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

Patent Owner(s)

Patent Owner	Address
SOLRAY HOLDINGS LIMITED	CF & JD BATHURST 34 COLERIDGE STREET SYDENHAM CHRISTCHURCH 8023 NEW ZEALAND

International Classification(s)

• F17D:PIPE-LINE SYSTEMS; PIPE-LINES
• F04B:POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
• G05D:SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC....
• B09B:DISPOSAL OF SOLID WASTE
• C10G:CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HY....
• B01D:SEPARATION

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Bathurst, Christopher Francis	Christchurch, NZ	9	108

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
7.5 Year Payment	$3600.00	$1800.00	$900.00	Feb 28, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Feb 28, 2029

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 7.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
August 29, 2017	US,9746135,B2   US9746135B2	GRANTED PATENT AS SECOND PUBLICATION
May 23, 2013	US,20130126002,A1   US20130126002A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9746135

System and process for equalization of pressure of a process flow stream across a valve

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