Company Filing History:

3 out of 225

Abb Power Td & Company

Abb T&d Technology Ltd.

patents

6. 1 out of 832,680

Other

patents

Years Active: 2000-2005

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6930897 - Fuel cell inverter (2005-08-16),

2. 6881509 - Fuel cell system power control method and system (2005-04-19),

3. 6639512 - Environmental warning system (2003-10-28),

4. 6577111 - Controlling magnetizing current in a transformer by comparing the difference between first and second positive peak values of the magnetizing current with a threshold (2003-06-10),

5. 6541940 - Load follower using batteries exhibiting memory (2003-04-01),

6. 6535403 - Systems and methods for inverter waveform smoothing (2003-03-18),

7. 6369461 - High efficiency power conditioner employing low voltage DC bus and buck and boost converters (2002-04-09),

8. 6304006 - Energy management uninterruptible power supply system (2001-10-16),

9. 6184593 - Uninterruptible power supply (2001-02-06),

10. 6169390 - Flywheel-microturbine system (2001-01-02),

11. 6134124 - Universal distributed-resource interface (2000-10-17),

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For the Inventor, By the Inventor

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Company Filing History:

Years Active: 2000-2005