Rocker Arm Shaft with Improved Abrasion Resistance and Rocker Arm Shaft/Bush Assembly Comprising Same
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United States of America Patent
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N/A
Issued Date -
Sep 19, 2013
app pub date -
Nov 16, 2011
filing date -
Nov 18, 2010
priority date (Note) -
Published
status (Latency Note)
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Importance

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Non-US Coverage
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Abstract
The present disclosure relates to a rocker arm shaft and a rocker arm shaft/bush assembly including a rocker arm shaft, and a rocker arm bush which encloses the rocker arm shaft, in which the rocker arm shaft has a surface on which minutely processed concave-convex portions are formed, thereby achieving excellent lubricative characteristics and as a result having excellent abrasion resistance.
First Claim
all claims..Other Claims data not available
Family
Country | kind | publication No. | Filing Date | Type | Sub-Type |
---|---|---|---|---|---|
KR | B1 | KR101843196 | Nov 15, 2011 | Patent | Grant |
Type : Patent Sub-Type : Grant | |||||
PATENT SPECIFICATION | 내마모성이 개선된 로커암 샤프트 및 이를 포함하는 로커암 샤프트-부시 조립체 | Mar 29, 2018 | |||
EP | B1 | EP2642093 | Nov 16, 2011 | Patent | Grant |
Type : Patent Sub-Type : Grant | |||||
Patent | ROCKER ARM SHAFT WITH IMPROVED ABRASION RESISTANCE AND ROCKER ARM SHAFT/BUSH ASSEMBLY COMPRISING SAME | Mar 16, 2016 | |||
CN | B | CN103221646 | Nov 16, 2011 | Patent | Grant |
Type : Patent Sub-Type : Grant | |||||
GRANTED PATENT FOR INVENTION | The pitman arm shaft improving wear resistance and the swing arm sleeve cartridge module comprising this pitman arm shaft | Jan 20, 2016 | |||
WO | A2 | WO2012067426 | Nov 16, 2011 | Patent | Application |
Type : Patent Sub-Type : Application | |||||
INTERNATIONAL APPLICATION PUBLISHED WITHOUT INTERNATIONAL SEARCH REPORT or INTERNATIONAL APPLICATION PUBLISHED WITH DECLARATION UNDER ARTICLE 17 (2) (A) | 내마모성이 개선된 로커암 샤프트 및 이를 포함하는 로커암 샤프트-부시 조립체 | May 24, 2012 |
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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DOOSAN INFRACORE CO LTD | 7-11 HWASU-DONG DONG-GU INCHEON |
International Classification(s)

- 2011 Application Filing Year
- F16H Class
- 1649 Applications Filed
- 1291 Patents Issued To-Date
- 78.29 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Kim, Sung Gi | Seoul, KR | 41 | 665 |
# of filed Patents : 41 Total Citations : 665 | |||
Oh, Seok Ju | Gyeonggi-do, KR | 2 | 48 |
# of filed Patents : 2 Total Citations : 48 |
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Patent Citation Ranking
- 0 Citation Count
- F16H Class
- 0 % this patent is cited more than
- 12 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 | Mar 19, 2025 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
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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