Kaiser is the German word for "emperor" In English, the term "the Kaiser" is usually reserved for the emperors of the German Empire and the emperors of the Austrian Empire.
"An emperor is a monarch, and usually the sovereign ruler of an empire or another type of imperial realm"
Herbert Kayser & Co, neuzeitliche Wirtschaftsapparate (Herbert Kayser & Co, modern commercial equipment) was founded by Herbert Kayser in Vienna, Austria in 1952. This name, which may seem old-fashioned nowadays, identified the essence of the company philosophy even then. To this day Kayser's philosophy still remains the same providing the highest quality products at the best prices.