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ENN VALLAK

Overview
  • Total Patents
    26
About

ENN VALLAK has a total of 26 patent applications. Its first patent ever was published in 1953. It filed its patents most often in United Kingdom, United States and Germany. Its main competitors in its focus markets materials and metallurgy and thermal processes are PEMETZRIEDER GEORG, WERTLI ALFRED and IDRA PRESSE S P A.

Patent filings in countries

World map showing ENN VALLAKs patent filings in countries
# Country Total Patents
#1 United Kingdom 8
#2 United States 8
#3 Germany 5
#4 Spain 2
#5 Sweden 2
#6 Finland 1

Patent filings per year

Chart showing ENN VALLAKs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Enn Vallak 6
#2 Vallak Enn 5
#3 Cedervall Goesta Hugo 2
#4 Eketorp Sven Gustaf Harald 2
#5 Vallak H 2
#6 Uipopuu Hans Friedrich 1
#7 Uibopuu Hans Friedrich 1
#8 Allvin Bertil Hilmer 1
#9 Allvin Bertil Helmer 1

Latest patents

Publication Filing date Title
US3706682A Hot tops and mixture of materials therefor
US3450188A Continuous casting method and arrangement
GB1110373A Method of and means for cooling the inner wall of a combustion or reaction chamber with particulate material
GB1100919A Method of and means for cooling a combustion chamber, or a reaction chamber used in smelting reduction processes
GB863966A Improvements in or relating to hot tops for ingot and like moulds
US2946103A Hot tops
GB828190A Improvements in or relating to sinking head boxes for moulds for casting steel or other metals
US2821758A Hot tops
US2873492A Hot tops, feeders or sinking head boxes
GB796467A Improvements in hot tops for casting moulds
ES222399A3 A disposition in associated coquillas with downward headboxes (Machine-translation by Google Translate, not legally binding)
US2781545A Machine for the production of molded boards
US2864141A Molds
GB764015A Improvements in chill moulds
GB753789A Improvements in or relating to sinking head boxes for chill moulds
GB731324A Improvements in or relating to chill moulds for casting steel or other metals and sinking head boxes therefor