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SPECTRUM DIAMONDS PTY LTD

Overview
  • Total Patents
    72
About

SPECTRUM DIAMONDS PTY LTD has a total of 72 patent applications. Its first patent ever was published in 1966. It filed its patents most often in Canada, Germany and United Kingdom. Its main competitors in its focus markets machine tools, consumer goods and machines are ZHEJIANG HUMO POLISHING GRINDER MANUFACTURE CO LTD, XINCHANG COUNTY YISHAN DRESS ORNAMENT CO LTD and CHANGSHU INNOVATION CERAMIC CO LTD.

Patent filings in countries

World map showing SPECTRUM DIAMONDS PTY LTDs patent filings in countries
# Country Total Patents
#1 Canada 8
#2 Germany 8
#3 United Kingdom 8
#4 Ireland 8
#5 Israel 8
#6 United States 7
#7 Belgium 5
#8 Spain 4
#9 France 4
#10 Netherlands 4
#11 Brazil 2
#12 India 2
#13 Italy 2
#14 South Africa 2

Patent filings per year

Chart showing SPECTRUM DIAMONDS PTY LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Machine tools
#2 Consumer goods
#3 Machines

Top inventors

# Name Total Patents
#1 Leibowitz Alec 23
#2 Leibowitz A 5
#3 Liebowitz Alec 4
#4 Leibowetz A 1

Latest patents

Publication Filing date Title
GB1421331A Apparatus for polishing gem stones
GB1421332A Apparatus for polishing gem stones
IE31607L Machine for polishing gem stones.
IE31608L Dashpot control apparatus.
IL29138A Control apparatus for gem stone polishing
IE31595L Polishing gem stones.
IE31594L Faceting gem stones.
IE30706L Gem holder.
IE30705L Gem holder.
GB1171211A Improvements in and relating to Holders for Gem Stones
GB1209147A Improvements in dashpot control apparatus
GB1207315A Faceting gem stones
GB1206937A Improvements relating to gem stones
GB1205220A Device for use in cutting or polishing gem stones
CA808976A Dashpot control for gem grinding apparatus
CA805927A Programmed apparatus for polishing gem stones
CA808975A Holders for gem stones
CA809435A Holders for gem stones
CA872588A Gem stones
CA818201A Control apparatus for gem stone polishing