The Fountain Pen Patent Archive

The instruments that put ink under pressure

Ink feed mechanism

Patent drawing showing a disassembled 19th-century fountain pen with labeled parts including barrel sections, quill conductor, nib, and small hardware components like screws and disks.IMPROVEMENT IN FOUNTAIN-PENSCharles Adolphus Rosefield · May 12, 1857Patent drawing showing six figures of a fountain pen holder, including a longitudinal cross-section revealing an internal ink reservoir, elastic rubber chamber, connecting rod, curved ink delivery tube to the nib, a plunger with hooked wire for filling, and a protective cap for the pen point.IMPROVEMENT IN FOUNTAIN-PENSHenri Berlie and François X. Lamboley · May 1, 1877