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| All Patents in class 15/104.095 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 572,037 | Nov. 24, 1896 | J.H. Voorhees | Steam Boiler Tube Cleaner | ||
| 1,110,319 | Sep. 15, 1914 | A.F. Froussard | Tube Cleaner | ||
| 1,161,122 | Nov. 23, 1915 | A.F. Froussard | Tube Cleaner | ||
| 1,221,984 | Apr. 10, 1917 | A.F. Froussard | Tube Cleaner | ||
| 1,367,314 | Feb. 01, 1921 | A.F. Froussard | Tube Cleaner | ||
| 2,161,028 | Jun. 06, 1939 | P.P. Dubosclard | Conduit cleaner | ||
 | 2,220,037 | Oct. 29, 1940 | R.P. Fitzgerald | Double-acting drop hammer | |
 | 3,116,576 | Jan. 07, 1964 | A. Block | Abrasive polisher | |