| Patents for Lidgerwood Mfg. Co. |
Patents 1 -
15
of 40
      |
| Number | Date | Patentee | Title | Type |
| 150,765 | May 12, 1874 | J. Knowlson, Jr. | Improvement in rope-drums for windlasses | hoists, winches, come-alongs |
| RE9,806 | Jul. 19, 1881 | J. Knowlson, Jr. | Rope-drum for windlasses | hoists, winches, come-alongs |
| 651,972 | Jun. 19, 1900 | S. Mattson | Derrick apparatus | hoists, winches, come-alongs |
| 652,798 | Jul. 03, 1900 | S. Mattson | Winch-head | hoists, winches, come-alongs |
| 671,177 | Apr. 02, 1901 | J.V. Beekman | Derrick-engine | hoists, winches, come-alongs |
| 710,954 | Oct. 14, 1902 | H.N. Covell | Drum-reversing device for winding-engines | hoists, winches, come-alongs |
| 713,487 | Nov. 11, 1902 | P. Olsen | Device for operating the dogs of hoisting-engines | hoists, winches, come-alongs |
| 715,338 | Dec. 09, 1902 | H.N. Covell, C.A. Baechtold | Swinging-gear for derrick engine | hoists, winches, come-alongs |
| 715,991 | Dec. 16, 1902 | C.A. Baechtold, H.N. Covell | Derrick swinging and controlling device | hoists, winches, come-alongs |
| 718,916 | Jan. 20, 1903 | H.N. Covell | Combined brake and friction operating mechanism | hoists, winches, come-alongs |
| 719,094 | Jan. 27, 1903 | J.H. Dickinson | Log-capper | sawmill log handling |
| 726,325 | Apr. 28, 1903 | J.H. Dickinson, T.S. Miller | Log hauling and loading machine | sawmill log handling |
| 729,292 | May 26, 1903 | J.H. Dickinson | Hoisting and conveying apparatus | hoists, winches, come-alongs |
| 741,633 | Oct. 20, 1903 | J.G. Crowdes | Cableway-carriage | hoists, winches, come-alongs |
| 747,480 | Dec. 22, 1903 | H.L. Reynolds | Excavating-bucket | excavators |
