| All Patents of Type: pipe and tube expanders |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| 51,563 | Dec. 19, 1865 | J. Critchley | Pipe Expander | pipe and tube expanders |
| 182,724 | Sep. 26, 1876 | W.H. Severson, H. Tyler | Improvement in tube-expanders | pipe and tube expanders |
| 183,241 | Oct. 10, 1876 | A. Work | Tube Expander | pipe and tube expanders |
| 213,321 | Mar. 18, 1879 | D. Bushor | Tube-Expander | pipe and tube expanders |
| 333,206 | Dec. 29, 1885 | C. Dudley | Tube Expander | pipe and tube expanders |
| 333,410 | Dec. 29, 1885 | M.E. Hawkins | Device for Upsetting the Ends of Metal Pipes | pipe and tube expanders |
| 376,485 | Jan. 17, 1888 | E. Huber, J.H. Richards | Tube Expander | pipe and tube expanders |
| 410,282 | Sep. 03, 1889 | P. Jardine, J. Jardine | Pipe-expander | pipe and tube expanders |
| 1,114,351 | Oct. 20, 1914 | C.L. Heisler | Pipe Expanding and Beading Machine | tire repair tools |
| 1,335,660 | Mar. 30, 1920 | F.T. Conley | Pipe Expanding, Cutting or Nurling Tool | portable turning tools |
| 1,661,367 | Mar. 06, 1928 | B.F. Helminiak | Tube Flaring Tool | pipe and tube expanders |
| 1,795,358 | Mar. 10, 1931 | W.E. Arndt | Tool for spinning angular flanges on metal tubes | pipe and tube expanders |
| 2,483,982 | Oct. 04, 1949 | J.N. Paquin | Flaring Tool With Multiple Tube Holder and Toolholder Guiding Means | pipe and tube expanders |
