Patents for William G. Hoelscher |
Patents 1 -
50
of 61
      |
Picture | Number | Date | Patentee | Title |
| 1,314,744 | Sep. 02, 1919 | W.G. Hoelscher, W.F. Groene | Lathe |
| 1,363,969 | Dec. 28, 1920 | W.G. Hoelscher, W.F. Groene | Base and Chip Pan for Machine Tools |
| 1,703,791 | Feb. 26, 1929 | W.G. Hoelscher, A.M. Sosa | Feeding Mechanism for Drilling Machinery |
| 1,724,430 | Aug. 13, 1929 | W.G. Hoelscher, A.M. Sosa | Drilling Machinery |
| 1,764,810 | Jun. 17, 1930 | W.G. Hoelscher, A.M. Sosa | Elevating Mechanism for Drilling Machines |
| 1,850,302 | Mar. 22, 1932 | W.G. Hoelscher | Transmission |
| 1,855,882 | Apr. 26, 1932 | R.L. Williamson, W.G. Hoelscher | Reversing Gear and Clutch Mechanism |
 | 1,910,334 | May 23, 1933 | W.G. Hoelscher, A.E. Robinson | Lathe carriage apron mechanism |
| 1,916,118 | Jun. 27, 1933 | W.G. Hoelscher, A.E. Robinson | Lapping Machine |
 | 1,926,996 | Sep. 12, 1933 | G. Hieber, W.G. Hoelscher | Carriage feeding mechanism for lathes |
| 1,926,997 | Sep. 12, 1933 | A.E. Robinson, W.G. Hoelscher | Lathe Bed Construction |
 | 1,926,998 | Sep. 12, 1933 | W.G. Hoelscher | Lubrication apparatus for transmissions |
 | 1,938,906 | Dec. 12, 1933 | W.G. Hoelscher | Lathe headstock |
 | 1,966,409 | Jul. 10, 1934 | W.G. Hoelscher | Tailstock for lathes |
| 1,971,955 | Aug. 28, 1934 | W.G. Hoelscher | Reversing Gear and Clutch Mechanism |
 | 1,971,956 | Aug. 28, 1934 | W.G. Hoelscher | Lathe |
 | 1,982,612 | Nov. 27, 1934 | W.G. Hoelscher | Feed box transmission |
 | 2,011,318 | Aug. 13, 1935 | W.G. Hoelscher | Relieving attachment |
| 2,012,082 | Aug. 20, 1935 | W.G. Hoelscher, G.E. Hieber | Hydraulic Gear Shifting System |
| 2,012,084 | Aug. 20, 1935 | A.E. Robinson, G.E. Hieber, W.G. Hoelscher | Hydraulic Gear Shifting Mechanism |
 | 2,018,363 | Oct. 22, 1935 | W.G. Hoelscher, A.E. Robinson | Attachment for machine tools |
 | 2,074,961 | Mar. 23, 1937 | W.G. Hoelscher | Machine tool feeding mechanism |
| 2,172,999 | Sep. 12, 1939 | W.G. Hoelscher | Electrically Controlled Automatic Lathe |
 | 2,173,557 | Sep. 19, 1939 | W.G. Hoelscher | Tapering attachment for lathes |
| 2,278,262 | Mar. 31, 1942 | W.G. Hoelscher | Counterweight Mechanism for Drill Spindles |
| 2,278,263 | Mar. 31, 1942 | W.G. Hoelscher | Speed Indicator Means |
| 2,295,516 | Sep. 08, 1942 | W.G. Hoelscher | Head Traverse Mechanism for Radial Drills |
| 2,313,438 | Mar. 09, 1943 | W.G. Hoelscher | Fluid Operated Gear Shifting Mechanism |
| 2,317,060 | Apr. 20, 1943 | W.G. Hoelscher | Safety Device for Radial Drill Arm Elevating Screws |
| 2,330,426 | Sep. 28, 1943 | W.G. Hoelscher | Radial Drill |
| 2,332,381 | Oct. 19, 1943 | W.G. Hoelscher | Lathe Spindle Speed Control |
| 2,357,952 | Sep. 12, 1944 | W.G. Hoelscher | Fluid Operated Gear Shifting Mechanism |
| 2,366,110 | Dec. 26, 1944 | W.G. Hoelscher | Device for Resisting Movement of the Arm of a Drill |
| 2,382,719 | Aug. 14, 1945 | W.G. Hoelscher | Drill Spindle Driving Mechanism |
| 2,384,744 | Sep. 11, 1945 | W.G. Hoelscher | Drill Spindle Driving Mechanism |
| 2,384,745 | Sep. 11, 1945 | W.G. Hoelscher | Drill Spindle Driving Mechanism |
| 2,425,281 | Aug. 05, 1947 | W.G. Hoelscher | Lubrication of machine tools |
| 2,441,764 | May 18, 1948 | W.G. Hoelscher | Column Lubrication for Radial Drills |
| 2,475,665 | Jul. 12, 1949 | W.G. Hoelscher | Drill Spindle Driving Mechanism |
| 2,505,737 | Apr. 25, 1950 | W.G. Hoelscher | Lubrication of the Ways and Aprons of Lathes |
| 2,557,822 | Jun. 19, 1951 | W.G. Hoelscher | Column Lubrication for Radial Drills |
| 2,568,335 | Sep. 18, 1951 | W.G. Hoelscher | Pump lubrication for elevating screws |
| 2,571,363 | Oct. 16, 1951 | W.G. Hoelscher | Mounting for Work Centers and the Like |
| 2,572,479 | Oct. 23, 1951 | W.G. Hoelscher | Lathe Spindle Speed Control Mechanism |
| 2,584,963 | Feb. 05, 1952 | W.G. Hoelscher | Feed Indicating Dials for Lathe Carriages |
| 2,586,654 | Feb. 19, 1952 | W.G. Hoelscher | Tracer Control Valve |
| 2,603,117 | Jul. 15, 1952 | W.G. Hoelscher, M. Turchan | Template Controlled Machine Tool |
| 2,608,109 | Aug. 26, 1952 | W.G. Hoelscher | Hand or Power Transmitting Apparatus |
| 2,608,120 | Aug. 26, 1952 | W.G. Hoelscher | Pawl and Ratchet Mechanism for Lathe Tailstocks |
| 2,612,070 | Sep. 30, 1952 | W.G. Hoelscher | Displaceable Bearing for Lathe Feed Shafts |