Patents for Curtis & Co. Mfg. Co. |
Patents 1 -
15
of 16
|
Number | Date | Patentee | Title | Type |
70,728 | Nov. 12, 1867 | J.K. Lockwood | Improvement in saws | sawblades |
RE7,753 | Jun. 19, 1877 | J.K. Lockwood | Improvement in circular saws | sawblades |
RE8,076 | Feb. 05, 1878 | J.K. Lockwood | Improvement in circular saws | sawblades |
RE9,197 | May 11, 1880 | J.K. Lockwood | Circular saw | sawblades |
351,672 | Oct. 26, 1886 | S.S. Vail | Saw-guide | circular saw accessories |
369,026 | Aug. 30, 1887 | W.F. Parish | Two-saw trimmer | circular ripsaws |
D30,347 | Mar. 14, 1899 | M.F. Williams | Design for a pulley | industrial machine pulleys and belt drive mechanisms |
D30,348 | Mar. 14, 1899 | M.F. Williams | Design for a pulley | industrial machine pulleys and belt drive mechanisms |
686,778 | Nov. 19, 1901 | G.F. Steedman | Relief-governor for air-compressors | compressor relief valves |
1,153,181 | Sep. 07, 1915 | G.F. Steedman | Air-drier | air compressors |
1,162,262 | Nov. 30, 1915 | G.F. Steedman | Lubricating apparatus for compressors and similar machines | air compressors |
1,215,071 | Feb. 06, 1917 | G.F. Steedman | Unloading-Valve for Compressors | compressor relief valves |
1,396,391 | Nov. 08, 1921 | F. Ackerman, C.W. Frees | Power-operated compressor | air compressors |
1,428,402 | Sep. 05, 1922 | G.F. Steedman | Reciprocating Pump or Compressor | reciprocating pumps |
1,435,574 | Nov. 14, 1922 | F. Ackerman | Lubricating System for Piston Engines | internal combustion engine lubrication |