
US Patent No: 6,700,351
Number of patents in Portfolio can not be more than 2000
Modular uninterruptible power supply battery management
Stats
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Mar 2, 2004
Issued date -
Feb 20, 2001
filing date -
09/789,099
serial no -
In Force
status
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Abstract
A modular uninterruptible power supply is disclosed, which provides complete redundancy for all components required for UPS operation. Novel aspects of the invention include design of the modules and their interconnection and interoperability, as well as improved operation techniques applicable to UPS systems generally.
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First Claim
Related Publications
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 5,982,652 Method and apparatus for providing uninterruptible power using a power controller and a redundant power controller | 116 | 1998 | |
| 6,201,319 Uninterruptible power supply | 72 | 1999 | |
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| 6,310,783 Modular method and apparatus for building an uninterruptible power system (UPS) | 67 | 2000 | |
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| 6,104,660 Battery module and battery managing system | 4 | 1998 | |
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| 4,947,310 Parallel operating system for alternate current output converters | 20 | 1989 | |
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| 6,396,170 Method and apparatus for coordinating uninterruptible power supply modules to provide scalable, redundant power | 15 | 2000 | |
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| 4,328,429 Method and apparatus for controlling inverters in parallel operation | 39 | 1980 | |
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| 5,200,643 Parallel electric power supplies with current sharing and redundancy | 28 | 1989 | |
Patent Citation Ranking
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Sep 2, 2015 |
| Fee | Large entity fee | small entity fee | micro entity fee |
|---|---|---|---|
| Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
| Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |