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

Patent Owner(s)

Patent Owner	Address
ENERGY MAINTENANCE SERVICES GROUP I LLC	2000 BERING DRIVE SUITE 600 HOUSTON TX 77057-3835

International Classification(s)

• B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Blackmore, Richard D	Northbrook, IL	10	257
# of filed Patents : 10 Total Citations : 257

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Patent Citation Ranking

• 41 Citation Count
• B29C Class

• 95.81 % this patent is cited more than
• 30 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: 5451351

Method for rehabilitating a pipe with a liner having an electrically conductive layer

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Abstract

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A lining and method for in situ rehabilitation of a pipe. The lining includes a tubular shaped resin impregnated composite having a conductive layer surrounding an inflatable bladder. The method includes the steps of positioning the lining within a pipe section, inflating the bladder until the lining is in contiguous contact with the interior of the pipe and inducing an electric current through the conductive layer to resistively heat the lining and cure the impregnated resin.

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Description

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Claims

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Legal Events

 

• STCH2018
• AS2011
• AS�2011
• AS�2010
• AS2008
• AS2008
• AS2008
• AS2008
• AS2003
• AS2003
• FP1999
• LAPS1999
• REMI1999
• I1995
• AS1992
• F1991
• PD1991
• AS1991

Date	Code	Event	Description
Jan 27, 2018	STCH	INFORMATION ON STATUS: PATENT DISCONTINUATION	free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
Dec 30, 2011	AS	ASSIGNMENT	free format text: CONVERSION FROM A LIMITED LIABILITY COMPANY TO A CORPORATION;ASSIGNOR:ENERGY MAINTENANCE SERVICES GROUP I, LLC;REEL/FRAME:027491/0285 Owner name: ENERGY MAINTENANCE SERVICES GROUP I, INC., TEXAS Effective Date: Dec 30, 2011
Dec 27, 2011	AS�	SECURITY INTEREST	free format text: SECURITY AGREEMENT;ASSIGNOR:ENERGY MAINTENANCE SERVICES GROUP I, LLC;REEL/FRAME:027457/0063 Owner name: VICTORY PARK MANAGEMENT, LLC, AS AGENT, ILLINOIS Effective Date: Dec 27, 2011
Mar 03, 2010	AS�	SECURITY INTEREST	free format text: SECURITY AGREEMENT;ASSIGNOR:ENERGY MAINTENANCE SERVICES GROUP I, LLC;REEL/FRAME:024066/0250 Owner name: VICTORY PARK MANAGEMENT, LLC,ILLINOIS Effective Date: Mar 03, 2010 free format text: SECURITY AGREEMENT;ASSIGNOR:ENERGY MAINTENANCE SERVICES GROUP I, LLC;REEL/FRAME:024066/0250 Owner name: VICTORY PARK MANAGEMENT, LLC, ILLINOIS Effective Date: Mar 03, 2010
Apr 15, 2008	AS	ASSIGNMENT	free format text: ASSIGNMENT OF AN ADDITIONAL UNDIVIDED 25% INTEREST OF ASSIGNOR'S ORIGINAL ENTIRE INTEREST IN ALL PROPERTIES LISTED IN THIS ASSIGNMENT;ASSIGNOR:VERLINE, INCORPORATED;REEL/FRAME:022331/0540 Owner name: ENERGY MAINTENANCE SERVICES GROUP I, LLC, TEXAS Effective Date: Apr 15, 2008
Apr 15, 2008	AS	ASSIGNMENT	free format text: CORRECTIVE ASSIGNMENT TO CORRECT THE REMOVE THE FOLLOWING DOCUMENTS;ASSIGNOR:VERLINE, INCORPORATED;REEL/FRAME:021450/0834 Owner name: ENERGY MAINTENANCE SERVICES GROUP I, LLC, TEXAS Effective Date: Apr 15, 2008
Apr 15, 2008	AS	ASSIGNMENT	free format text: SUPPLEMENTAL PATENT ASSIGNMENT AGREEMENT;ASSIGNOR:VERLINE, INCORPORATED;REEL/FRAME:020817/0886 Owner name: ENERGY MAINTENANCE SERVICES GROUP I, LLC, TEXAS Effective Date: Apr 15, 2008
Jan 29, 2008	AS	ASSIGNMENT	free format text: CONVEYANCE OF 50% INTEREST IN ALL PATENTS AND APPLICATIONS;ASSIGNOR:VERLINE, INCORPORATED;REEL/FRAME:020487/0090 Owner name: ENERGY MAINTENANCE SERVICES GROUP I, LLC, TEXAS Effective Date: Jan 29, 2008
Jul 01, 2003	AS	ASSIGNMENT	free format text: RECORD TO REMOVE 6797358, 5245351 AND 6147576 ON A DOCUMENT PREVIOUSLY RECORDED ON REEL 015778 FRAME 0360;ASSIGNORS:BLACKMORE, RICHARD D.;IHC REHABILITATION PRODUCTS INC.;INTRALAMINER HEAT CURE INC.;AND OTHERS;REEL/FRAME:017015/0402 Owner name: VERLINE INC. & VERLINE INSTALLATION INC., TEXAS Effective Date: Jul 01, 2003
Jul 01, 2003	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:BLACKMORE, RICHARD D.;IHC REHABILITATION PRODUCTS, INC.;INTRALAMINAR HEAT CURE, INC.;AND OTHERS;REEL/FRAME:015778/0360 Owner name: VERLINE, INC., TEXAS Effective Date: Jul 01, 2003 free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:BLACKMORE, RICHARD D.;IHC REHABILITATION PRODUCTS, INC.;INTRALAMINAR HEAT CURE, INC.;AND OTHERS;REEL/FRAME:015778/0360 Owner name: VERLINE INSTALLATION, INC., TEXAS Effective Date: Jul 01, 2003
Sep 19, 1999	FP	LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: Sep 19, 1999
Sep 19, 1999	LAPS	LAPSE FOR FAILURE TO PAY MAINTENANCE FEES
Apr 13, 1999	REMI	MAINTENANCE FEE REMINDER MAILED
Sep 19, 1995	I	Issuance
Jan 21, 1992	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:COMPOSITE COMPONENTS, INC.;REEL/FRAME:006002/0647 Owner name: ENERGY ABSORPTIONS SYSTEMS, INC. Effective Date: Jan 21, 1992
Sep 13, 1991	F	Filing
Sep 13, 1991	PD	Priority Date
Sep 12, 1991	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:BLACKMORE, RICHARD D.;REEL/FRAME:005848/0141 Owner name: COMPOSITE COMPONENTS, INC. A CORP. OF DELAWARE Effective Date: Sep 12, 1991