| All Patents of Type: cranes |
Patents 1 -
15
of 15
      |
| Number | Date | Patentee | Title | Type |
| 285,100 | Sep. 18, 1883 | H.M. Barnhart, E. Huber | Traveling crane | cranes |
| 325,309 | Sep. 01, 1885 | H.M. Barnhart, E. Huber | Device for loading and unloading cars | cranes |
| 374,756 | Dec. 13, 1887 | W.H. Ridgway | Crane | jib cranes |
| 411,681 | Sep. 24, 1889 | W.H. Ridgway | Crane | jib cranes |
| 1,296,757 | Mar. 11, 1919 | S. Buckley | Bridge for Traveling Cranes | bridge cranes |
| 1,296,758 | Mar. 11, 1919 | S. Buckley | Bridge for Traveling Cranes | bridge cranes |
| 1,296,759 | Mar. 11, 1919 | S. Buckley | Bridge for Traveling Cranes | bridge cranes |
| 1,345,881 | Jul. 06, 1920 | J.A. Butterworth, W.H. Purnell | Portable Jib Crane | jib cranes |
| 1,422,459 | Jul. 11, 1922 | R.E. Manley | Portable floor crane | cranes |
| 1,576,702 | Mar. 16, 1926 | F. Ackerman | Electrically Operated Bridge Crane | cranes |
| 2,382,054 | Aug. 14, 1945 | L.L. Hercik | Portable crane | portable cranes |
| 2,503,590 | Apr. 11, 1950 | A.E. Ormsby | Truck crane | jib cranes |
| 2,549,120 | Apr. 17, 1951 | A.E. Ormsby | Crane | jib cranes |
| 3,396,860 | Aug. 13, 1968 | W.J. Witwer, J.V. Wright | Excavator and grader or crane apparatus | excavators |
| CA-822,521 | Sep. 09, 1969 | W.J. Witwer, J.V. Wright | Excavator and grader or crane apparatus | excavators |
