| All Patents in class 285/390 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 30,678 | Nov. 20, 1860 | B. Holly | Hose Coupling Nut | water hoses |
| 49,142 | Aug. 01, 1865 | J. Old | Pipe Coupling | pipe wrenches |
| 319,144 | Jun. 02, 1885 | N. Stephens, M.L. Ritchie | Method of utilizing old boiler-tubes | |
| 447,775 | Mar. 10, 1891 | C.A. Higbee | Screw bolt and nut | firefighting tools |
| 597,000 | Jan. 11, 1898 | C.A. Higbee | Pipe coupling | |
| 946,919 | Jan. 18, 1910 | A.A. Koch | Corrugated culvert and process of producing same | |
| 2,079,692 | May 11, 1937 | F.J. Lapointe | Broach shank connector | broaches |
