PISTON WITH OIL RESERVOIR
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Jul 30, 2015
app pub date -
Sep 13, 2013
filing date -
Sep 20, 2012
priority date (Note) -
Published
status (Latency Note)
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Importance

US Family Size
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Abstract
A piston may include a piston body having a piston skirt. The piston may further include at least one piston ring groove arranged in the piston skirt. A lowermost piston ring groove may be arranged in a first plane and at least one blind hole may extend at least partially from the lowermost piston ring groove into the piston body. Each blind hole may act as an oil reservoir contributing to lubrication between the piston skirt and a cylinder liner during movement of the piston.
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 ENERGY SOLUTIONS GMBH | CARL-BENZ-STRASSE 1 MANNHEIM 68167 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Aschenbrenner, Steven | Lampertheim, DE | 1 | 1 |
# of filed Patents : 1 Total Citations : 1 | |||
Berger, Olaf | Dudenhofen, DE | 7 | 8 |
# of filed Patents : 7 Total Citations : 8 | |||
Dembinski, Andreas | Wollstein, DE | 1 | 1 |
# of filed Patents : 1 Total Citations : 1 |
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Patent Citation Ranking
- 1 Citation Count
- B23P Class
- 24.44 % this patent is cited more than
- 10 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 | Jan 30, 2027 |
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 |
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