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

Patent Owner(s)

Patent Owner	Address
THE ROBOT FACTORY LLC	41 UNION SQUARE WEST SUITE 808 NEW YORK NY 10003

International Classification(s)

• 1599:MISCELLANEOUS

• 2007 Application Filing Year
• 1599 Class
• 36 Applications Filed
• 36 Patents Issued To-Date
• 100 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Mitchell, Oliver B	New York, NY	10	95
# of filed Patents : 10 Total Citations : 95

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Patent Citation Ranking

• 10 Citation Count
• 1599 Class

• 0 % this patent is cited more than
• 17 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: 6926083

Cement heating tool for oil and gas well completion

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Abstract

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Apparatus and method for setting cement in the annulus of an oil or gas well during well completion or other similar well operations. An induction heating tool is lowered to a desired position within the well casing and power is supplied to the tool to heat the casing and the cement which has been injected in the annulus adjacent the heated well casing and the wellbore.

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Description

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Claims

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Legal Events

 

• MAFP2024
• MAFP2020
• I2017
• STCF2017
• P2016
• F2015
• AS2015
• PD2014

Date	Code	Event	Description
Sep 13, 2024	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 8TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1552); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 8
May 05, 2020	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 4
May 02, 2017	I	Issuance
Apr 12, 2017	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Sep 29, 2016	P	Published
Mar 23, 2015	F	Filing
Mar 23, 2015	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:SHIH, PO-YUAN;CHEN, PO-YU;REEL/FRAME:039963/0026 Owner name: SINTAI OPTICAL (SHENZHEN) CO., LTD., CHINA Effective Date: Mar 23, 2015 free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:SHIH, PO-YUAN;CHEN, PO-YU;REEL/FRAME:039963/0026 Owner name: ASIA OPTICAL CO., INC., TAIWAN Effective Date: Mar 23, 2015
Mar 24, 2014	PD	Priority Date