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

Patent Owner(s)

Patent Owner	Address
BG SOFLEX LLC	VIRGINIA BEACH VA

International Classification(s)

• G01M:TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR S....

• 2010 Application Filing Year
• G01M Class
• 731 Applications Filed
• 526 Patents Issued To-Date
• 71.96 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Bowling, Bruce	Havre De Grace, US	4	23
# of filed Patents : 4 Total Citations : 23
Grippo, Albert	Virginia Beach, US	4	23
# of filed Patents : 4 Total Citations : 23

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Patent Citation Ranking

• 2 Citation Count
• G01M Class

• 7.60 % this patent is cited more than
• 12 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
February 12, 2013	US,8371157,B2   US8371157B2	GRANTED PATENT AS SECOND PUBLICATION
October 21, 2010	US,20100263439,A1   US20100263439A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8371157

Engine position tracking for internal combustion engines

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Abstract

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A method for determining engine crankshaft position determines the position of a rotating crankshaft using one or many crankshaft position sensors. The sensor output signals representing crankshaft position are digitized and specific timing positions are derived. The sampled timing positions are compared to a known position template to determine crankshaft position.

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Description

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Claims

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Claims data not available

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Legal Events

 

• LAPS2025
• FP2025
• FEPP2024
• MAFP2020
• FPAY2016
• I2013
• STCF2013
• FEPP2012
• P2010
• F2010
• PD2007

Date	Code	Event	Description
Mar 17, 2025	LAPS	LAPSE FOR FAILURE TO PAY MAINTENANCE FEES	free format text: PATENT EXPIRED FOR FAILURE TO PAY MAINTENANCE FEES (ORIGINAL EVENT CODE: EXP.); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY
Feb 12, 2025	FP	LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: Feb 12, 2025
Sep 30, 2024	FEPP	FEE PAYMENT PROCEDURE	free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY
Jul 30, 2020	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 8TH YR, SMALL ENTITY (ORIGINAL EVENT CODE: M2552); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY year of fee payment: 8
Aug 12, 2016	FPAY	FEE PAYMENT	year of fee payment: 4
Feb 12, 2013	I	Issuance
Jan 23, 2013	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Dec 03, 2012	FEPP	FEE PAYMENT PROCEDURE	free format text: PAT HOLDER CLAIMS SMALL ENTITY STATUS, ENTITY STATUS SET TO SMALL (ORIGINAL EVENT CODE: LTOS); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY
Oct 21, 2010	P	Published
Jun 28, 2010	F	Filing
Apr 09, 2007	PD	Priority Date