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

Patent Owner(s)

Patent Owner	Address
PORTESCAP	2300 LA CHAUX-DE-FONDS

International Classification(s)

• H02P:CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATO....

• 1984 Application Filing Year
• H02P Class
• 248 Applications Filed
• 0 Patents Issued To-Date
• 0 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Claude, Oudet	Besancon, FR	1	1
# of filed Patents : 1 Total Citations : 1

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Patent Citation Ranking

• 1 Citation Count
• H02P Class

• 0 % this patent is cited more than
• 40 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

Full Text

US Patent No: 6253839

Refrigeration evaporator

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Abstract

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A method of making an evaporator and the resultant evaporator. The resultant evaporator comprises a continuous serpentine tube having an inlet and an outlet. The serpentine tube includes at least one column of parallel tube runs. Each tube run is defined by at least one reverse bend. The column of parallel tube runs has an overall length defined by the distance between the outermost tube runs. The evaporator further comprises a plurality of inner fins attached to the individual tubes. Each inner fin extends between two tube runs defined by opposite ends of a reverse bend. The inner fins have a length less than the overall length the column of tube runs.

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Description

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Claims

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Legal Events

 

• MAFP2024
• AS2023
• MAFP2020
• I2017
• STCF2016
• P2016
• AS2015
• F2014
• PD2013

Date	Code	Event	Description
Jun 19, 2024	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 8TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1552); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 8
Oct 25, 2023	AS	ASSIGNMENT	free format text: CHANGE OF ADDRESS FOR ASSIGNEE;ASSIGNOR:THE YOKOHAMA RUBBER CO., LTD.;REEL/FRAME:065626/0740 Owner name: THE YOKOHAMA RUBBER CO., LTD., JAPAN Effective Date: Oct 25, 2023
Jun 18, 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
Jan 03, 2017	I	Issuance
Dec 14, 2016	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Feb 25, 2016	P	Published
Sep 08, 2015	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:NAKAJIMA, MIYUKI;REEL/FRAME:036673/0845 Owner name: THE YOKOHAMA RUBBER CO., LTD., JAPAN Effective Date: Sep 08, 2015
Mar 26, 2014	F	Filing
Mar 28, 2013	PD	Priority Date