| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 | |
| #2 | Canada | 3 | |
| #3 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Machines | |
| #3 | Civil engineering | |
| #4 | Electrical machinery and energy | |
| #5 | Control |
| # | Technology | |
|---|---|---|
| #1 | Burners | |
| #2 | Details of furnaces | |
| #3 | Steam generation | |
| #4 | Electric switches | |
| #5 | Systems controlling non-electric variables | |
| #6 | Hinges for doors or windows | |
| #7 | Furnaces | |
| #8 | Indexing scheme relating to hinges | |
| #9 | Milling | |
| #10 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Butz Charles H | 4 |
| #2 | Lindsay George W | 2 |
| #3 | Robert Lewis | 2 |
| #4 | Frank Gawan | 2 |
| #5 | Lewis Robert | 2 |
| #6 | Case Willis W Sr | 1 |
| #7 | John Ives | 1 |
| #8 | Saiki Hiroshi | 1 |
| #9 | Simmons Robert E | 1 |
| #10 | Ives John | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1269729A | Improvements in or relating to kilns | |
| US2588423A | Oil burner with co-ordinated air and oil valves | |
| US2499440A | Sheath for explosives | |
| US2209696A | Pulverizer | |
| US2181422A | Means of controlling fluid supply | |
| US2049707A | Combustion control mechanism | |
| US2042609A | Control device | |
| US1971208A | Gas burner | |
| US1907734A | Gas burner | |
| US1841169A | Burner | |
| US1772797A | Fireproof arch | |
| US1378248A | Combination-burner | |
| US1346903A | Crane-hinge for muffle-furnace doors | |
| US971489A | Hydrocarbon-burner. | |
| CA373041A | Combustion control | |
| CA410987A | Pulverizer | |
| CA362114A | Combustion control mechanism |