| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | Canada | 2 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | Australia | 1 | |
| #5 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Civil engineering | |
| #3 | Measurement | |
| #4 | Chemical engineering | |
| #5 | Machines | |
| #6 | Control |
| # | Technology | |
|---|---|---|
| #1 | Domestic washing | |
| #2 | Measuring length, angles and areas | |
| #3 | Construction of roads | |
| #4 | Street cleaning | |
| #5 | Cleaning | |
| #6 | Spraying devices | |
| #7 | Radio navigation | |
| #8 | Systems controlling non-electric variables |
| # | Name | Total Patents |
|---|---|---|
| #1 | Jacobs Stephen | 7 |
| #2 | Rench Quentin H | 5 |
| #3 | Pleshek Mark | 3 |
| #4 | Meyer Herbert W | 1 |
| #5 | Fiegel Paul S | 1 |
| #6 | Rench Quenten H | 1 |
| #7 | Jacobs Steven | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5652593A | Method and apparatus for guiding a machine | |
| US5263223A | Apparatus for cleaning interior surfaces | |
| US5186392A | Liquid-applying device for cleaning wall and ceiling surfaces | |
| AU5931090A | Apparatus for determining an area coverage rate | |
| WO9200500A1 | Apparatus for determining an area coverage rate | |
| US5038484A | Apparatus for determining an area coverage rate | |
| US4782550A | Automatic surface-treating apparatus |