| Patents for W. J. Koerth |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| 533,386 | Jan. 29, 1895 | G.B. Upshaw | Nut Wrench | ratchet wrenches |
| 542,064 | Jul. 02, 1895 | C.T. Moorman | Device For Oiling Vehicle Axles | axle nut wrench combination tools |
| 543,953 | Aug. 06, 1895 | A.W. Whitney, F.A. Whitney | Pipe Wrench and Cutter | wrench jaw components |
| 548,571 | Oct. 22, 1895 | G.H. Miller | Pipe Wrench | pipe wrenches |
| 549,623 | Nov. 12, 1895 | G.M. Bailey | Pruning Implement | |
| 552,121 | Dec. 31, 1895 | J.S. Oliver, E.A. Gilbert | Ratchet-Wrench | ratchet wrenches |
| 554,846 | Feb. 18, 1896 | J.E. Vincent | Combined Nut Wrench and Support for Shafts or Tongues | axle nut wrench combination tools |
| 566,249 | Aug. 18, 1896 | S.S. Ball, C.M. Tinsman | Wire Fence Tool | pliers |
| 566,678 | Aug. 25, 1896 | W.S. Gilmore | Pipe Wrench | chain and strap wrenches |
| 578,636 | Mar. 09, 1897 | F. Rogers, J.F. Hertzler | Device For Removing Tire Bolts | tire bolt wrenches |
| 603,178 | Apr. 26, 1898 | M.H. Curry | Wrench | axle nut wrenches that lock nut to wheel hub |
| CA-62,995 | Apr. 27, 1899 | F. Hoerens | Wrench | pipe and nut combination wrenches |
| 632,051 | Aug. 29, 1899 | F. Hoerens | Wrench | pipe and nut combination wrenches |