therefor H04N9/29; screening of apparatus against electric or magnetic fields H05K9/00)}
H01J29/003 (Arrangements for eliminating unwanted electromagnetic effects) appears on 189 US grants and 25 published applications in this corpus.
Search patents in H01J- Granted patents
- 189
- Published applications
- 25
- Assignees
- 76
- Inventors
- 363
- Latest grant
- 25 May 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 8 | 0 |
| 1990 | 11 | 0 |
| 1991 | 11 | 0 |
| 1992 | 7 | 0 |
| 1993 | 14 | 0 |
| 1994 | 9 | 0 |
| 1995 | 17 | 0 |
| 1996 | 12 | 0 |
| 1997 | 11 | 0 |
| 1998 | 22 | 0 |
| 1999 | 11 | 0 |
| 2000 | 10 | 0 |
| 2001 | 4 | 0 |
| 2002 | 7 | 2 |
| 2003 | 4 | 5 |
| 2004 | 5 | 5 |
| 2005 | 2 | 2 |
| 2006 | 1 | 2 |
| 2007 | 1 | 2 |
| 2008 | 1 | 2 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Electromagnetic interference containment for accelerator systems25 May 2021US 11,017,975 B2Varian Medical Systems, Inc.
- Electromagnetic interference containment for accelerator systems28 Jan 2020US 10,546,711 B2Varian Medical Systems, Inc.
- Electromagnetic interference containment for accelerator systems30 Jul 2019US 10,366,859 B2Varian Medical Systems, Inc.
- Structure for controlling flashover in MEMS devices15 May 2018US 9,969,611 B1Eagle Technology, LLC
- Field emission panel with a charging prevention resistance unit27 Aug 2013US 8,519,604 B2Samsung Electronics Co., Ltd.
- Electromagnetic interference containment for accelerator systems30 Apr 2020US 2020/0135423 A1Varian Medical Systems, Inc.
- Electromagnetic interference containment for accelerator systems14 Nov 2019US 2019/0348248 A1Varian Medical Systems, Inc.
- Electromagnetic interference containment for accelerator systems1 Mar 2018US 2018/0061609 A1Varian Medical Systems, Inc.
- Field emission panel3 Jan 2013US 2013/0002119 A1Samsung Electronics Co., Ltd.
- Magnetic Field Compensation Apparatus for Cathode Ray Tube30 Apr 2009US 2009/0108729 A1
Most cited
By later US patents
- Apparatus for suppressing field radiation from display device142US 5,260,626 ANanao Corporation · 1993
- Method and apparatus for reducing the intensity of magenetic field emissions from display device128US 5,594,615 AMTI, Inc. · 1997
- Method and apparatus for reducing the intensity of magnetic field emissions from video display units127US 5,561,333 AMTI, Inc. · 1996
- Display device105US 6,359,390 B1Mitsubishi Denki Kabushiki Kaisha · 2002
- Light-weight night vision device64US 5,365,057 ALitton Systems, Inc. · 1994