GAS PURGING SYSTEM FOR SHIP
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 -
Mar 27, 2025
app pub date -
Aug 29, 2023
filing date -
Aug 29, 2023
priority date (Note) -
Published
status (Latency Note)
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Importance

US Family Size
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Non-US Coverage
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Abstract
Disclosed herein is a gas purging system for ships having an engine fueled by fuel gas. The gas purging system includes: a fuel supply line along which fuel gas is supplied to the engine; a gas valve unit disposed on the fuel supply line to control a pressure of the fuel gas; and a purge line along which nitrogen gas is supplied to the engine to purge an interior of the engine and an interior of the fuel supply line, wherein the nitrogen gas is directly supplied to the engine along the purge line, purges the interior of the engine and the fuel supply line, and is discharged to outside atmosphere through the gas valve unit.
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 | |
---|---|---|
HANWHA OCEAN CO LTD | 3370 GEOJE-DAERO GEOJE-SI GYEONGSANGNAM-DO 53302 53302 |
International Classification(s)

- 2023 Application Filing Year
- F02M Class
- 355 Applications Filed
- 169 Patents Issued To-Date
- 47.61 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
KIM, Jong Hyun | Geoje-si, Gyeongsangnam-do, KR | 208 | 2112 |
# of filed Patents : 208 Total Citations : 2112 | |||
SEO, Min Su | Busan, KR | 4 | 2 |
# of filed Patents : 4 Total Citations : 2 |
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Patent Citation Ranking
- 0 Citation Count
- F02M Class
- 0 % this patent is cited more than
- < 1 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Sep 27, 2028 |
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Sep 27, 2032 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Sep 27, 2036 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge - 3.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
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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