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

Patent Owner(s)

Patent Owner	Address
LANDMARK GRAPHICS CORPORATION	3000 N SAM HOUSTON PARKWAY E HOUSTON TX 77032-3219

International Classification(s)

• E21B:EARTH OR ROCK DRILLING

• 2013 Application Filing Year
• E21B Class
• 3688 Applications Filed
• 3292 Patents Issued To-Date
• 89.27 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Carvajal, Gustavo A	Houston, US	5	24
# of filed Patents : 5 Total Citations : 24
Cullick, Alvin S	Houston, US	15	583
# of filed Patents : 15 Total Citations : 583
LopezGarcia, Carlos M	Katy, US	2	6
# of filed Patents : 2 Total Citations : 6
Moricca, Giuseppe	Codogno, IT	4	55
# of filed Patents : 4 Total Citations : 55
Rodriguez, Jose A	Katy, US	15	223
# of filed Patents : 15 Total Citations : 223

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Patent Citation Ranking

• 1 Citation Count
• E21B Class

• 18.80 % this patent is cited more than
• 7 Age

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
7.5 Year Payment	$3600.00	$1800.00	$900.00	Jul 30, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jul 30, 2029

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 7.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
Surcharge - 11.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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
January 30, 2018	US,9879530,B2   US9879530B2	GRANTED PATENT AS SECOND PUBLICATION
April 24, 2014	US,20140114577,A1   US20140114577A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9111057

Method for predicting arc flash energy and PPE category within a real-time monitoring system

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Abstract

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A method for simulating an arc flash event on an electrical power system is disclosed. The virtual system model of the electrical system is modified to introduce a short circuiting feature. The standard to supply equations used in the arc flash event calculations is chosen. The arc flash event is simulated using the modified virtual system model in accordance with the chosen standard. The quantity of arc energy released by the arc flash event is calculated using results from the simulation. The report that forecasts an aspect of the arc flash event is communicated.

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Description

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Claims

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Claims data not available

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• P2015
• F2014
• AS2012

Date	Code	Event	Description
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Aug 18, 2015	I	Issuance
Jul 29, 2015	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Jan 08, 2015	P	Published
Sep 25, 2014	F	Filing
Feb 01, 2012	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:EDSA MICRO CORPORATION;REEL/FRAME:053974/0934 Owner name: POWER ANALYTICS CORPORATION, CALIFORNIA Effective Date: Feb 01, 2012 free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:RADIBRATOVIC, BRANISLAV;NASLE, ALI;SIGNING DATES FROM 20081124 TO 20090105;REEL/FRAME:053974/0919 Owner name: EDSA MICRO CORPORATION, CALIFORNIA