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All Patents of Type: water heaters | |||||
Number | Date | Patentee | Title | Type | |
CA-32,673 | Nov. 02, 1889 | E. Gurney, C. Levey, C.W. Peniston | Joint | water heaters | |
1,765,490 | Jun. 24, 1930 | J.T. Janette | Circulating apparatus | water heaters | |
1,932,574 | Oct. 31, 1933 | M.D. Church | Method and Apparatus for Controlling the Heating of a Fluid | water heaters | |
1,955,549 | Apr. 17, 1934 | J.T. Janette | Combined pump and valve | water heaters |