David John Koester

Inventor

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Work History

Patent OwnerApplications FiledYear
FISHER CONTROLS INTERNATIONAL LLC
2
2
2
1
2007
2013
2015
2016
FISHER CONTROLS INTERNATIONAL LLC
2
3
2
2
2002
2004
2005
2012

Inventor Addresses

AddressDuration
Gladbrook, IADec 13, 05 - Dec 30, 08
Gladbrook, IA, USSep 25, 03 - Dec 24, 15
Marshalltown, IA, USJan 29, 15 - Mar 07, 17

Technology Profile

Technology Matters
F16J: PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS 1
F16K: VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING 10

Patents / Publication

Patents / Publication #Year of Publication / IssuedTitleCitations
95877472017Flexible seals for process control valves1
2016/0238,1492016FLUID VALVE APPARATUS HAVING ENCLOSED SEALS0
94000612016Fluid valve apparatus having enclosed seals0
2015/0369,3712015FLEXIBLE SEALS FOR PROCESS CONTROL VALVES0
91277752015Flexible seals for process control valves5

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