Rotating group of a hydraulic machine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jul 22, 2008
Grant Date -
Aug 11, 2005
app pub date -
Feb 11, 2004
filing date -
Feb 11, 2004
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A hydraulic machine-has a rotating group located within a housing and a port plate to control flow from the barrel of the rotating group to inlet and outlet ports. The port plate is sealed against one of the housing or barrel and sleeves extend between the other of the housing or barrel to accommodate misalignment between the barrel and housing as the barrel rotates.
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 | |
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CONCENTRIC ROCKFORD INC | 2222 15TH STREET ROCKFORD IL 61104 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Kadlicko, George | Rockford, IL | 30 | 331 |
# of filed Patents : 30 Total Citations : 331 |
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Patent Citation Ranking
- 1 Citation Count
- F04B Class
- 3.58 % this patent is cited more than
- 17 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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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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