| Patents for W. F. & John Barnes Co. |
Patents 46 -
60
of 66
      |
| Number | Date | Patentee | Title | Type |
| 948,472 | Feb. 08, 1910 | J.P. Barnes | Drilling Machine | |
| 973,843 | Oct. 25, 1910 | J.S. Barnes | Drilling-machine | drill presses |
| 979,918 | Dec. 27, 1910 | J.S. Barnes, J.R. Vincer | Gearing for Drilling Machines | industrial machine gearing |
| 998,227 | Jul. 18, 1911 | J.S. Barnes | Variable Speed Gearing | metalworking speed changing mechanisms |
| 1,024,818 | Apr. 30, 1912 | J.S. Barnes | Variable Speed Gearing | metalworking speed changing mechanisms |
| 1,043,724 | Nov. 05, 1912 | A.W. Redin | Drilling-machine | drill presses |
| 2,030,562 | Feb. 11, 1936 | P.R. Guirl, H. Barnes (executrix), J.S. Barnes (deceased, estate of) | Metal Working Apparatus | pipe cutting machines |
| 2,042,379 | May 26, 1936 | P.R. Guirl, J.S. Barnes | Metal Working Apparatus | metalworking machine mechanisms |
| 2,114,284 | Apr. 19, 1938 | H. Barnes (executrix), E.J. Svenson, P.R. Guirl, J.S. Barnes (deceased, estate of) | Machine Tool and Control Therefor | machine tool controls |
| RE20,974 | Jan. 10, 1939 | J.S. Barnes (deceased, estate of), P.R. Guirl | Metal Working Apparatus | pipe cutting machines |
| 2,352,146 | Jun. 20, 1944 | J. Desenberg | Grinding and Polishing Machine | polishing and buffing machinery |
| D144,103 | Mar. 12, 1946 | J. Desenberg | Optical Curve Generator | |
| 2,818,873 | Jan. 07, 1958 | R.S. Bonzi, C.R. Carlson | Jar Washer | jar washing machines |
| 2,906,072 | Sep. 29, 1959 | E.C. Carlson | Can Cover Feed | metalworking machine mechanisms |
| 2,909,985 | Oct. 27, 1959 | V.R. Abrams | Food Sterilizer | |
