| Patents for Calvin J. Weld |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 56,472 | Jul. 17, 1866 | C.J. Weld | Improvement in machines for fluting wash-boards | specialty woodworking machines |
| 118,312 | Aug. 22, 1871 | C.J. Weld | Improvement in washing-machines | washing machines |
| 141,302 | Jul. 29, 1873 | C.J. Weld | Improvement in water-regulators for boilers | stationary boilers |
| 149,802 | Apr. 14, 1874 | J.W. Smith, C.J. Weld | Improvement in water-wheels | turbine water wheels |
| 273,650 | Mar. 06, 1883 | C.J. Weld | Shingle-machine | shingle machines |
| CA-16,804 | May 04, 1883 | C.J. Weld | Improvement in shingle-machines | shingle machines |
