Butterfly valve

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9140381
APP PUB NO 20130161552A1
SERIAL NO

13821097

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A butterfly valve (100) is provided according to the invention. The butterfly valve (100) includes a valve body (103) including a valve bore (109) passing through the valve body (103) and a shaft bore (112), a valve shaft (121) located in the shaft bore (112) and extending through the valve bore (109), a thermal conductor ring (156) fitted over an end of the valve shaft (121), and at least one compression ring (152) mounted to the thermal conductor ring (156) and located within the shaft bore (112). The at least one compression ring (152) fits partially into and extends partially out of a corresponding at least one ring groove (153) in the thermal conductor ring (156), with the at least one compression ring (152) substantially sealing the thermal conductor ring (156) to an actuator-side shaft bore (112A).

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
NORGREN GMBHBRUCKSTRASSE 93 ALPEN D-46519

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hufnagel, Timo Weinstadt, DE 6 9
Sealy, Mark Warwickshire, GB 11 142
Zlindra, Primoz Magstadt, DE 3 7

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 Mar 22, 2027
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