Patents for Hein-Werner Corp. |
Patents 1 -
10
of 65
      |
Picture | Number | Date | Patentee | Title |
 | 2,038,974 | Apr. 28, 1936 | R.W. Werner | Hydraulic jack |
 | CA-365,295 | Apr. 06, 1937 | R.W. Werner | Hydraulic jack |
 | 2,211,249 | Aug. 13, 1940 | R.W. Werner | Hydraulic jack and method in the manufacture thereof |
 | CA-400,933 | Nov. 25, 1941 | R.W. Werner | Hydraulic jack |
 | 2,507,003 | May 09, 1950 | A. Gagne | Yoke and drawbar element for hydraulic sleeve-pulling devices |
| 2,938,564 | May 31, 1960 | S.J. Rhodes | Three point bender with rod guided ram |
 | 3,268,208 | Aug. 23, 1966 | H.O. Feilbach, D.E. Stuart | Air jack with lubricating means |
 | 3,396,860 | Aug. 13, 1968 | W.J. Witwer, J.V. Wright | Excavator and grader or crane apparatus |
| 3,426,926 | Feb. 11, 1969 | W.J. Witwer | Hydraulic system for use with telescopic boom apparatus |
| 3,451,560 | Jun. 24, 1969 | W.J. Witwer | Remote control system |