THROTTLE VALVE
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
N/A
app pub date -
Dec 16, 2015
filing date -
Dec 23, 2014
priority date (Note) -
Abandoned
status (Latency Note)
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Importance

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Abstract
A housing (22) is provided with a valve body mounting hole 22A one end of which opens to an outside thereof and that extends in the axis line (O1-O1) direction. A valve body (25) having an oil chamber (26) formed inside thereof is mounted in the valve body mounting hole (22A). The valve body (25) is provided with throttle holes (27) that establish communication between an inflow part (23) and the oil chamber (26) of the housing (22) and restrict the oil flowing into the oil chamber (26), and communicating holes (28) that establish communication between an outflow part (24) and the oil chamber (26) of the housing (22). When a total oil passage cross-sectional area of the throttle holes (27) is indicated at A, and a minimum oil passage cross-sectional area of the oil chamber (26) is indicated at B, a relation of A
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
HITACHI CONSTRUCTION MACHINERY CO LTD | 16-1 HIGASHIUENO 2-CHOME TAITO-KU TOKYO 110-0015 |
International Classification(s)

- 2015 Application Filing Year
- F15B Class
- 624 Applications Filed
- 480 Patents Issued To-Date
- 76.93 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
ITO, Hideaki | Katori-shi, JP | 129 | 1073 |
# of filed Patents : 129 Total Citations : 1073 | |||
KUMAGAI, Kento | Inashiki-gun, JP | 18 | 31 |
# of filed Patents : 18 Total Citations : 31 |
Cited Art Landscape
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Patent Citation Ranking
- 0 Citation Count
- F15B Class
- 0 % this patent is cited more than
- 9 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 | Dec 23, 2027 |
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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