Seal

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8439364
APP PUB NO 20100032908A1
SERIAL NO

12531959

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

This invention relates to a seal for sealing between a stator and rotor, including a generally annular carrier (11), an array of adjacent leaves (12) mounted in the annular carrier for sealing between the stator and the rotor with their panes lying parallel to the axis of the carrier and front and back plates (15, 16) disposed on respective axial sides of the leaves, characterized in the front and back plates (15, 16) have one or more apertures (17, 18) dimensioned for providing a substantially symmetric pressure drop across the leaves.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
CROSS MANUFACTURING COMPANY (1938) LIMITEDBATH AVON BA2 5RR

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bowsher, Aaron Devizes, GB 10 16
Crudgington, Peter Francis Freshford, GB 11 28

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
11.5 Year Payment $7400.00 $3700.00 $1850.00 Nov 14, 2024
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