Spraying washing device of drum washing machine and washing method and the drum washing machine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 19, 2017
Issued Date -
N/A
app pub date -
Jun 18, 2012
filing date -
Dec 19, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A drum washing machine is provided with a double spraying system used for washing the window and the window gasket ring respectively. A first spraying nozzle is connected with the inlet solenoid valve of the washing machine to wash the outer surface of the watching window and the window gasket ring, and a second spraying nozzle to wash the folded inner wall of the window gasket ring. The spraying nozzles are connected to the solenoid valve through a three-way pipe, or connected to the solenoid valve of the washing machine through respective pipes. The double spraying system intakes water and soaks the clothes in the washing process, and/or intakes water and sprays the watching window and the window gasket ring simultaneously, and/or sprays the watching window and the window gasket ring when dehydrating the clothes in the dehydrating process.
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 | |
---|---|---|
HAIER GROUP CORPORATION | QINGDAO SHANDONG 266101 | |
QINGDAO HAIER DRUM WASHING MACHINE CO LTD | QINGDAO SHANDONG 266101 |
International Classification(s)

- 2012 Application Filing Year
- D06F Class
- 293 Applications Filed
- 264 Patents Issued To-Date
- 90.11 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
He, Yunfeng | Qingdao, CN | 19 | 72 |
# of filed Patents : 19 Total Citations : 72 | |||
Li, Zeheng | Qingdao, CN | 3 | 36 |
# of filed Patents : 3 Total Citations : 36 | |||
Yang, Huibin | Qingdao, CN | 13 | 28 |
# of filed Patents : 13 Total Citations : 28 | |||
Zhang, Huacheng | Qingdao, CN | 23 | 104 |
# of filed Patents : 23 Total Citations : 104 |
Cited Art Landscape
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Patent Citation Ranking
- 2 Citation Count
- D06F Class
- 38.89 % this patent is cited more than
- 8 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Mar 19, 2025 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Mar 19, 2029 |
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