Family

+

−

• No Family data available.

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

Patent Owner(s)

Patent Owner	Address
FREUDENBERG-NOK GENERAL PARTNERSHIP	47690 E ANCHOR COURT PLYMOUTH MI 48170-2455

International Classification(s)

• H01M:PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT....

• 2007 Application Filing Year
• H01M Class
• 2205 Applications Filed
• 1637 Patents Issued To-Date
• 74.25 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Heystek, Joseph J	Fenton, US	3	6
# of filed Patents : 3 Total Citations : 6

Cited Art Landscape

Load Citation

• No Cited Art to Display

Loading Cited Art Landscape...

Patent Citation Ranking

• 0 Citation Count
• H01M Class

• 0 % this patent is cited more than
• 9 Age

Forward Cite Landscape

Load Citation

• No Forward Cites to Display

Loading Forward Cite Landscape...

Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
11.5 Year Payment	$7400.00	$3700.00	$1850.00	May 15, 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
November 15, 2016	US,9496578,B2   US9496578B2	GRANTED PATENT AS SECOND PUBLICATION
August 21, 2008	US,20080199760,A1   US20080199760A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9496578

Gas diffusion layer with integrated seal for use in a fuel cell

---

Abstract

---

A membrane electrode assembly is provided for use in a fuel cell and utilizes an external manifold and seal structure which are molded directly to the gas diffusion layers. The integrated manifold and gas diffusion layers are formed as duplicate components which can be oriented 180 degrees offset to one another to create the MEA assembly with a catalyst coated membrane disposed therebetween. The integrated manifold and seal structures can be held together by heat pressing or other known connection techniques.

---

 

---

Description

---

Claims

---

Claims data not available

---

Legal Events

 

• MAFP2024
• MAFP2020
• I2016
• STCF2016
• P2008
• F2007
• AS2007

Date	Code	Event	Description
Mar 06, 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
Feb 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
Nov 15, 2016	I	Issuance
Oct 26, 2016	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Aug 21, 2008	P	Published
Feb 20, 2007	F	Filing
Feb 15, 2007	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:HEYSTEK, JOSEPH J.;REEL/FRAME:018905/0836 Owner name: FREUDENBERG-NOK GENERAL PARTNERSHIP, MICHIGAN Effective Date: Feb 15, 2007