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MARGRET SPIEGEL

Overview
  • Total Patents
    13
About

MARGRET SPIEGEL has a total of 13 patent applications. Its first patent ever was published in 1998. It filed its patents most often in Australia, United States and Brazil. Its main competitors in its focus markets chemical engineering, foods and drinks and civil engineering are SPIEGEL MARGRET, KONIETZKO ALBRECHT and OSIPENKO SERGEY BORISOVICH.

Patent filings in countries

World map showing MARGRET SPIEGELs patent filings in countries
# Country Total Patents
#1 Australia 5
#2 United States 4
#3 Brazil 2
#4 China 2

Patent filings per year

Chart showing MARGRET SPIEGELs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Spiegel Margret 6
#2 Spiegel Pasquale 5
#3 Pasquale Spiegel 1
#4 Margret Spiegel 1
#5 Spiegel M 1

Latest patents

Publication Filing date Title
AU9734298A Mixer and method for dispensing cold water containing co2