Apparatus and methods for servicing a hydraulic choke
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jun 19, 2007
Grant Date -
Mar 8, 2007
app pub date -
Nov 9, 2006
filing date -
Oct 2, 2003
priority date (Note) -
In Force
status (Latency Note)
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Importance

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Abstract
An embodiment of the invention involves a method for servicing a choke valve that includes disconnecting a choke actuator and at least one internal valve component engaged therewith from the choke valve body of the choke valve and moving the same in a generally linear path away from the choke valve body along the axis of the choke valve body.
First Claim
all claims..Other Claims data not available
Family
Country | kind | publication No. | Filing Date | Type | Sub-Type |
---|---|---|---|---|---|
US | B2 | US7159604 | Apr 27, 2004 | Patent | Grant |
Type : Patent Sub-Type : Grant | |||||
GRANTED PATENT AS SECOND PUBLICATION | Manipulator system for servicing a hydraulic choke | Jan 09, 2007 |
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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ADS SERVICES LLC | 1517 ECR 120 MIDLAND TX 79706 |
International Classification(s)

- 2006 Application Filing Year
- F16K Class
- 863 Applications Filed
- 571 Patents Issued To-Date
- 66.17 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
McCaskill, John Walton | Jersey Village, TX | 4 | 128 |
# of filed Patents : 4 Total Citations : 128 | |||
Schmidt, David A | Houston, TX | 12 | 157 |
# of filed Patents : 12 Total Citations : 157 | |||
Schmidt, Robert F | Cypress, TX | 7 | 58 |
# of filed Patents : 7 Total Citations : 58 |
Cited Art Landscape
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Patent Citation Ranking
- 2 Citation Count
- F16K Class
- 5.12 % this patent is cited more than
- 18 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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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
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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