| Patents for Franklin Hardinge |
Patents 46 -
56
of 56
      |
| Number | Date | Patentee | Title | Type |
| 1,621,537 | Mar. 22, 1927 | F. Hardinge | Oil burner | industrial furnaces |
| 1,626,116 | Apr. 26, 1927 | F. Hardinge | Oil burner | industrial furnaces |
| 1,674,247 | Jun. 19, 1928 | F. Hardinge | Oil burner | industrial furnaces |
| 1,707,761 | Apr. 02, 1929 | F. Hardinge, B.H. Connor | Oil burner | industrial furnaces |
| 1,735,245 | Nov. 12, 1929 | F. Hardinge | Oil burner | industrial furnaces |
| 1,739,548 | Dec. 17, 1929 | F. Hardinge | Oil burner | industrial furnaces |
| 1,747,365 | Feb. 18, 1930 | F. Hardinge | Oil burner | industrial furnaces |
| 1,748,416 | Feb. 25, 1930 | F. Hardinge | Oil burner | industrial furnaces |
| 1,769,517 | Jul. 01, 1930 | M.G. Ivandick | Circuit closure | |
| 2,049,498 | Aug. 04, 1936 | F. Hardinge | Oil purifying system | industrial furnaces |
| 2,113,447 | Apr. 05, 1938 | F. Hardinge | Water separator for fluid lines | separators |
