David John Koester
Inventor
Stats
- 9 US patents issued
- 10 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 9 US Patents Issued
- 10 US Applications Filed
- 114 Total Citation Count
- Apr 26, 2016 Most Recent Filing
- Mar 19, 2002 Earliest Filing
Work History
Patent Owner | Applications Filed | Year |
---|---|---|
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
Address | Duration |
---|---|
Gladbrook, IA | Dec 13, 05 - Dec 30, 08 |
Gladbrook, IA, US | Sep 25, 03 - Dec 24, 15 |
Marshalltown, IA, US | Jan 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 / Issued | Title | Citations |
---|---|---|---|
9587747 | 2017 | Flexible seals for process control valves | 1 |
2016/0238,149 | 2016 | FLUID VALVE APPARATUS HAVING ENCLOSED SEALS | 0 |
9400061 | 2016 | Fluid valve apparatus having enclosed seals | 0 |
2015/0369,371 | 2015 | FLEXIBLE SEALS FOR PROCESS CONTROL VALVES | 0 |
9127775 | 2015 | Flexible seals for process control valves | 5 |
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