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

Patent Owner(s)

Patent Owner	Address
BOARD OF TRUSTEES OF MICHIGAN STATE UNIVERSITY	450 ADMINISTRATION BUILDING EAST LANSING MI 48824

International Classification(s)

• F02K:JET-PROPULSION PLANTS
• F02C:GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION....
• F01D:NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g....

• 2013 Application Filing Year
• F02K Class
• 252 Applications Filed
• 226 Patents Issued To-Date
• 89.69 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Müller, Norbert	Haslett, US	26	215
# of filed Patents : 26 Total Citations : 215
Parraga, Pablo-Francisco	East Lansing, US	1	14
# of filed Patents : 1 Total Citations : 14
Piechna, Janusz	Warsaw, PL	4	57
# of filed Patents : 4 Total Citations : 57
Sun, Guangwei	East Lansing, US	6	17
# of filed Patents : 6 Total Citations : 17

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Patent Citation Ranking

• 3 Citation Count
• F02K Class

• 22.31 % 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	Jul 2, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jul 2, 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
January 02, 2018	US,9856791,B2   US9856791B2	GRANTED PATENT AS SECOND PUBLICATION
December 12, 2013	US,20130327010,A1   US20130327010A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9856791

Wave disc engine apparatus

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Abstract

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A wave disc engine apparatus is provided. A further aspect employs a constricted nozzle in a wave rotor channel. A further aspect provides a sharp bend between an inlet and an outlet in a fluid pathway of a wave rotor, with the bend being spaced away from a peripheral edge of the wave rotor. A radial wave rotor for generating electricity in an automotive vehicle is disclosed in yet another aspect.

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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
• I2018
• STCF2017
• AS2014
• P2013
• AS2013
• F2013
• AS2012
• PD2010

Date	Code	Event	Description
Jul 02, 2021	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
Jan 02, 2018	I	Issuance
Dec 13, 2017	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Dec 18, 2014	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:MULLER, NORBERT;PIECHNA, JANUSZ;SUN, GUANGWEI;AND OTHERS;SIGNING DATES FROM 20120621 TO 20140621;REEL/FRAME:034548/0891 Owner name: BOARD OF TRUSTEES OF MICHIGAN STATE UNIVERSITY, MI
Dec 12, 2013	P	Published
Oct 28, 2013	AS	ASSIGNMENT	free format text: CONFIRMATORY LICENSE;ASSIGNOR:MICHIGAN STATE UNIVERSITY;REEL/FRAME:037256/0925 Owner name: U.S. DEPARTMENT OF ENERGY, DISTRICT OF COLUMBIA Effective Date: Oct 28, 2013
Aug 19, 2013	F	Filing
Jun 21, 2012	AS	ASSIGNMENT	free format text: CORRECTIVE ASSIGNMENT TO CORRECT THE FOURTH INVENTOR SIGNATURE DATE PREVIOUSLY RECORDED AT REEL: 034548 FRAME: 0891. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT;ASSIGNORS:MULLER, NORBERT;PIECHNA, JANUSZ;SUN, GUANGWEI;AND OTHERS;REEL/FRAME:034700/0540 Owner name: BOARD OF TRUSTEES OF MICHIGAN STATE UNIVERSITY, MI Effective Date: Jun 21, 2012
Dec 02, 2010	PD	Priority Date