HYDROSTATIC TRANSMISSION APPARATUS IMPARTING HIGH DRIVABILITY
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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N/A
Issued Date -
May 8, 2014
app pub date -
Apr 18, 2012
filing date -
Apr 18, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Importance

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Abstract
A hydrostatic transmission apparatus for a vehicle having at least two wheels, the second wheel being steerable, may include a main hydraulic pump, two hydraulic motors driving respective ones of the wheels, detection means for detecting that the second wheel is turned by being steered, a first synchronization duct between the first and second motors, and re-feed means for re-feeding the first synchronization duct, and suitable for acting, while the second motor is being fed by the first motor via the first synchronization duct, and when the second wheel is turned by being steered, to inject fluid into the first synchronization duct while limiting the pressure in said synchronization duct to a pressure less than a re-feed pressure that is significantly less than the high pressure of the pump.
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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POCLAIN HYDRAULICS INDUSTRIE | 60410 VERBERIE |
International Classification(s)

- 2012 Application Filing Year
- F15B Class
- 455 Applications Filed
- 349 Patents Issued To-Date
- 76.71 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Gostomski, Romain | Granges, FR | 3 | 7 |
# of filed Patents : 3 Total Citations : 7 | |||
Prigent, Andre | Saintines, FR | 11 | 38 |
# of filed Patents : 11 Total Citations : 38 |
Cited Art Landscape
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Patent Citation Ranking
- 2 Citation Count
- F15B Class
- 15.38 % this patent is cited more than
- 11 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Nov 8, 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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