Two position valve with face seal and pressure relief port
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 30, 2018
Issued Date -
N/A
app pub date -
Mar 13, 2014
filing date -
Mar 15, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A shock absorber has a housing with a piston rod assembly disposed therein. A first rod guide member is secured within a first portion of the housing so as to be concentrically disposed about at least a portion of the piston rod assembly. A second rod guide member is secured within the housing adjacent the first rod guide member so as to be concentrically disposed about at least another portion of the piston rod assembly. A digital valve assembly is disposed within the second rod guide member and fluidly couples chambers within the shock absorber.
First Claim
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
TENNECO AUTOMOTIVE OPERATING COMPANY INC | 500 NORTH FIELD DRIVE LAKE FOREST IL 60045 |
International Classification(s)

- 2014 Application Filing Year
- F16F Class
- 842 Applications Filed
- 712 Patents Issued To-Date
- 84.57 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Gardner, Jeffrey T | Woodland Park, US | 17 | 251 |
# of filed Patents : 17 Total Citations : 251 | |||
Mallin, Thomas P | Temperance, US | 14 | 281 |
# of filed Patents : 14 Total Citations : 281 | |||
McGahey, John | Trenton, US | 5 | 75 |
# of filed Patents : 5 Total Citations : 75 | |||
Roessle, Matthew L | Temperance, US | 25 | 410 |
# of filed Patents : 25 Total Citations : 410 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 2 Citation Count
- F16F Class
- 42.26 % this patent is cited more than
- 7 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jul 30, 2025 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jul 30, 2029 |
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 |
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Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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