H01J 2225/025
With an electron stream following a helical path
Official title: with an electron stream following a helical path
H01J2225/025 (With an electron stream following a helical path) appears on 6 US grants and 0 published applications in this corpus.
Search patents in H01J- Granted patents
- 6
- Published applications
- 0
- Assignees
- 8
- Inventors
- 14
- Latest grant
- 27 Oct 1998
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Magnetic system for gyrotrons forming a wavy magnetic field27 Oct 1998US 5,828,173 AForschungszentrum Karlsruhe GmbH
- Multi-stage depressed collector for small orbit gyrotrons14 Jul 1998US 5,780,970 ACalabazas Creek Research Center, Inc.
- Quasi-optical coupler with reduced diffraction29 Jul 1997US 5,652,554 AThomson Tubes Electroniques
- Cylindrical permanent magnet unit suitable for gyrotron19 Nov 1996US 5,576,679 AMitsubishi Denki Kabushiki Kaisha
- Quasi-optical oscillator using ring-resonator feedback12 Sep 1995US 5,450,041 AThe United States of America as represented by the Secretary of the Army
No published applications in this class yet.
Most cited
By later US patents
- Quasi-optical coupler with reduced diffraction229US 5,652,554 AThomson Tubes Electroniques · 1997
- Multi-stage depressed collector for small orbit gyrotrons39US 5,780,970 ACalabazas Creek Research Center, Inc. · 1998
- Cylindrical permanent magnet unit suitable for gyrotron13US 5,576,679 AMitsubishi Denki Kabushiki Kaisha · 1996
- Depressed collector for sorting radial energy level of a gyrating electron beam10US 5,420,478 ALitton Systems, Inc. · 1995
- Quasi-optical oscillator using ring-resonator feedback4US 5,450,041 AThe United States of America as represented by the Secretary of the Army · 1995