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HELLSTROEM CARL DIDRIK

Overview
  • Total Patents
    13
About

HELLSTROEM CARL DIDRIK has a total of 13 patent applications. Its first patent ever was published in 1893. It filed its patents most often in Switzerland, Denmark and United Kingdom. Its main competitors in its focus markets machines are CUKROPROJEKT, OHG E FONDERIE A BOSCO S P A and PECK PHILIP F.

Patent filings in countries

World map showing HELLSTROEM CARL DIDRIKs patent filings in countries
# Country Total Patents
#1 Switzerland 3
#2 Denmark 3
#3 United Kingdom 3
#4 Austria 2
#5 United States 2

Patent filings per year

Chart showing HELLSTROEM CARL DIDRIKs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Machines

Focus technologies

# Technology
#1 Centrifuges

Top inventors

# Name Total Patents
#1 Hellstroem Carl Didrik 10
#2 Carl Didrik Hellstroem 2
#3 Hellstroem Carl-Didrik 1

Latest patents

Publication Filing date Title
US954958A Centrifugal liquid-separator.
GB190628349A Improvements in Liners for Centrifugal Liquid Separators
GB190627691A Improvements in or relating to Centrifugal Liquid Separators
GB190512114A Improvements in or relating to Liners for Centrifugal Liquid Separators
US809685A Liner for centrifugal liquid-separators.