Cylinder head with fuel guiding portion
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Apr 11, 2017
Grant Date -
Oct 16, 2014
app pub date -
Sep 14, 2012
filing date -
Dec 13, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A cylinder head for an internal combustion engine is configured to be operated with fuel, such as gaseous or liquid fuel, to provide a more complete combustion of the fuel/air mixture. The cylinder head has at least one fuel guiding section, which includes a fuel inlet valve casing for accommodating a fuel inlet valve configured to control a fuel flow rate, a fuel/air mixing chamber for mixing the fuel with air, and a fuel guiding portion connecting the fuel inlet valve casing to the fuel/air mixture chamber. The fuel guiding portion is integrally formed with the cylinder head and defines at least a first fuel feeding passage and at least a second fuel feeding passage. The first fuel feeding passage and the second fuel feeding passage extend from the fuel inlet valve casing to the fuel/air mixing chamber.
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 | |
---|---|---|
CATERPILLAR MOTOREN GMBH & CO KG | 24159 KIEL |
International Classification(s)

- 2012 Application Filing Year
- F02M Class
- 1020 Applications Filed
- 873 Patents Issued To-Date
- 85.59 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Bleyer, Benjamin | Kiel, DE | 5 | 14 |
# of filed Patents : 5 Total Citations : 14 |
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Patent Citation Ranking
- 0 Citation Count
- F02M Class
- 0 % this patent is cited more than
- 8 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 | Oct 11, 2028 |
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 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text

Legal Events
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Sep 19, 2024 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 8TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1552); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 8 |
Sep 17, 2020 | 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 |
Apr 11, 2017 | I | Issuance | |
Mar 22, 2017 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Oct 16, 2014 | P | Published | |
Sep 14, 2012 | F | Filing | |
Dec 13, 2011 | PD | Priority Date | |
Nov 18, 2011 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:BLEYER, BENJAMIN;REEL/FRAME:033231/0880 Owner name: CATERPILLAR MOTOREN GMBH & CO. KG, GERMANY Effective Date: Nov 18, 2011 |

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