H01J 2209/01
Generalised techniques
H01J2209/01 (Generalised techniques) appears on 122 US grants and 72 published applications in this corpus.
Search patents in H01J- Granted patents
- 122
- Published applications
- 72
- Assignees
- 79
- Inventors
- 308
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 10 | 0 |
| 1999 | 4 | 0 |
| 2000 | 12 | 0 |
| 2001 | 5 | 4 |
| 2002 | 10 | 4 |
| 2003 | 5 | 5 |
| 2004 | 6 | 3 |
| 2005 | 1 | 3 |
| 2006 | 2 | 8 |
| 2007 | 3 | 6 |
| 2008 | 0 | 2 |
| 2009 | 3 | 1 |
| 2010 | 3 | 3 |
| 2011 | 3 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 2 |
| 2018 | 1 | 2 |
| 2019 | 4 | 5 |
| 2020 | 7 | 3 |
| 2021 | 4 | 5 |
| 2022 | 2 | 3 |
| 2023 | 1 | 2 |
| 2024 | 3 | 3 |
| 2025 | 0 | 1 |
| 2026 | 1 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Mechanical design of electro-hydrodynamic air mover apparatus15 Sep 2026US 12,736,042 B2Ventiva, Inc.
- Methods of making a self-assembled slow-wave structures17 Sep 2024US 12,091,746 B2The Regents of the University of New Mexico
- Method and system for cleaning a field emission cathode device28 May 2024US 11,996,282 B2NCX Corporation
- Electron emitting element and method for manufacturing same30 Jan 2024US 11,887,802 B2National Institute of Advanced Industrial Science and Technology
- Field emission devices7 Nov 2023US 11,810,774 B2Government of the United States as Represented by the Secretary of the Air Force
- Process chamber process kit with protective coating3 Sep 2026US 2026/0260852 A1APPLIED Materials.Inc.
- Cathode and manufacturing method thereof23 Jul 2026US 2026/0213111 A1Shanghai United Imaging Healthcare Co., Ltd.
- X-ray rotating anode with two different grain structures in the focal track coating16 Jul 2026US 2026/0204507 A1Plansee SE
- Electrode cleaning apparatus for electro-hydrodynamic air mover device9 Apr 2026US 2026/0097422 A1Ventiva, Inc.
- Mechanical design of electro-hydrodynamic air mover apparatus9 Apr 2026US 2026/0098526 A1Ventiva, Inc.
Most cited
By later US patents
- Method of photolithographically metallizing at least the inside of holes arranged in accordance with a pattern in a plate of an electrically insulating material51US 5,744,283 AU. S. Philips Corporation · 1998
- Field emission display with non-evaporable getter material37US 5,789,859 AMicron Display Technology, Inc. · 1998
- Field emission display with non-evaporable getter material34US 6,127,777 AMicron Technology, Inc. · 2000
- Anti-reflection high conductivity multi-layer coating on CRT surface made by vacuum sputtering and wet coating32US 6,337,771 B12002
- Method for fabricating pattern, apparatus for fabricating pattern, conductive film wiring, method for fabricating device, electro-optical apparatus, and electronic apparatus32US 6,810,814 B2Seiko Epson Corporation · 2004