AFT ADVANCED FERRITE TECHNOLOGY GMBH

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01P WAVEGUIDES; RESONATORS, LINES OR OTHER DEVICES OF THE WAVEGUIDE TYPE 159
 
  
 
H03J TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS 19

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5510756 Strip transmission line having a tunable electric lengthOct 12, 94Apr 23, 96[H01P, H03J]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5430417 Tunable matching networkExpiredJan 04, 94Jul 04, 95[H01P]
5075654 Resonator tuning arrangementExpiredNov 29, 90Dec 24, 91[H01P, H03J]
4837528 Microwave phase shifterExpiredFeb 17, 88Jun 06, 89[H01P]
4810979 Microwave junction circulatorExpiredOct 02, 87Mar 07, 89[H01P]
4794352 High power junction circulator for high frequenciesExpiredOct 02, 87Dec 27, 88[H01P]
4771252 High power waveguide junction circulator having ferrite suspension at the junctionExpiredOct 02, 87Sep 13, 88[H01P]
4717895 High-frequency, high-power waveguide junction circulatorExpiredJul 29, 86Jan 05, 88[H01P]

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