KREMENEZKY JOHANN has a total of 21 patent applications. Its first patent ever was published in 1898. It filed its patents most often in Spain, Austria and Switzerland. Its main competitors in its focus markets electrical machinery and energy, materials and metallurgy and machines are MOORE CHAD BYRON, NIPPON DENKI SYLVANIA KK and HANKUK ELECTRIC GLASS CO LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | Spain | 7 | |
#2 | Austria | 4 | |
#3 | Switzerland | 3 | |
#4 | United States | 3 | |
#5 | Canada | 2 | |
#6 | United Kingdom | 2 |
# | Industry | |
---|---|---|
#1 | Electrical machinery and energy | |
#2 | Materials and metallurgy | |
#3 | Machines |
# | Technology | |
---|---|---|
#1 | Electric discharge tubes | |
#2 | Manufacturing processes | |
#3 | Treatment of glass |
# | Name | Total Patents |
---|---|---|
#1 | Kremenezky Johann | 14 |
Publication | Filing date | Title |
---|---|---|
CA118657A | Apparatus for working glass in the heat | |
CA118656A | Electric lamp bulb | |
US928670A | Apparatus for working glass in the heat. | |
US941996A | Process of sealing filament-carriers into bulbs of electric incandescent lamps. | |
GB190818278A | Improvements in the Process of Sealing the Filament Carrier into the Bulb of Electric Incandescent Lamps | |
GB190818279A | Improvements in Apparatus for Working Glass | |
US645266A | Fastening device for heads of electric glow-lamps. |