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

Patent Owner(s)

Patent Owner	Address
UNIVERFERTH MANUFACTURING COMPANY INC	P O BOX 357 ROUTE 224 WEST KALIDA OH 45853

International Classification(s)

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

• 2006 Application Filing Year
• F16K Class
• 863 Applications Filed
• 571 Patents Issued To-Date
• 66.17 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Petersen, Brian James	Ottawa, US	16	141
# of filed Patents : 16 Total Citations : 141
Smith, David Richard	Fort Jennings, US	11	102
# of filed Patents : 11 Total Citations : 102

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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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
May 26, 2009	US,7537198,B2   US7537198B2	GRANTED PATENT AS SECOND PUBLICATION
October 26, 2006	US,20060237681,A1   US20060237681A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7537198

Direct double-acting in-line shut-off gate valve

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Abstract

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The present invention provides an actuated gate valve including a gate valve housing and an actuating device attached to one end of the gate valve housing. The gate valve housing includes a displaceable valve plate, and the actuating device includes an actuator rod connected to the valve plate so that a force applied to the valve plate by the actuator rod is coincident with a displacement of the valve plate.

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Description

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Claims

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Claims data not available

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Legal Events

 

• STCH2017
• FP2017
• LAPS2017
• REMI2017
• FPAY2012
• I2009
• P2006
• F2006
• AS2006
• PD2005

Date	Code	Event	Description
Jun 26, 2017	STCH	INFORMATION ON STATUS: PATENT DISCONTINUATION	free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
May 26, 2017	FP	LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: May 26, 2017
May 26, 2017	LAPS	LAPSE FOR FAILURE TO PAY MAINTENANCE FEES
Jan 06, 2017	REMI	MAINTENANCE FEE REMINDER MAILED
Nov 20, 2012	FPAY	FEE PAYMENT	year of fee payment: 4
May 26, 2009	I	Issuance
Oct 26, 2006	P	Published
Apr 21, 2006	F	Filing
Apr 19, 2006	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:PETERSEN, BRIAN JAMES;SMITH, DAVID RICHARD;REEL/FRAME:017812/0457 Owner name: UNIVERFERTH MANUFACTURING COMPANY, INC., OHIO Effective Date: Apr 19, 2006
Apr 21, 2005	PD	Priority Date