| Patents for Niagara Machine & Tool Works |
Patents 16 -
30
of 46
      |
| Number | Date | Patentee | Title | Type |
| 1,812,479 | Jun. 30, 1931 | P.R. Hahnemann | Sheet metal working machine | sheet metal |
| 1,822,697 | Sep. 08, 1931 | P.R. Hahnemann | Sheet-metal working machine | beading machines |
| 1,853,766 | Apr. 12, 1932 | P.R. Hahnemann | Nonrepeating clutch | industrial machine clutches |
| 1,945,282 | Jan. 30, 1934 | B.J. Lindgren | Supporting structure for punch presses and the like | punch presses |
| 2,011,629 | Aug. 20, 1935 | F.E. Munschauer, P.R. Hahnemann | Clutch for punch presses or the like | punch presses |
| 2,404,980 | Jul. 30, 1946 | E.A. Munschauer, Jr. | Machine control means | metal shearing machines |
| 2,428,337 | Sep. 30, 1947 | F.E. Munschauer | Sleeve clutch and brake | metal shearing machines |
| 2,444,664 | Jul. 06, 1948 | F.E. Munschauer | Hydraulic drive for reciprocating work table with long stroke length | metalworking machine mechanisms |
| 2,556,936 | Jun. 12, 1951 | E.A. Munschauer, Jr. | Hold-down for shears | |
| D167,710 | Sep. 09, 1952 | F.E. Munschauer, Jr. | Shear | metal shearing machines |
| 2,639,796 | May 26, 1953 | R.W. Dean | Machine control means | metalworking machine mechanisms |
| 2,645,287 | Jul. 14, 1953 | F.E. Munschauer | Adjustable guide for shear knives | metal shearing machines |
| 2,722,298 | Nov. 01, 1955 | F.E. Munschauer | Pressure clutch and brake control for punch presses | punch presses |
| 2,771,790 | Nov. 27, 1956 | F.E. Munschauer | Double drive power punch press | punch presses |
| 2,778,421 | Jan. 22, 1957 | F.E. Munschauer | Shear | metal shearing machines |
