| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Machines | |
| #3 | Packaging and shipping | |
| #4 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Testing of structures | |
| #2 | Unspecified technologies | |
| #3 | Measuring distances | |
| #4 | Making gears or toothed racks | |
| #5 | Lifting and pushing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lannen Joseph P | 10 |
| #2 | Louis Petersen | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US3570278A | Universal balancing machine with electromagnetic hold | |
| US3455170A | Universal balance testing machine with automatic hold | |
| US2367787A | Balance testing machine | |
| US2338057A | Static balancing machine | |
| US2349288A | Balance testing machine | |
| US2250771A | Universal level | |
| US2301958A | Work balancing machine | |
| US2240337A | Universal level | |
| US2199667A | Work carrier for balancing machines | |
| US2188364A | Load lifter and balancer | |
| US1729947A | Wheel-balancing apparatus | |
| US1505420A | Machine for removing burs from gears |