| Patents for Frederick Diehl |
Patents 1 -
15
of 27
      |
| Number | Date | Patentee | Title | Type |
| 867,914 | Oct. 08, 1907 | F. Diehl, A.F. Becker | Electric fan | |
| 938,649 | Nov. 02, 1909 | F. Diehl | Controller for electric motors | |
| 961,135 | Jun. 14, 1910 | F. Diehl | Sewing-machine | |
| 1,037,217 | Sep. 03, 1912 | F. Diehl | Lubricating device | motor lubrication |
| 1,207,719 | Dec. 12, 1916 | H.L. Zabriskie, F. Diehl | Portable motor-support | |
| 1,207,828 | Dec. 12, 1916 | H.L. Zabriskie, G.C. Marx | Portable motor-support | |
| 1,212,002 | Jan. 09, 1917 | B.B. Bean | Valve Grinding Tool | valve grinding tools |
| 1,253,795 | Jan. 15, 1918 | F. Diehl | Drive-wheel | |
| 1,254,607 | Jan. 22, 1918 | W.F. Koch | Micrometer | micrometers |
| 1,369,407 | Feb. 22, 1921 | F. Diehl | Rheostat | |
| 1,369,408 | Feb. 22, 1921 | F. Diehl | Commutator and commutator-bar | motor commutators |
| 1,370,744 | Mar. 08, 1921 | F. Diehl | Winding-machine | machine making |
| 1,379,505 | May 24, 1921 | H.L. Zabriskie, F. Diehl | Lubricating-ring | industrial machine lubrication |
| 1,403,151 | Jan. 10, 1922 | F. Diehl | Oscillating fan | |
| 1,411,712 | Apr. 04, 1922 | F. Diehl | Time-controlled motor | |
