Older Than deck / Inventions and everyday things
Paper coffee filter
Registered by Melitta Bentz
1908
Melitta Bentz’s filter used blotting paper in a pierced metal cup.
Sources and checks
Checked 2026-11-01: Researched by Codex (two independent publishers, verbatim quotes); every counted quote re-found on its page by the server check (content-verify, or content-verify-pdf for PDFs); scope and plausibility reviewed by Claude (AI build agent). Quotes are short passages from each source; for dates the quote is the year as printed, read in context.
“Juli 1908 auf Seite 1145 der Patentblätter”German Patent and Trade Mark Office — Dr Jan Björn Potthast, Bentz history: source, retrieved 2026-10-28; quote re-found by the server check
“Am 20. Juni 1908 lässt sich Melitta Bentz ihren Filter als Gebrauchsmuster schützen.”Melitta — original coffee-filter product history: source, retrieved 2026-10-28; quote re-found by the server check
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