| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Canada | 2 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Making forged metal products | |
| #3 | Rolling metal | |
| #4 | Producing goods from plastic | |
| #5 | Forging | |
| #6 | Making metal sheets |
| # | Name | Total Patents |
|---|---|---|
| #1 | Witter Claude A | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US2336583A | Making of shell bodies | |
| US2349570A | Apparatus for making shell bodies | |
| US2298077A | Press | |
| US2251094A | Shell body and method of making the same | |
| US1697703A | Vulcanizing mold | |
| US1606282A | Process of making pipe flanges | |
| US1408330A | Process of manufacturing metallic shapes | |
| US1348677A | Process of manufacturing metallic shapes | |
| US1112959A | Rolls for rolling steel wheels and wheel-centers. | |
| CA438577A | Shell forging | |
| CA424455A | Shell body manufacture |