| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 | |
| #2 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Electrical machinery and energy | |
| #3 | Machines | |
| #4 | Engines, pumps and turbines | |
| #5 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Percussive tools | |
| #2 | Grinding or polishing devices | |
| #3 | Turning | |
| #4 | Dynamo-electric machines | |
| #5 | Tools for connecting or disengaging | |
| #6 | Unspecified technologies | |
| #7 | Rotary pistons | |
| #8 | Unspecified technologies | |
| #9 | Clutches and brakes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ripsch Charles W | 7 |
| #2 | Price William W | 4 |
| #3 | Smith Jr William A | 2 |
| #4 | Wuebben Bernard H | 2 |
| #5 | Mccombs Melvorne J | 1 |
| #6 | Ripseh Charles W | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2268412A | Rotary impact tool | |
| US2177158A | Pneumatic tool | |
| US2126673A | Portable power operated tool | |
| US2066741A | Power operated portable tool | |
| US2066740A | Electric motor | |
| US2043502A | Power operated portable tool | |
| US2066739A | Electric motor | |
| US2100552A | Clutch mechanism for power operated portable tools | |
| US2016725A | Abrasive machine | |
| US1877197A | Throttle | |
| US1860872A | Pneumatic tool | |
| US1931167A | Pneumatic tool |