Hello Mr. Tore,
The separator was designed by "Ramesohl and Schmidt, Westfalia., Oelde
GEA Westfalia Separator Group GmbH with head office in Oelde, Westphalia is a German manufacturer of separators and decanters which is affiliated to the GEA Group. The company develops procedures and processes for the mechanical clarification and separation of liquids for the food industry, chemicals, pharmaceuticals, biotechnology, energy, shipping and environmental technology.
1931–1940
In 1931 the company presented the first self-cleaning separator. Co-founder Franz Schmidt died on 18. March 1937. In 1940 the turnover surpassed the 10 million Reichsmark limit for the first time.
Patent DE470723C Filing date Jun 7, 1925 - Publication date Jan 25, 1929
Standing fluid centrifugal drum with upper supply and removal of the material to be centrifuged by axial pipes
I found this on the internet,
Regards,
Don_