Learn more

VAJNA SANDOR

Overview
  • Total Patents
    15
About

VAJNA SANDOR has a total of 15 patent applications. Its first patent ever was published in 1959. It filed its patents most often in Canada, Germany and Belgium. Its main competitors in its focus markets chemical engineering, materials and metallurgy and agriculture are MORITA MASATOSHI, RIVE TECHNOLOGY INC and SILICONVALUE LLC.

Patent filings in countries

World map showing VAJNA SANDORs patent filings in countries
# Country Total Patents
#1 Canada 3
#2 Germany 3
#3 Belgium 2
#4 Spain 2
#5 United States 2
#6 Switzerland 1
#7 United Kingdom 1
#8 Sweden 1

Patent filings per year

Chart showing VAJNA SANDORs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Vajna Sandor 9
#2 Vajna Sandor Dr 3
#3 Vajna Margit 1
#4 Vajna Sandor Dr Techn Dipl Ing 1

Latest patents

Publication Filing date Title
DE3115937A1 Process for producing virtually pure solutions of alkali metal sulphates or ammonium sulphates or of sulphuric acid from effluents
DE2941893A1 Sepn. of strongly and weakly dissociated cpds. - by sorption in ion exchanger bed and specified regeneration
US4198295A Process for increasing the exchange yield in ion exchange processes
US4108766A Ion exchange process with counter-current fractional regeneration
CA1071778A Process for increasing the exchange yield in ion exchange processes
DE2242452A1 Ion exchanger resin transfer system - for exchanger bed operated in reverse flow method
GB1260846A Process for the production of substantially pure products by means of ion exchange
ES264734A1 A system for preserving fresh products agriculturally stored in mills, especially sugar beething (Machine-translation by Google Translate, not legally binding)
ES249519A1 Procedure and installation to avoid sugar losses in sugar trailachas stored in montones (Machine-translation by Google Translate, not legally binding)
CA871400A Process for the production of pure products by means of ion exchange