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

Patent Owner(s)

Patent Owner	Address
SCHLUMBERGER TECHNOLOGY CORPORATION	300 SCHLUMBERGER DRIVE SUGAR LAND TX 77478

International Classification(s)

• E03B:INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING....
• E21B:EARTH OR ROCK DRILLING

• 2007 Application Filing Year
• E03B Class
• 75 Applications Filed
• 31 Patents Issued To-Date
• 41.34 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Patel, Dinesh R	Sugar Land, US	130	5775
# of filed Patents : 130 Total Citations : 5775

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Patent Citation Ranking

• 27 Citation Count
• E03B Class

• 88.14 % 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
March 08, 2011	US,7900705,B2   US7900705B2	GRANTED PATENT AS SECOND PUBLICATION
January 08, 2009	US,20090008078,A1   US20090008078A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9657606

Direct-acting valve lifter of internal combustion engine

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Abstract

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A valve lifter with a variable lift mechanism is required to be deployed at a predetermined angle with respect to a cam unit, and the present invention is intended to achieve this requirement with a simple configuration without too much processing such as a fitting of the conventional longitudinal groove and a pin.

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Description

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Claims

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Legal Events

 

• FEPP2024
• FEPP2020
• MAFP2020
• I2017
• STCF2017
• AS2016
• AS2014
• AS2014
• P2013
• AS2013
• AS�2012
• F2011
• AS2011

Date	Code	Event	Description
Dec 16, 2024	FEPP	FEE PAYMENT PROCEDURE	free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Nov 23, 2020	FEPP	FEE PAYMENT PROCEDURE	free format text: SURCHARGE FOR LATE PAYMENT, LARGE ENTITY (ORIGINAL EVENT CODE: M1554); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Nov 23, 2020	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 4
Apr 25, 2017	I	Issuance
Apr 05, 2017	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Feb 25, 2016	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:APOLLO PRECISION (KUNMING) YUANHONG LIMITED;REEL/FRAME:037896/0010 Owner name: BEIJING APOLLO DING RONG SOLAR TECHNOLOGY CO., LTD Effective Date: Feb 25, 2016
Aug 10, 2014	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:HANERGY HOLDING GROUP LTD.;REEL/FRAME:034857/0380 Owner name: APOLLO PRECISION (KUNMING) YUANHONG LIMITED, CHINA Effective Date: Aug 10, 2014
Jan 09, 2014	AS	ASSIGNMENT	free format text: CONFIRMATORY ASSIGNMENT OF PATENT RIGHTS;ASSIGNOR:MIASOLE;REEL/FRAME:032127/0428 Owner name: HANERGY HOLDING GROUP LTD, CHINA Effective Date: Jan 09, 2014
Feb 07, 2013	P	Published
Jan 07, 2013	AS	ASSIGNMENT	free format text: RELEASE BY SECURED PARTY;ASSIGNOR:PINNACLE VENTURES, L.L.C.;REEL/FRAME:029579/0494 Owner name: MIASOLE, CALIFORNIA Effective Date: Jan 07, 2013
Aug 28, 2012	AS�	SECURITY INTEREST	free format text: SECURITY AGREEMENT;ASSIGNOR:MIASOLE;REEL/FRAME:028863/0887 Owner name: PINNACLE VENTURES, L.L.C., CALIFORNIA Effective Date: Aug 28, 2012
Aug 04, 2011	F	Filing
Aug 04, 2011	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:LAIA, JOSEPH;VIJAYENDRAN, ANIL;SHERMAN, ADAM C.;SIGNING DATES FROM 20110721 TO 20110803;REEL/FRAME:026704/0230 Owner name: MIASOLE, CALIFORNIA