Water drain system for oil reserve tank

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9920667
SERIAL NO

14409677

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

The present invention relates to a water drain system of an oil reserve tank, which comprises: an oil reserve tank; an oil and water separator for separating the drained water coming from the oil reserve tank; a drain pipe extended from the oil reserve tank to the oil and water separator, the drain pipe having a vertical part to form a step; and a water detection sensor installed in the vertical part.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
SK INNOVATION CO LTD(SEORIN-DONG) 26 JONG-RO JONGNO-GU SEOUL 03188
SK ENERGY CO LTD26 JONG-RO JONGNO-GU SEOUL 03188
SK ON CO LTD26 JONG-RO JONGNO-GU SEOUL 03188

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bae, Ki Young Ulsan, KR 1 0
Choi, Hye Min Ulsan, KR 5 0
Hong, Cheol Ulsan, KR 1 0
Kim, Yoo Keun Ulsan, KR 1 0
Kwon, Chi Myong Ulsan, KR 1 0
Lee, Jang Heon Ulsan, KR 2 0
Park, Hee Duck Ulsan, KR 2 8

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
7.5 Year Payment $3600.00 $1800.00 $900.00 Sep 20, 2025
11.5 Year Payment $7400.00 $3700.00 $1850.00 Sep 20, 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