| Patents for James B. Hill |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| 810,276 | Jan. 16, 1906 | J.B. Hill | Mold for Drain or Sewer Pipes | pipe molds |
| 828,208 | Aug. 07, 1906 | J.B. Hill | Ditching-Machine | ditching machines |
| 865,702 | Sep. 10, 1907 | J.B. Hill | Ditching-Machine | ditching machines |
| 866,647 | Sep. 24, 1907 | J.B. Hill | Traction-Apron | traction engine tracks |
| 870,827 | Nov. 12, 1907 | J.B. Hill | Saw-Holder | saw vises |
| 885,343 | Apr. 21, 1908 | J.B. Hill | Digging-Machine | ditching machines |
| 941,145 | Nov. 23, 1909 | J.B. Hill | Ditching-Machine | ditching machines |
| 1,006,752 | Oct. 24, 1911 | J.B. Hill | Soil-Pulverizer | harrows |
| 1,105,562 | Jul. 28, 1914 | J.B. Hill | Tractor | tractors |
| 1,128,138 | Feb. 09, 1915 | J.B. Hill | Roller-Bearing Apron-Wheel | tractor tracks |
| 1,272,260 | Jul. 09, 1918 | J.B. Hill | Harrow | harrows |
