Assignee
NORTHERN TECHNOLOGIES INC
US·3 granted patents·24 citations·filing 2001–2004
Top patents by PatentIndex Score
3 records- 0148US7158041B2Electrical protection device and method for a communication circuitNORTHERN TECHNOLOGIES INC·Filed 2004·Granted Jan 2, 2007·7 cites·39 claims
- 0248US6731484B2Integrated high voltage transient surge suppression with automatic transfer switch for alternate source of electricityNORTHERN TECHNOLOGIES INC·Filed 2001·Granted May 4, 2004·14 cites·28 claims
- 0340US6567254B2Methods and systems for reducing clamp voltages in surge protection circuitryNORTHERN TECHNOLOGIES INC·Filed 2001·Granted May 20, 2003·3 cites·8 claims
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