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The ''safety filler'' was born in the United States in the last decade of 1800, although it is not possible to define precisely an inventor, it is attributed if not the invention at least the massive introduction on the market to [[Waterman]], which was the main U.S. manufacturer to adopt it on a large scale.<ref>But the company has done so using many patents of ''Francis C. Brown'', of [[Caw's]]</ref> However, it has had a much greater success in Europe, where at the beginning of the century practically all the producers (and in particular the German ones, among which the [[Kaweco]] stands out, who also made some developments) made use of this system, and where it has remained in production much longer.

The ''safety filler'' was born in the United States in the last decade of 1800, although it is not possible to define precisely an inventor, its massive introduction on the market is attributed to [[Waterman]], which was the main manufacturer to adopt it on a large scale.<ref>but the company has done so using many patents of ''Francis C. Brown'' of [[Caw's]], which was the first brand to use it, albeit in a more primitive version.</ref> However, it has had a much greater success in Europe, where at the beginning of the century practically all the producers (and in particular the German ones, among which the [[Kaweco]] stands out, who also made some developments) made use of this system, and where it has remained in production much longer.