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Gebrauchmuster on Wikipedia (in German)
OMI Desk Lamp
Materials: Red painted brass and iron. Bakelite socket, cast iron counterweight in the base. Red painted aluminium lampshade, white painted inside.
Height: 61 cm / 24.01”
Lampshade: ∅ 12 cm / 4.72”
Base: ∅ 12 cm / 4.72”
Electricity: 1 bulb E27, 1 x 75 watt maximum, 110/220 volt.
Any type of light bulb can be used, not a specific one preferred.
Period: 1960s, 1970s – Mid-Century Modern.
Designer: To be appraised.
Manufacturer: Sölken-Leuchten, Arnsberg, Germany.
When you do a search on the internet for the OMI mark on the chromed knee joint, you always find lamps that are described as lamps designed by Koch & Lowy for OMI.
Koch & Lowy is not a design team, but an American light company and has got nothing to do with this lamp. Some say OMI Switserland, but there is nothing to be found about a Swiss company with that name.
Others say OMI DBGM, because sometimes it is written on the knee joint. DBGM is not some type of company, but it is German for utility model, “gebrauchsmuster” in German. Only used in Germany and Austria: Deutsches Bundes-Gebrauchsmuster. To keep it simple, the knee joint is made by a company named OMI and the mechanism is licensed for some period, most of the time 10 years: the small brother of a patent.
Josef Sölken GmbH & Co. KG Leuchtenfabrik was founded in january 1950 as a family business. Over the years they produced and sold many lamps. Many of them were also sold by Massive from Belgium. The company Sölken was declared bankrupt in 2001, it had been in trouble for some time. Sölken-Leuchten was a client of OMI and used OMI parts for most of their lamps with some joints in it.
The Briloner lighting company owned by the Hustadt family has taken over the high-voltage system and in the low-cost Soelken systems compatible systems. The rest of the company was acquired by S-Leuchten Verwaltungs GmbH, also from Arnsberg. Today Sölken-Leuchten is owned by Stefan Schrader from Lichtservice Schrader in Hamburg.
The OMI company is Otto Meinzer GmbH & Co Metallwarenfabrik from Iserlohn in Germany (Otto Meinzer Iserlohn). It is a manufacturer of chromed brass joints for the lighting industry. The joints are marked with the OMI mark. The company was founded more than 50 years ago. They never produced lamps.
The electric parts are made by the Italian VLM Components company.