| Patents for Silsby Mfg. Co. |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| 12,350 | Feb. 06, 1855 | B. Holly | Rotary Pump | rotary pumps |
| 182,723 | Sep. 26, 1876 | W.H. Severson, H. Tyler | Improvement in hose-couplings | fire hoses |
| 182,724 | Sep. 26, 1876 | W.H. Severson, H. Tyler | Improvement in tube-expanders | pipe and tube expanders |
| 237,764 | Feb. 15, 1881 | E. Medden | Rotary pump | rotary pumps |
| 238,603 | Mar. 08, 1881 | E. Medden | Rotary engine | rotary steam engines |
| 242,672 | Jun. 07, 1881 | E. Medden | Journal-box | pump bearings |
| 243,938 | Jul. 05, 1881 | E. Medden | Hose-nozzle | fire hoses |
| 276,060 | Apr. 17, 1883 | E. Medden | Packing for journals | pump bearings |
| 365,448 | Jun. 28, 1887 | W.H. Severson | Hose-cart | steam fire engines |
| 365,618 | Jun. 28, 1887 | E. Medden | Heater | steam heating |
| 376,330 | Jan. 10, 1888 | E. Medden | Heater for steam fire-engines | steam fire engines |
