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

Patent Owner(s)

Patent Owner	Address
WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORPORATION	PITTSBURGH PA 15212

International Classification(s)

• G01L:MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL ....
• B60T:VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BR....

• 2004 Application Filing Year
• G01L Class
• 638 Applications Filed
• 257 Patents Issued To-Date
• 40.29 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Schweikert, David E	Moore, SC	12	155
# of filed Patents : 12 Total Citations : 155
Wood, James A	Spartanburg, SC	49	627
# of filed Patents : 49 Total Citations : 627

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• 0 Citation Count
• G01L Class

• 0 % this patent is cited more than
• 20 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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
May 31, 2005	US,6901341,B2   US6901341B2	GRANTED PATENT AS SECOND PUBLICATION
October 21, 2004	US,20040210412,A1   US20040210412A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 6901341

Smart resolution valve pressure control

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Abstract

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The Smart Resolution Valve Pressure Control System allows any pressure control system using valve state pulsing to modify airflow at an optimum and consistent range of operation thereby enhancing control accuracy and increasing the useable cycle life of any valve combination used.

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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
• FPAY2008
• I2005
• P2004
• F2004
• PD2003

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 31, 2017	FP	LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: May 31, 2017
May 31, 2017	LAPS	LAPSE FOR FAILURE TO PAY MAINTENANCE FEES
Jan 06, 2017	REMI	MAINTENANCE FEE REMINDER MAILED
Sep 28, 2012	FPAY	FEE PAYMENT	year of fee payment: 8
Oct 30, 2008	FPAY	FEE PAYMENT	year of fee payment: 4
May 31, 2005	I	Issuance
Oct 21, 2004	P	Published
Mar 24, 2004	F	Filing
Jan 08, 2003	PD	Priority Date