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

Patent Owner(s)

Patent Owner	Address
CHAMPION POWER EQUIPMENT INC	12039 SMITH AVENUE SANTA FE SPRINGS CA 90670

International Classification(s)

• 1501:ENGINES

• 2016 Application Filing Year
• 1501 Class
• 113 Applications Filed
• 113 Patents Issued To-Date
• 100 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Dehn, James J	Brookfield, US	45	225
# of filed Patents : 45 Total Citations : 225
Dopke, Russell J	Elkhart Lake, US	31	111
# of filed Patents : 31 Total Citations : 111

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Patent Citation Ranking

• 1 Citation Count
• 1501 Class

• 0 % 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
7.5 Year Payment	$3600.00	$1800.00	$900.00	Dec 20, 2024
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Dec 20, 2028

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

Full Text

US Patent No: 9435291

Energy transfer machines

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Abstract

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A novel engine for producing power from a temperature differential with additional benefits of low cost, high efficiency, quiet operation minimal wear of components, and the ability to produce power or cooling from low grade heat sources.

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Description

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Claims

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Claims data not available

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Legal Events

 

• AS2018
• AS2014
• FPAY2007
• REMI2003
• FPAY2003
• FPAY1999
• CC1996
• AS1996
• I1996
• STCF1995
• AS1995
• F1993
• PD1993

Date	Code	Event	Description
Oct 28, 2018	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:BEAUMARIS NETWORKS LLC;CISCO SYSTEMS INTERNATIONAL S.A.R.L.;CISCO TECHNOLOGY, INC.;AND OTHERS;REEL/FRAME:047420/0600 Owner name: NDS LIMITED, UNITED KINGDOM Effective Date: Oct 28, 2018
Nov 18, 2014	AS	ASSIGNMENT	free format text: CHANGE OF NAME;ASSIGNOR:SCIENTIFIC-ATLANTA, INC.;REEL/FRAME:034299/0440 Owner name: SCIENTIFIC-ATLANTA, LLC, GEORGIA Effective Date: Dec 05, 2008 free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:SCIENTIFIC-ATLANTA, LLC;REEL/FRAME:034300/0001 Owner name: CISCO TECHNOLOGY, INC., CALIFORNIA Effective Date: Nov 18, 2014
Jun 21, 2007	FPAY	FEE PAYMENT	year of fee payment: 12
Jul 23, 2003	REMI	MAINTENANCE FEE REMINDER MAILED
Jun 27, 2003	FPAY	FEE PAYMENT	year of fee payment: 8
Jun 28, 1999	FPAY	FEE PAYMENT	year of fee payment: 4
Oct 22, 1996	CC	CERTIFICATE OF CORRECTION
Jun 13, 1996	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:LOGSTON, GARY L.;WASILEWSKI, ANTHONY J.;ADDINGTON, TIMOTHY H.;AND OTHERS;REEL/FRAME:008022/0334 Owner name: SCIENTIFIC-ATLANTA, INC., GEORGIA Effective Date: Jun 13, 1996
Jan 02, 1996	I	Issuance
Dec 22, 1995	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Aug 14, 1995	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:LOGSTON, GARY LEE;WASILEWSKI, ANTHONY J.;ADDINGTON, TIMOTHY HALL;AND OTHERS;REEL/FRAME:007581/0305;SIGNING DATES FROM 19950803 TO 19950804 Owner name: SCIENTIFIC-ATLANTA, INC., GEORGIA
Nov 10, 1993	F	Filing
Nov 10, 1993	PD	Priority Date