H01J 7/44
One or more circuit elements structurally associated with the tube or lamp
H01J7/44 (One or more circuit elements structurally associated with the tube or lamp) appears on 41 US grants and 30 published applications in this corpus.
Search patents in H01J- Granted patents
- 41
- Published applications
- 30
- Assignees
- 27
- Inventors
- 68
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 2 |
| 2003 | 2 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 2 |
| 2006 | 1 | 5 |
| 2007 | 0 | 1 |
| 2008 | 7 | 0 |
| 2009 | 2 | 2 |
| 2010 | 0 | 0 |
| 2011 | 2 | 2 |
| 2012 | 2 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 4 |
| 2015 | 2 | 2 |
| 2016 | 3 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 2 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 2 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Surface mount electrical devices and methods23 Jun 2026US 12,665,155 B2Bourns, Inc.
- Electrical device having improved surface mounting electrodes20 Aug 2024US 12,068,126 B2Bourns, Inc.
- Method and device for operating a liquid metal-ion source or liquid metal electron source as well as a liquid metal-ion source or liquid metal electron source18 Jul 2023US 11,705,299 B2Technische UniversitäT Dresden
- Germicidal amalgam lamp with temperature sensor for optimized operation23 Nov 2021US 11,183,380 B2Xylem Europe GbmH
- Apparatus and methods for generating and enhancing Smith-Purcell radiation10 Dec 2019US 10,505,334 B2Massachusetts Institute of Technology
- Surface mount electrical devices and methods12 Dec 2024US 2024/0412937 A1Bourns, Inc.
- Ion generating apparatus22 Feb 2024US 2024/0062982 A1Sharp Semiconductor Innovation Corporation
- Electrical device having improved surface mounting electrodes14 Sep 2023US 2023/0290602 A1Bourns, Inc.
- Method and device for operating a liquid metal-ion source or liquid metal electron source as well as a liquid metal-ion source or liquid metal electron source9 Dec 2021US 2021/0383994 A1Technische UniversitäT Dresden
- Germicidal amalgam lamp with temperature sensor for optimized operation25 Feb 2021US 2021/0057205 A1Xylem Europe GmbH
Most cited
By later US patents
- Plasma lamp with dielectric waveguide108US 6,737,809 B2Luxim Corporation · 2004
- Cold cathode field emission device with integral emitter ballasting99US 5,142,184 A1992
- Plasma lamp with dielectric waveguide75US 7,348,732 B2Luxim Corporation · 2008
- Regulatable field emitter device and method of production thereof72US 5,359,256 AThe United States of America as represented by the Secretary of the Navy · 1994
- Plasma lamp with dielectric waveguide72US 7,362,056 B2Luxim Corporation · 2008