Company Filing History:

5 out of 42

Protonex Technology Corporation

Years Active: 2011-2013

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8580457 - Fuel cell stack sealed with encapsulating material and method of making the same (2013-11-12),

2. 8137436 - Humidifier membrane (2012-03-20),

3. 8124292 - Fuel cell stacks and methods (2012-02-28),

4. 7914947 - Insert-molded, externally manifolded, sealed membrane based electrochemical cell stacks (2011-03-29),

5. 7887974 - Insert-molded, externally manifolded, sealed membrane based electrochemical cell stacks (2011-02-15),

6. 7879507 - Insert-molded, externally manifolded, one-shot sealed membrane based electrochemical cell stacks (2011-02-01),

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1 patent (CIPO):

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1 patent (EPO):

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1 patent pending (EPO):

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Company Filing History:

Years Active: 2011-2013