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• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
TUBOSCOPE I/P INC	2835 HOLMES ROAD HOUSTON TX 77001

International Classification(s)

• F16L:PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR ....
• E21B:EARTH OR ROCK DRILLING

• 2000 Application Filing Year
• F16L Class
• 865 Applications Filed
• 407 Patents Issued To-Date
• 47.06 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Ackroyd, Warren	Poole Dorset, GB	2	9
# of filed Patents : 2 Total Citations : 9
Parker, Robert	Dorset, GB	117	2649
# of filed Patents : 117 Total Citations : 2649

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Patent Citation Ranking

• 8 Citation Count
• F16L Class

• 1.64 % this patent is cited more than
• 23 Age

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

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

Full Text

US Patent No: 9850503

Control of conductivity in anaerobic fermentation

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Abstract

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Process are provided which are effective for controlling medium conductivity during fermentation of a CO-containing gaseous substrate while providing an STY of about 10 g ethanol/(L·day) or more. The process includes balancing medium conductivity, specific carbon uptake or cell density levels.

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Description

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Claims

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• SULP2013
• REMI2013
• AS2012
• AS�2011
• FPAY2008
• AS�2007
• AS2007
• I2005
• P2004
• F2004
• PD2000

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Sep 30, 2004	P	Published
Apr 12, 2004	F	Filing
Aug 10, 2000	PD	Priority Date