Multilayer nonwovens incorporating differential cross-sections
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Dec 26, 2006
Grant Date -
Jul 29, 2004
app pub date -
Dec 1, 2003
filing date -
Dec 2, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Nonwoven fabric fabrics suitable for undergoing pleating to form filtration media are provided. The fabrics generally include at least three layers. The fibers forming the inner layer has a cross section providing greater stiffness, while the fibers forming the outer layers have a cross section providing greater durability. The resulting fabrics provide improved particulate holding and pressure drop characteristics at no sacrifice to durability.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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FIBERWEB INC | 70 OLD HICKORY BOULEVARD OLD HICKORY TN 37138 |
International Classification(s)

- 2003 Application Filing Year
- D04H Class
- 231 Applications Filed
- 68 Patents Issued To-Date
- 29.44 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Baker, Jr John Frank | Nashville, TN | 3 | 81 |
# of filed Patents : 3 Total Citations : 81 | |||
Barnes, Harry | Brentwood, TN | 2 | 16 |
# of filed Patents : 2 Total Citations : 16 | |||
Willis, Edward Keith | Madison, TN | 7 | 59 |
# of filed Patents : 7 Total Citations : 59 |
Cited Art Landscape
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Patent Citation Ranking
- 8 Citation Count
- D04H Class
- 1.16 % this patent is cited more than
- 19 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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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

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Aug 09, 2022 | 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 |
Jun 19, 2021 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:HEAR IP PTY LTD;REEL/FRAME:056624/0381 Owner name: NOOPL, INC., CALIFORNIA Effective Date: Jun 19, 2021 |
Aug 13, 2018 | FEPP | FEE PAYMENT PROCEDURE | free format text: SURCHARGE FOR LATE PAYMENT, LARGE ENTITY (ORIGINAL EVENT CODE: M1554); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
Aug 13, 2018 | 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 |
Feb 10, 2015 | I | Issuance | |
Jan 21, 2015 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Dec 01, 2011 | P | Published | |
Jul 08, 2011 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:MEJIA, JORGE PATRICIO;DILLON, HARVEY ALBERT;REEL/FRAME:026682/0165 Owner name: HEAR IP PTY LTD., AUSTRALIA Effective Date: Jul 08, 2011 |
Dec 01, 2009 | F | Filing | |
Nov 05, 2008 | PD | Priority Date |

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