H01J 29/68
Using permanent magnets only
Official title: using permanent magnets only
H01J29/68 (Using permanent magnets only) appears on 46 US grants and 5 published applications in this corpus.
Search patents in H01J- Granted patents
- 46
- Published applications
- 5
- Assignees
- 12
- Inventors
- 46
- Latest grant
- 19 Nov 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 12 | 0 |
| 2000 | 2 | 0 |
| 2001 | 8 | 0 |
| 2002 | 1 | 1 |
| 2003 | 4 | 1 |
| 2004 | 1 | 0 |
| 2005 | 2 | 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 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Systems and methods for electron beam focusing in electron beam additive manufacturing19 Nov 2024US 12,148,592 B2General Electric Company
- Systems and methods for electron beam focusing in electron beam additive manufacturing5 Dec 2023US 11,837,428 B2General Electric Company
- Permanent-magnet particle beam apparatus and method incorporating a non-magnetic metal portion for tunability19 Feb 2019US 10,211,021 B2KLA-Tencor Corporation
- Discrete magnets in dielectric forming metal/ceramic laminate and process thereof13 Dec 2005US 6,974,358 B2International Business Machines Corporation
- Active correction technique for a magnetic matrix display13 Dec 2005US 6,975,289 B1International Business Machines Corporation
- Systems and methods for electron beam focusing in electron beam additive manufacturing22 Feb 2024US 2024/0062983 A1General Electric Company
- Systems and methods for electron beam focusing in electron beam additive manufacturing3 Feb 2022US 2022/0037105 A1General Electric Company
- Permanent-magnet particle beam apparatus and method incorporating a non-magnetic metal portion for tunability12 Oct 2017US 2017/0294286 A1KLA-Tencor Corporation
- Discrete magnets in dielectric forming metal/ceramic laminate and process thereof6 Nov 2003US 2003/0205967 A1International Business Machines Corporation
- Grid electrodes for a display device20 Jun 2002US 2002/0074934 A1International Business Machines Corporation
Most cited
By later US patents
- Flat tube display apparatus40US 5,227,691 AMatsushita Electric Industrial Co., Ltd. · 1993
- Method of forming perforated metal/ferrite laminated magnet13US 5,857,883 AInternational Business Machines Corporation · 1999
- Auto-stereoscopic display device and system13US 6,275,254 B1International Business Machines Corporation · 2001
- Electron source11US 5,760,548 AInternational Business Machines Corporation · 1998
- Method of addressing a magnetic matrix electron source flat panel display11US 6,040,808 AInternational Business Machines Corporation · 2000