All Patents of Type: heating apparatus |
Patents 1 -
15
of 41
|
Number | Date | Patentee | Title | Type |
756X | Apr. 24, 1807 | A. Pollock | Heating Rooms | heating apparatus |
CA-216 | Jan. 05, 1870 | E. Gurney, C. Gurney | Improvements in heating stoves | heating apparatus |
CA-852 | Mar. 10, 1871 | E. Gurney, C. Gurney | Improvements in heating stoves | heating apparatus |
1,435,570 | Nov. 14, 1922 | E.L. Worbois | Storage Heater | heating apparatus |
2,016,369 | Oct. 08, 1935 | P.R. Hoopes | Machine for Electrically Heating Metal Articles | heating apparatus |
2,027,416 | Jan. 14, 1936 | J.r. Blakeslee | Electric Heating Apparatus | heating apparatus |
2,052,761 | Sep. 01, 1936 | F.W. Gaines | Electrical Blank Heating Machine | heating apparatus |
2,144,108 | Jan. 17, 1939 | A.K. Foulds | Heating Apparatus | heating apparatus |
2,146,696 | Feb. 07, 1939 | L.W. Eggleston | Valve | heating apparatus |
2,155,339 | Apr. 18, 1939 | F.A. Stoll | Burner | heating apparatus |
2,155,890 | Apr. 25, 1939 | R.L. Campbell | Heating System | heating apparatus |
2,167,433 | Jul. 25, 1939 | G.B. Duffield | Air Vent Valve | valves |
2,176,852 | Oct. 17, 1939 | R.L. Campbell | Heating Method and Apparatus | heating apparatus |
2,183,488 | Dec. 12, 1939 | G.B. Duffield | Closure | heating apparatus |
2,185,978 | Jan. 02, 1940 | E.J. Dillman | Heating Apparatus | heating apparatus |