The Fountain Pen Patent Archive

The instruments that put ink under pressure

Iridium point

Patent drawing showing six figures of a steel dip pen nib with an attached spoon-shaped metal reservoir on its back, including plan and side views, a detached spoon piece, and cross-sectional details of the sliding attachment mechanism.IMPROVEMENT IN PENSHenry S. Goodspeed · March 9, 1869Patent drawing showing four figures of a fountain pen: a full longitudinal cross-section labeled Fig.1 with threaded cap, needle, valve, and tapering writing tube; a similar full pen view labeled Fig.2 showing the internal rod and needle; an enlarged detail of the tubular point and valve seat labeled Fig.3; and a side view labeled Fig.4 showing the needle and capillary tube feeding an ordinary pen nib.IMPROVEMENT IN FOUNTAIN-PENSAlonzo T. Cross · April 10, 1877A patent drawing showing a longitudinal cross-section of a slender stylographic fountain pen, revealing an inner flexible tube running from a rubber diaphragm near the cap down to a fine needle point, with labeled parts including the barrel (A), point-section (B), air-duct (D), needle (e), diaphragm (G), and protective cap (F).STYLOGRAPHIC FOUNTAIN-PENMarion H. Kerner · July 3, 1883Patent drawing sheet showing a slender cylindrical hard-rubber fountain pen in full perspective, a longitudinal cross-section revealing internal plug and channel parts, several circular detail cross-sections labeled with letters, and two close-up perspective views of the split pen point with nibs closed and open.FOUNTAIN-PENPaul E. Wirt · November 13, 1883Patent drawing of a fountain pen showing a long central section labeled A with a detailed nib and feed assembly at the tip, plus smaller cross-section and modification diagrams labeled Figs. 2 through 11.FOUNTAIN-PEN.Laforest A. Shattuck · September 25, 1888Patent drawing of a slender cylindrical fountain pen shown in full side view and in cutaway cross-sections, revealing an internal reservoir, a grooved tip passage, a feed-bar, a small cylindrical valve, and a coiled pen-holding spring near the nib.FOUNTAIN-PEN.Morris W. Moore · September 2, 1890Patent drawing of a fountain pen showing the barrel, plug, tubular point section, nib, feed rod with feed-tongue, and several cross-sectional and perspective views labeled with reference letters.FOUNTAIN-PENLucien B. Woolfolk · April 18, 1893Patent drawing showing eight labeled cross-sectional and detail views of a fountain pen, including the assembled holder, nib, feeder-bar with angular bore, and a small rubber ball on a wire used to regulate ink flow.FOUNTAIN-PEN.William W. Stewart · August 24, 1897