| All Patents of Type: heat treating machines |
Patents 1 -
15
of 15
      |
| Number | Date | Patentee | Title | Type |
| 385,347 | Jul. 03, 1888 | J.G. Folsom | Metal Hardening Device | heat treating machines |
| 453,162 | May 26, 1891 | E.E. Ries | Apparatus for Hardening and Tempering Steel and Iron | heat treating machines |
| GB-190,614,221 | May 30, 1907 | A. Nicholson | Improvements in or relating to Gas and Oil Furnaces for Heating and Melting Metals and the Like | industrial furnaces |
| 1,265,944 | May 14, 1918 | C. Napier | Process of and Apparatus for Heat Treatment of Metal Objects | heat treating machines |
| 1,838,532 | Dec. 29, 1931 | F.L. Creager | Apparatus for Heat Treating | heat treating machines |
| 2,220,002 | Oct. 29, 1940 | H.M. Binns, W.A. Maddox, M. Rollman | Heat Treating | flame hardening machines |
| 2,268,053 | Dec. 30, 1941 | F.P. Miller, W.A. Reese | Heat treatment of high-speed steel | heat treating machines |
| 2,294,187 | Aug. 25, 1942 | T.A. Waltz, A. Kullman | Apparatus for Heat Treating | heat treating machines |
| 2,309,518 | Jan. 26, 1943 | J.M. Luers | Quenching and Straightening Tool | heat treating machines |
| 2,312,839 | Mar. 02, 1943 | T.A. Waltz, A. Kullman | Flame Hardening Of Rack Bars | heat treating machines |
| 2,346,923 | Apr. 18, 1944 | T.A. Waltz, A. Kullman | Apparatus for Flame Hardening Racks and the Like | heat treating machines |
| 2,523,883 | Sep. 26, 1950 | M. Garvin, D.M. Strauchen | Heat Treating Machine | heat treating machines |
| 2,535,889 | Dec. 26, 1950 | C.A. Boehm | Instrument Mounting | heat treating machines |
| 2,555,517 | Jun. 05, 1951 | M. Garvin, D.M. Strauchen | Automatic Heat Treating Machine | heat treating machines |
| 2,867,556 | Jan. 06, 1959 | G.E. Tegen | Method of Flame Hardening | heat treating machines |
