DOUBLE-HEAD DRAINAGE PUMP OF WASHING MACHINE
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
N/A
Issued Date -
N/A
app pub date -
Jul 3, 2015
filing date -
Jan 27, 2015
priority date (Note) -
Published
status (Latency Note)
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Importance

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Abstract
A double-head drainage pump of a washing machine includes a pump housing in which a water inlet is formed. A first water outlet and a second water outlet are formed in the pump housing. A first drainage motor is mounted on the pump housing corresponding to the first water outlet and a second drainage motor is mounted on the pump housing corresponding to the second water outlet. The first drainage motor controls opening/closing of the first water outlet, and the second drainage motor controls opening/closing of the second water outlet. The first water outlet and the second water outlet which share one water inlet are formed in the pump housing, the first water outlet is used for drainage of the washing machine, and the second water outlet is used for water reuse drainage.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
QINGDAO HAIER WASHING MACHINE CO LTD | QINGDAO SHANDONG 266101 |
International Classification(s)

- 2015 Application Filing Year
- D06F Class
- 565 Applications Filed
- 454 Patents Issued To-Date
- 80.36 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
HU, Haitao | Qingdao, Shandong, CN | 24 | 93 |
# of filed Patents : 24 Total Citations : 93 | |||
LI, Yimin | Qingdao, Shandong, CN | 146 | 1094 |
# of filed Patents : 146 Total Citations : 1094 | |||
PENG, Xiuwen | Qingdao, Shandong, CN | 13 | 23 |
# of filed Patents : 13 Total Citations : 23 | |||
XU, Sheng | Qingdao, Shandong, CN | 294 | 1874 |
# of filed Patents : 294 Total Citations : 1874 |
Cited Art Landscape
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Patent Citation Ranking
- 2 Citation Count
- D06F Class
- 38.41 % this patent is cited more than
- 7 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jul 25, 2025 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jul 25, 2029 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
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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