Keyed coupling system for torque transmission

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11927223
APP PUB NO 20220275837A1
SERIAL NO

17186210

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A Woodruff key system includes a rotatable shaft having a keyseat defined therein. The keyseat includes a pocket engaged with the Woodruff key, a first keyseat extension extending in a first axial direction from the Woodruff key relative to the shaft, and a second keyseat extension extending in a second axial direction opposite the first axial direction from the Woodruff key relative to the shaft. Respective depths of the first and second keyseat extensions are less than a depth of the pocket of the keyseat.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
PRATT & WHITNEY CANADA CORPLONGUEUIL QUÉBEC J4G 1A1

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hadlo, Marta Rzeszów, PL 1 0
Kesek, Mateusz Dȩbica, PL 7 0
Piotrowski, Maciej Rzeszów, PL 3 1

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
3.5 Year Payment $1600.00 $800.00 $400.00 Sep 12, 2027
7.5 Year Payment $3600.00 $1800.00 $900.00 Sep 12, 2031
11.5 Year Payment $7400.00 $3700.00 $1850.00 Sep 12, 2035
Fee Large entity fee small entity fee micro entity fee
Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
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