This is the 11156th most frequent German word.
seifert
"Seifert" is not a standard German word; it is typically a surname.
In this sentence, 'Seifert' is used as a proper noun—specifically, as a family name.
Seifert ist ein häufiger Nachname in Deutschland.
Seifert is a common last name in Germany.
Here, 'Seifert' is used to refer to a company's name, acting as a brand identifier.
Die Firma Seifert stellt hochwertige Maschinen her.
The company Seifert produces high-quality machines.
In this case, 'Seifert' is used as part of a formal address to an individual, using their last name.