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

Patent Owner(s)

Patent Owner	Address
LUXFER CANADA LIMITED	C/O TORYS LLP 4600 EIGHTH AVENUE PLACE EAST 525 8TH AVENUE SW CALGARY T2P 1G1

International Classification(s)

• F16K:VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR....

• 2001 Application Filing Year
• F16K Class
• 1111 Applications Filed
• 454 Patents Issued To-Date
• 40.87 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Portmann, Heinz	Calgary, CA	2	43
# of filed Patents : 2 Total Citations : 43

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Patent Citation Ranking

• 28 Citation Count
• F16K Class

• 88.03 % 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: 6382232

Remote triggering system and retrofit kit for thermal-pressure relief devices

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Abstract

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A heat-responsive fuse cord is positioned in the proximity of a pressure vessel and is thermally coupled to a thermal-pressure relief device which is in communication with the pressurized contents of the vessel. When ignited the fuse cord burns to a thermal coupler, transferring the heat to the thermal actuator of the TPRD. In a kit form, fuse cord and a thermal coupler provide an economical remote and retrofit triggering system for TPRD's having an otherwise limited environment of influence.

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Description

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Claims

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Claims data not available

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Legal Events

 

• FPAY2013
• FEPP2012
• AS2012
• FPAY2009
• FEPP2008
• FPAY2005
• I2002
• STCF2002
• AS2002
• F2001
• PD2001

Date	Code	Event	Description
Nov 05, 2013	FPAY	FEE PAYMENT	year of fee payment: 12
Dec 09, 2012	FEPP	FEE PAYMENT PROCEDURE	free format text: PAT HOLDER NO LONGER CLAIMS SMALL ENTITY STATUS, ENTITY STATUS SET TO UNDISCOUNTED (ORIGINAL EVENT CODE: STOL); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Sep 18, 2012	AS	ASSIGNMENT	free format text: CHANGE OF NAME;ASSIGNOR:DYNETEK INDUSTRIES LTD.;REEL/FRAME:030818/0145 Owner name: LUXFER CANADA LIMITED, CANADA Effective Date: Sep 18, 2012
Oct 16, 2009	FPAY	FEE PAYMENT	year of fee payment: 8
Oct 31, 2008	FEPP	FEE PAYMENT PROCEDURE	free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Oct 20, 2005	FPAY	FEE PAYMENT	year of fee payment: 4
May 07, 2002	I	Issuance
Apr 19, 2002	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Feb 12, 2002	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:PORTMANN, HEINZ;REEL/FRAME:012584/0945 Owner name: DYNETEK INDUSTRIES LTD., CANADA Effective Date: Feb 12, 2002
Mar 09, 2001	F	Filing
Mar 09, 2001	PD	Priority Date