| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 149 | |
| #2 | Canada | 1 | |
| #3 | Germany | 1 | |
| #4 | France | 1 | |
| #5 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Thermal processes | |
| #4 | Basic materials chemistry | |
| #5 | Control | |
| #6 | Materials and metallurgy | |
| #7 | Civil engineering | |
| #8 | Measurement |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lytle Arthur R | 13 |
| #2 | Young Lloyd W | 13 |
| #3 | Jacobsson Wilgot J | 11 |
| #4 | Miller Wilber B | 10 |
| #5 | Kehl Robert J | 7 |
| #6 | De Motte Maurice P | 7 |
| #7 | Oldham Samuel R | 7 |
| #8 | Braden Robert D | 6 |
| #9 | Jones Homer W | 6 |
| #10 | Winans Milton E | 5 |
| Publication | Filing date | Title |
|---|---|---|
| US2283347A | Portable tool carriage | |
| US2283932A | Blowpipe and rod-feeding mechanism therefor | |
| US2271613A | Plate-riding attachment | |
| US2284574A | Apparatus for cutting or deseaming metal | |
| US2283346A | Blowpipe machine | |
| US2283345A | Blowpipe machine | |
| US2265287A | Welding and cutting apparatus | |
| US2249017A | Coated welding rod | |
| US2259955A | Method of and apparatus for severing metal stock | |
| US2267104A | Blowpipe | |
| US2264697A | Blowpipe | |
| US2258023A | Flowmeter | |
| US2249361A | Welding tip | |
| US2241618A | Blowpipe tip | |
| US2268995A | Soldering iron | |
| US2260342A | Multiflame welding tip | |
| US2186117A | Filler material for welding | |
| US2263611A | Pressure regulator | |
| US2235433A | Blowpipe | |
| US2260322A | Deseaming and desurfacing apparatus and process |