| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | Australia | 2 | |
| #3 | Canada | 2 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Computer technology | |
| #3 | Machines | |
| #4 | Electrical machinery and energy | |
| #5 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Measuring force, work and fluid pressure | |
| #2 | Electric digital data processing | |
| #3 | Special measuring | |
| #4 | Unspecified technologies | |
| #5 | Electric switches | |
| #6 | Manipulators |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hilton John | 6 |
| #2 | Roundtree Stephan | 6 |
| #3 | Avery Hal | 6 |
| #4 | Hilton John A | 5 |
| Publication | Filing date | Title |
|---|---|---|
| US5798748A | Force and torque converter with improved digital optical sensing circuitry | |
| US5706027A | Force and torque converter for use in a computer input device | |
| US5452615A | Force and torque converter | |
| US5591924A | Force and torque converter |