Honeycomb filter

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9890673
SERIAL NO

15062609

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A honeycomb filter, wherein when a thermal expansion coefficient at 300 to 600° C. of a material constituting a honeycomb substrate is indicated by A (×10−6/° C.), the four-point bending strength of the material constituting the honeycomb substrate is indicated by B (MPa), the thickness of a thinnest portion in a portion partitioning outlet plugging cells of a partition wall 1 is indicated by t (mm), the thickness of a portion partitioning an outlet plugging cell and an inlet plugging cell of the partition wall is indicated by WT (mm), and the distance between the center of the outlet plugging cell and the center of the inlet plugging cell adjacent to each other is indicated by CP (mm), a relation of the following equation (1) is satisfied.

description='In-line Formulae' end='lead'0.714×WT+0.160≧t/CP≧0.163×A/B+0.105  (1)description='In-line Formulae' end='tail'

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
NGK INSULATORS LTD2-56 SUDA-CHO MIZUHO-KU NAGOYA-SHI AICHI 4678530 ?4678530

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kuki, Tatsuyuki Nagoya, JP 10 155

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
7.5 Year Payment $3600.00 $1800.00 $900.00 Aug 13, 2025
11.5 Year Payment $7400.00 $3700.00 $1850.00 Aug 13, 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