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

Patent Owner(s)

Patent Owner	Address
HERRENKNECHT AKTIENGESELLSCHAFT	77963 SCHWANAU

International Classification(s)

• E21D:SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAM....

• 2014 Application Filing Year
• E21D Class
• 67 Applications Filed
• 60 Patents Issued To-Date
• 89.56 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Burger, Werner	Schwanau, DE	13	21
# of filed Patents : 13 Total Citations : 21

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Patent Citation Ranking

• 0 Citation Count
• E21D Class

• 0 % 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	Dec 12, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Dec 12, 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
June 12, 2018	US,9995138,B2   US9995138B2	GRANTED PATENT AS SECOND PUBLICATION
May 12, 2016	US,20160130942,A1   US20160130942A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9810241

Low profile pump with the ability to be mounted in various configurations

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Abstract

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A pumping system featuring a pump chamber configured with a central portion having a tangential outlet, and configured with a tubular coupling end portion having inwardly flexible rim portions on one side; and a mounting base, having a circular portion with an inner circumferential rim configured to receive and engage the inwardly flexible rim portions of the tubular coupling portion of the pump chamber so as to be rotationally coupled to the pumping chamber so that the pumping chamber may be rotated 360° in relation to the mounting base.

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Description

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Claims

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Claims data not available

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Legal Events

 

• MAFP2021
• MAFP2017
• I2014
• STCF2014
• P2011
• AS2010
• F2008
• PD2007

Date	Code	Event	Description
Oct 29, 2021	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
Oct 30, 2017	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 4TH YR, SMALL ENTITY (ORIGINAL EVENT CODE: M2551) year of fee payment: 4
Apr 29, 2014	I	Issuance
Apr 09, 2014	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Jan 27, 2011	P	Published
May 24, 2010	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:WEN, JIE;GUIRE, PATRICK E;REEL/FRAME:026973/0886 Owner name: INNOVATIVE SURFACE TECHNOLOGIES, INC., MINNESOTA Effective Date: May 24, 2010
Jun 20, 2008	F	Filing
Jun 22, 2007	PD	Priority Date