H01J 2225/36
Tubes in which an electron stream interacts with a wave travelling along
Official title: Tubes in which an electron stream interacts with a wave travelling along a delay line or equivalent sequence of impedance elements, and without magnet system producing an H-field crossing the E-field
H01J2225/36 (Tubes in which an electron stream interacts with a wave travelling along) appears on 10 US grants and 2 published applications in this corpus.
Search patents in H01J- Granted patents
- 10
- Published applications
- 2
- Assignees
- 8
- Inventors
- 16
- Latest grant
- 15 Jul 2003
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 4 | 0 |
| 2003 | 2 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Broadband, inverted slot mode, coupled cavity circuit15 Jul 2003US 6,593,695 B2Northrop Grumman Corporation
- Field emitting device comprising field-concentrating nanoconductor assembly and method for making the same25 Mar 2003US 6,538,367 B1Agere Systems Inc.
- Multibeam electronic tube with magnetic field for correcting beam trajectory26 Nov 2002US 6,486,605 B1Thomson Tubes Electroniques
- Broadband, inverted slot mode, coupled cavity circuit9 Jul 2002US 6,417,622 B2Northrop Grumman Corporation
- Tapered traveling wave tube12 Mar 2002US 6,356,022 B1AmpWave Tech, LLC
Most cited
By later US patents
- Field emitting device comprising field-concentrating nanoconductor assembly and method for making the same102US 6,538,367 B1Agere Systems Inc. · 2003
- Multibeam electronic tube with magnetic field for correcting beam trajectory10US 6,486,605 B1Thomson Tubes Electroniques · 2002
- Die and method for applying radial forces to an eccentric workpiece9US 5,658,181 AHughes Aircraft Company · 1997
- Traveling wave tube amplifier with reduced sever8US 6,356,023 B1AmpWave Tech, LLC · 2002
- Broadband, inverted slot mode, coupled cavity circuit8US 6,593,695 B2Northrop Grumman Corporation · 2003