H01J 2223/0275
Multistage collectors
H01J2223/0275 (Multistage collectors) appears on 6 US grants and 4 published applications in this corpus.
Search patents in H01J- Granted patents
- 6
- Published applications
- 4
- Assignees
- 6
- Inventors
- 19
- Latest grant
- 12 Jun 2007
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Collector arrangement12 Jun 2007US 7,230,385 B2E2V Technologies (UK) Limited
- Linear-beam microwave tube7 Sep 2004US 6,787,997 B2NEC Microwave Tube, Ltd.
- Inductive output tube with multi-staged depressed collector having improved efficiency9 Sep 2003US 6,617,791 B2L-3 Communications Corporation
- Electronic power conditioner anode voltage control8 May 2001US 6,229,262 B1Hughes Electronics Corporation
- Efficient, highly linear traveling wave tube using collector with high backstreaming current under saturated drive24 Aug 1999US 5,942,852 AHughes Electronics Corporation
- Collector arrangement14 Dec 2006US 2006/0279219 A1E2V Technologies (UK) Limited
- Collector arrangement1 Sep 2005US 2005/0189881 A1E2V Technologies Limited
- Linear-beam microwave tube29 May 2003US 2003/0098655 A1NEC Microwave Tube, Ltd.
- Inductive output tube with multi-staged depressed collector having improved efficiency5 Dec 2002US 2002/0180362 A1L-3 Communications Corporation
Most cited
By later US patents
- Efficient, highly linear traveling wave tube using collector with high backstreaming current under saturated drive10US 5,942,852 AHughes Electronics Corporation · 1999
- Inductive output tube with multi-staged depressed collector having improved efficiency8US 6,617,791 B2L-3 Communications Corporation · 2003
- Electronic power conditioner anode voltage control3US 6,229,262 B1Hughes Electronics Corporation · 2001
- Collector surface for a microwave tube comprising a carbon-bonded carbon-fiber composite2US 5,786,666 ALockheed Martin Energy Systems, Inc. · 1998
- Linear-beam microwave tube1US 6,787,997 B2NEC Microwave Tube, Ltd. · 2004