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| All Patents in class 30/108 | |||||
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| Number | Date | Patentee | Title | Type | |
| 175,685 | Apr. 04, 1876 | W.H. Forker | Flue Cutter | tube cutting machines | |
| 333,235 | Dec. 29, 1885 | S.G. Lawson | Glass Tube Cutter | glass cutters | |
| 363,563 | May 24, 1887 | E.P. Burnham, E.B. Toedt | Instrument for Cutting Off Glass Tubes | glass cutters | |
| 422,725 | Mar. 04, 1890 | D.S. Chesebro | Tube Cutter | tube cutting machines | |
| 483,778 | Oct. 04, 1892 | A.W. Chesterton | Tool for Cutting Glass Gage-Tubes | glass cutters | |
| 996,385 | Jun. 27, 1911 | G.H. Wilkins | Glass-Tube Cutter | glass cutters | |