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DIHACO DIAMANTEN HANDELS CO

Overview
  • Total Patents
    32
About

DIHACO DIAMANTEN HANDELS CO has a total of 32 patent applications. Its first patent ever was published in 1973. It filed its patents most often in Germany, Canada and Switzerland. Its main competitors in its focus markets measurement are MO N PROIZV OB IZMERITEL, GUANGZHOU HONGQI OPTICAL INSTR TECHNOLOGY CO LTD and SCHWERIN BEZIRKSNERVENKLINIK.

Patent filings in countries

World map showing DIHACO DIAMANTEN HANDELS COs patent filings in countries
# Country Total Patents
#1 Germany 5
#2 Canada 3
#3 Switzerland 3
#4 France 3
#5 United Kingdom 3
#6 Italy 3
#7 Austria 2
#8 Denmark 2
#9 Israel 2
#10 Japan 2
#11 United States 2
#12 Belgium 1
#13 Sweden 1

Patent filings per year

Chart showing DIHACO DIAMANTEN HANDELS COs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Measurement

Focus technologies

# Technology
#1 Analysing materials

Top inventors

# Name Total Patents
#1 Brueck Gernot Klaus 7
#2 Bruck Gernot K 3
#3 Gerunooto Kurausu Buriyutsuku 2
#4 Brueck G K 2
#5 Bruck G K 1
#6 Gernot Klaus Brueck 1
#7 Bryck G K 1
#8 Bruck Gernot Klaus 1
#9 Brueck Gernot K 1

Latest patents

Publication Filing date Title
GB1566325A Process and apparatus for ascertaining data relating to the valuation of gems
DE2623595A1 Evaluation of precious stones - using narrow light beam whose cross section is equal to smallest inclusion to be detected
DE2604410A1 Evaluation of precious stones - using narrow light beam whose cross section is equal to smallest inclusion to be detected
DE2444644A1 METHOD AND DEVICE FOR DETERMINING AND SIZING INCLUSIONS IN GEMSTONES
CA997940A Apparatus for evaluating coloured gems, particularly cut diamonds
DE2313783A1 DEVICE FOR SETTING THE EVALUATION DATA OF COLORED GEMSTONES, IN PARTICULAR DIAMONDS