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

Patent Owner(s)

Patent Owner	Address
BERU AG	MOERIKESTRASSE 155 LUDWIGSBURG D-71636

International Classification(s)

• F02D:CONTROLLING COMBUSTION ENGINES

• 2008 Application Filing Year
• F02D Class
• 970 Applications Filed
• 423 Patents Issued To-Date
• 43.61 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Bleil, Andreas	Ludwigsburg, DE	11	83
# of filed Patents : 11 Total Citations : 83
Kernwein, Markus	Bretten-Bueching, DE	15	106
# of filed Patents : 15 Total Citations : 106
Mueller, Helmut	Hessigheim, DE	30	227
# of filed Patents : 30 Total Citations : 227
Peters, Odd	Bietigheim-Bissingen, DE	5	76
# of filed Patents : 5 Total Citations : 76
Toedter, Olaf	Walzbachtal, DE	16	186
# of filed Patents : 16 Total Citations : 186

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Patent Citation Ranking

• 4 Citation Count
• F02D Class

• 2.59 % this patent is cited more than
• 14 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
December 20, 2011	US,8082090,B2   US8082090B2	GRANTED PATENT AS SECOND PUBLICATION
December 25, 2008	US,20080319631,A1   US20080319631A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8082090

Method and device for operation of the glow plugs of a Diesel engine

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Abstract

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A method and device for operation of glow plugs of a Diesel engine in which the type of glow plugs used is determined, by a parameter typical of the glow plugs, for example, the electrical glow plug resistance, being detected and evaluated. The detected values of the parameter typical of the glow plugs are compared with corresponding data for various types of glow plugs stored in the glow controller to determine the type(s) of glow plug(s) in the engine. After identification of the type(s) of glow plug(s), stored sets of parameters, which correspond to the type(s) of glow plug(s) determined, are likewise called upon to control the glow plugs.

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Description

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Claims

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Claims data not available

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Legal Events

 

• MAFP2023
• MAFP2019
• FPAY2015
• FEPP2013
• I2011
• STCF2011
• P2008
• F2008
• PD2005

Date	Code	Event	Description
May 23, 2023	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 12TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1553); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 12
Jun 18, 2019	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 8TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1552); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 8
Jun 11, 2015	FPAY	FEE PAYMENT	year of fee payment: 4
Dec 06, 2013	FEPP	FEE PAYMENT PROCEDURE	free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Dec 20, 2011	I	Issuance
Nov 30, 2011	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Dec 25, 2008	P	Published
Aug 28, 2008	F	Filing
Sep 09, 2005	PD	Priority Date