Crankcase gas separator
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jul 25, 2017
Grant Date -
Aug 28, 2014
app pub date -
Oct 19, 2012
filing date -
Oct 20, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A gas separator for removing contaminants from a crankcase gas which is produced during operation of an internal combustion engine includes a centrifugal rotor with a plurality of separation discs for separating the contaminants from the crankcase gas, the centrifugal rotor being arranged inside a stationary rotor housing having a gas inlet for conducting crankcase gas to the centrifugal rotor and a gas outlet for discharging the cleaned crankcase gas from the centrifugal rotor, and an electric motor which is arranged for rotation of the centrifugal rotor about a rotational axis, and A gear device is arranged between the electric motor and the centrifugal rotor, the gear device having a gear ratio arranged to increase the rotational speed of the centrifugal rotor in relation to the electric motor.
First Claim
all claims..Other Claims data not available
Family
Country | kind | publication No. | Filing Date | Type | Sub-Type |
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- ALFA LAVAL CORPORATE AB
International Classification(s)

- 2012 Application Filing Year
- B04B Class
- 93 Applications Filed
- 79 Patents Issued To-Date
- 84.95 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Szepessy, Stefan | Huddinge, SE | 22 | 473 |
# of filed Patents : 22 Total Citations : 473 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 5 Citation Count
- B04B Class
- 13.41 % 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 | Jan 25, 2025 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jan 25, 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 |
Full Text

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Jan 07, 2019 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 4TH YR, SMALL ENTITY (ORIGINAL EVENT CODE: M2551); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY year of fee payment: 4 |
Aug 04, 2015 | I | Issuance | |
Jul 15, 2015 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Nov 01, 2014 | FEPP | FEE PAYMENT PROCEDURE | free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY |
Jul 19, 2012 | P | Published | |
Dec 14, 2011 | F | Filing | |
Dec 05, 2011 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:YEA, KWON-HAE;CHA, HYUNGKI;LEE, SUNG-MAN;AND OTHERS;REEL/FRAME:027386/0059 Owner name: KOREA ATOMIC ENERGY RESEARCH INSTITUTE, KOREA, REP Effective Date: Dec 05, 2011 |
Dec 20, 2010 | PD | Priority Date |

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