POWER TRANSFORMERS AND METHODS OF MANUFACTURING TRANSFORMERS AND WINDINGS
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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N/A
Issued Date -
Aug 4, 2016
app pub date -
Feb 4, 2015
filing date -
Feb 4, 2015
priority date (Note) -
Published
status (Latency Note)
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Importance

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Abstract
A power transformer includes at least two first windings, at least two second windings interleaved with the at least two first windings, and a magnetic core. The at least two first windings and the at least two second windings are positioned adjacent the magnetic core. Each first winding includes a wire and a plurality of turns. One or more windings of the at least two first windings include a bonding material and at least two adjacent turns of said plurality of turns adhered to each other via the bonding material. Other example power transformers, methods of manufacturing power transformers, and methods of manufacturing windings are also disclosed.
First Claim
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Family
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
ASTEC INTERNATIONAL LIMITED | 16TH FLOOR LU PLAZA 2 WING YIP STREET KWUN TONG KOWLOON |
International Classification(s)

- 2015 Application Filing Year
- H01F Class
- 2018 Applications Filed
- 1634 Patents Issued To-Date
- 80.98 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
CHENG, Wo Oi | Kowloon, HK | 5 | 13 |
# of filed Patents : 5 Total Citations : 13 | |||
GRUESO, Alfredo Belmonte | Teresa, PH | 6 | 13 |
# of filed Patents : 6 Total Citations : 13 | |||
WONG, Chi Wai | Ma On Shan, HK | 7 | 61 |
# of filed Patents : 7 Total Citations : 61 |
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Patent Citation Ranking
- 12 Citation Count
- H01F Class
- 90.33 % this patent is cited more than
- 9 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Feb 4, 2028 |
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 |
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