| Patents for Hugh W. Hill | 
| Patents 1 - 
					7
					of 7 
       | 
| Number | Date | Patentee | Title | Type | 
| 130,853 | Aug. 27, 1872 | H.W. Hill | Improvement in Implements for Ringing Hogs | hog ring | 
| 145,105 | Dec. 02, 1873 | H.W. Hill | Hog Tongs | hog tongs | 
| 156,669 | Nov. 10, 1874 | C.P. Housum | Instruments For Ringing Hogs | hog ring | 
| 196,976 | Nov. 13, 1877 | H.W. Hill | Gage for Handling and Distributing Paper, Circulars, &c. | paper gages | 
| 203,272 | May 07, 1878 | H.W. Hill | Hog-Ringing Implement | hog ring | 
| 204,736 | Jun. 11, 1878 | C.P. Housum, H.W. Hill | Device For Marking Animals | hog ring | 
| 475,767 | May 31, 1892 | H.W. Hill | Hog Ring Pinchers | hog ring |