Headquarters Finland

K-Patents is now Vaisala Oyj

Please note our changed contact details. Download a PDF with updated contact details.


Vaisala Oyj
Postal address: P.O. Box 26, FI-00421 Helsinki, Finland.
Street address: Vaisala Oyj, Vanha Nurmijärventie 21, FI-01670 Vantaa, Finland

Street map »

Phone. +358 9 89491
Fax. +358 9 8949 2227
E-mail: info(at)kpatents.com (this email address is still in use and messages to this address are redirected to Vaisala)





Company name: Vaisala Oyj K-Patents Oy
Street address:


Vanha Nurmijärventie 21,
FI-01670 Vantaa

Mailing address:


P.O. Box 26
FI-00421 Helsinki

Mobile phone numbers: Will not change  
Switchboard number: Int. +358 9 89 491  
Email addresses: firstname.lastname@vaisala.com firstname.lastname@kpatents.com

Effective during 2020, Home-page address:




K-Patents products, applications and services, e.g. user guides, videos and support material will be gradually transferred to www.vaisala.com. The former website URL @kpatents.com works in parallel for now.




Product name: Vaisala K-PATENTS® Process Refractometer K-Patents Process Refractometer






You can continue ordering Vaisala K-PATENTS® Process Refractometer products and services via your current, local sales distributor in your country as before.

Our Customer Service Representatives will be happy to answer your questions regarding orders via email at vim-orders-liquid(at)vaisala.com, or you can contact your local sales distributors.