| Patents for William C. Hibbard |
Patents 1 -
10
of 12
      |
| Picture | Number | Date | Patentee | Title |
 | 9,158 | Jul. 27, 1852 | H.D. Walcott | Graduated cutter for cloth and other substances |
 | 10,614 | Mar. 07, 1854 | A.M. Sawyer | Machine for splitting ratan |
 | 11,223 | Jul. 04, 1854 | W.C. Hibbard | Regulating the motion of steam-engines |
 | 21,756 | Oct. 12, 1858 | W.C. Hibbard | Improvement in centrifugal pumps |
 | 34,040 | Dec. 24, 1861 | S. Sawyer | Improved fuse-hood for shells |
 | 34,041 | Dec. 24, 1861 | S. Sawyer | Improvement in mandrels for loading case-shot, &c. |
 | 35,193 | May 06, 1862 | J.P. Woodbury | Improvement in arming war-vessels |
 | 35,965 | Jul. 22, 1862 | S.S. Gray, J.P. Woodbury | Improvement in sabots for feathered projectiles |
 | 36,172 | Aug. 12, 1862 | A.M. Sawyer, S. Sawyer | Improvement in combined time and percussion fuses for explosive shells |
 | 38,699 | May 26, 1863 | A.M. Sawyer | Improvement in igniting time-fuses of shells |
