| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Canada | 2 | |
| #3 | Germany | 2 | |
| #4 | Australia | 1 | |
| #5 | France | 1 | |
| #6 | United Kingdom | 1 | |
| #7 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Civil engineering | |
| #3 | Machines | |
| #4 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Shafts | |
| #2 | Unspecified technologies | |
| #3 | Forging | |
| #4 | Thread cutting | |
| #5 | Kitchen equipment | |
| #6 | Presses | |
| #7 | Accessories for machine tools | |
| #8 | Earth drilling | |
| #9 | Turning | |
| #10 | Punching metal |
| # | Name | Total Patents |
|---|---|---|
| #1 | Richards Charles W | 4 |
| #2 | Zwilling George F | 2 |
| #3 | Damron Earl M | 1 |
| #4 | Lipps J I | 1 |
| #5 | Durchschlag Charles W | 1 |
| #6 | Lipps J | 1 |
| #7 | Russell George W | 1 |
| #8 | Russell George Winfield | 1 |
| #9 | Damron E M | 1 |
| #10 | Mcmillan Roscoe T | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ZA7903069B | Underground mining machine | |
| US3005442A | Drill head assembly | |
| US2011106A | Forging machine | |
| US1510962A | Cutter head | |
| US1043462A | Nut-tapping machine. | |
| US770144A | Nut-holder. | |
| US768503A | Nut-tapping machine. | |
| US766064A | Rivet-making machine. | |
| US733998A | Bolt-heading machine. | |
| US656782A | Heading-machine. | |
| CA245401A | Cutter head |