FILTER HEAD, AND FILTER ASSEMBLY AND WATER TREATMENT APPARATUS HAVING THE SAME
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 -
May 8, 2014
app pub date -
Jun 29, 2012
filing date -
Jun 30, 2011
priority date (Note) -
Published
status (Latency Note)
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Importance

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Abstract
The filter head having a filter head main body includes: an inflow passage communicating with an inflow portion; an outflow passage communicating with an outflow portion; a filter introduction hole communicating with the inflow passage, to which an introduction portion of a filter is connected when the filter is mounted; a filter discharge hole communicating with the outflow passage, to which a discharge portion of the filter is connected when the filter is mounted; and a bypass flow channel connecting the inflow passage and the outflow passage and allowing the remaining flow of the fluid introduced through the inflow portion to pass therethrough so as to be expelled together with the fluid which has passed through the filter, through the outflow portion.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
COWAY CO LTD | CHUNGNAM SOUTH KOREA |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Kwon, Claude | Seoul, KR | 3 | 33 |
# of filed Patents : 3 Total Citations : 33 | |||
Lee, Jun-Young | Seoul, KR | 131 | 864 |
# of filed Patents : 131 Total Citations : 864 | |||
Moon, Hyoung-Min | Seoul, KR | 23 | 77 |
# of filed Patents : 23 Total Citations : 77 | |||
Seo, Young-Ju | Seoul, KR | 3 | 4 |
# of filed Patents : 3 Total Citations : 4 |
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Patent Citation Ranking
- 2 Citation Count
- B01D Class
- 9.70 % this patent is cited more than
- 11 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Nov 8, 2025 |
Fee | Large entity fee | small entity fee | micro entity fee |
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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 |
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