| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Canada | 3 | |
| #3 | United Kingdom | 2 | |
| #4 | Germany | 1 | |
| #5 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Domestic washing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Fukuba Hiroshi | 8 |
| #2 | Hiroshi Fukuba | 3 |
| Publication | Filing date | Title |
|---|---|---|
| CA932911A | Carpet sweeper | |
| US3638266A | Elastic wheel construction for carpet sweeper | |
| CA933710A | Automatic suction cleaner | |
| CA932110A | Carpet sweeper | |
| US3671991A | Carpet sweeper | |
| US3628211A | Carpet sweeper | |
| US3268936A | Manual floor cleaner with pivotally mounted resilient driving wheels | |
| GB1074797A | Improvements in or relating to a floor cleaner | |
| DE1203927B | Cleaning device | |
| GB892461A | Machines for cleaning floors and other surfaces | |
| US3066339A | Dust-cleaner | |
| US2994098A | Vacuum cleaner with flexible rotary-pistons |