Koltek Oy

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Helsinki, FI

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Patents Grantslast 30 patents

Information Patent Grant
Hygienic stop valve
- Patent number 5,074,525
- Issue date Dec 24, 1991
- Koltek Oy
- Hannu Kujala
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Group valve for two separate liquid supply lines
- Patent number 4,196,752
- Issue date Apr 8, 1980
- Koltek Oy
- Erkki P. Niskanen
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
System and method for refreshing random access memory cells
- Publication number 20060004954
- Publication date Jan 5, 2006
- Koltek Inc.
- Hong-Gee Fang
- G11 - INFORMATION STORAGE
Information Patent Application
Refresh methods for RAM cells featuring high speed access
- Publication number 20050237836
- Publication date Oct 27, 2005
- Koltek Inc.
- Hong-Gee Fang
- G11 - INFORMATION STORAGE

Trademarklast 30 trademarks

Information Trademark
78325281 - KT-SRAM
- Serial number 78325281
- Registration number 2982054
- Filing date Nov 10, 2003
- Koltek Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments