Nozzle for dissolved air flotation system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Nov 7, 2017
Issued Date -
Jul 2, 2015
app pub date -
Nov 11, 2014
filing date -
Dec 31, 2013
priority date (Note) -
Published
status (Latency Note)
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Importance

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Abstract
A nozzle for a dissolved air flotation system includes a housing, a nozzle connector, and a nozzle body. The housing has an inlet formed at one side and an outlet formed at another side. The nozzle connector couples to the inlet and has an inflow path formed in a longitudinal direction. The nozzle body is disposed in the housing, and includes: a collision portion formed at a first end portion of the nozzle body such that a fluid introduced along the inflow path of the nozzle connector 10 changes its flow direction and collides with an inner wall of a side portion of the housing, a plurality of faces formed at sides of the nozzle body, a plurality of side paths defined between the faces and the inner wall of the housing, and a spurt hole defined at a second end portion of the nozzle body.
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 | |
---|---|---|
DOOSAN HEAVY INDUSTRIES & CONSTRUCTION CO LTD | GYEONGSANGNAM-DO 51711 |
International Classification(s)

- 2014 Application Filing Year
- B03D Class
- 56 Applications Filed
- 53 Patents Issued To-Date
- 94.65 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Park, Byung Sung | Incheon, KR | 8 | 11 |
# of filed Patents : 8 Total Citations : 11 | |||
Park, Sung Won | Gyeonggi-do, KR | 68 | 306 |
# of filed Patents : 68 Total Citations : 306 | |||
Park, Yong Hae | Busan, KR | 12 | 19 |
# of filed Patents : 12 Total Citations : 19 | |||
You, Seon Jae | Seoul, KR | 1 | 2 |
# of filed Patents : 1 Total Citations : 2 |
Cited Art Landscape
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Patent Citation Ranking
- 1 Citation Count
- B03D Class
- 28.57 % 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 |
---|---|---|---|---|
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | May 7, 2025 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | May 7, 2029 |
Fee | Large entity fee | small entity fee | micro entity fee |
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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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Legal Events
Date | Code | Event | Description |
---|---|---|---|
Nov 16, 2021 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 4 |
May 22, 2018 | I | Issuance | |
May 02, 2018 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Jul 14, 2016 | P | Published | |
Feb 15, 2016 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:SUGIYAMA, SHINJI;REEL/FRAME:037892/0123 Owner name: TS TECH CO., LTD., JAPAN Effective Date: Feb 15, 2016 |
Sep 05, 2014 | F | Filing | |
Sep 05, 2013 | PD | Priority Date |

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