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

Patent Owner(s)

Patent Owner	Address
SEA-TWIRL AB	C/O DANIEL EHRNBERG RICHERTSGATAN 18 GOTEBORG S-412 60

International Classification(s)

• F03B:MACHINES OR ENGINES FOR LIQUIDS
• F03D:WIND MOTORS
• F01D:NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g....

• 2012 Application Filing Year
• F03B Class
• 303 Applications Filed
• 216 Patents Issued To-Date
• 71.29 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Ehrnberg, Daniel	Gothenburg, SE	12	31
# of filed Patents : 12 Total Citations : 31

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Patent Citation Ranking

• 11 Citation Count
• F03B Class

• 81.08 % this patent is cited more than
• 8 Age

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Oct 25, 2028

Fee	Large entity fee	small entity fee	micro entity fee
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
April 25, 2017	US,9631503,B2   US9631503B2	GRANTED PATENT AS SECOND PUBLICATION
October 31, 2013	US,20130287572,A1   US20130287572A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9631503

Dynamic turbine system

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Abstract

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Disclosed is a dynamic turbine, capable of altering the sweep area in a large interval by moving a first fixing structure, a second fixing structure and blades to and from an essential same plane along an axis of rotation of the turbine.

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Description

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Claims

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Claims data not available

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Legal Events

 

• MAFP2024
• MAFP2020
• I2017
• STCF2017
• P2013
• AS2013
• F2012
• PD2011

Date	Code	Event	Description
Oct 09, 2024	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
Sep 21, 2020	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 4TH YR, SMALL ENTITY (ORIGINAL EVENT CODE: M2551); ENTITY STATUS OF PATENT OWNER: SMALL 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
Oct 31, 2013	P	Published
Jun 28, 2013	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:EHRNBERG, DANIEL;REEL/FRAME:030758/0134 Owner name: SEA-TWIRL AB, SWEDEN Effective Date: Jun 28, 2013
Jan 09, 2012	F	Filing
Jan 10, 2011	PD	Priority Date