| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Canada | 2 | |
| #3 | China | 2 | |
| #4 | WIPO (World Intellectual Property Organization) | 2 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Machines | |
| #3 | Medical technology | |
| #4 | Mechanical elements | |
| #5 | Consumer goods | |
| #6 | Electrical machinery and energy | |
| #7 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Office furniture | |
| #3 | Physical therapy devices | |
| #4 | Nails | |
| #5 | Walking sticks | |
| #6 | Chairs and beds | |
| #7 | Installation of electric cables | |
| #8 | Tools for connecting or disengaging |
| # | Name | Total Patents |
|---|---|---|
| #1 | Carpinella Ralph | 8 |
| #2 | Carpinella Henry J | 4 |
| #3 | Carpinella R | 2 |
| #4 | Becher Karl | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CN1223553A | Medical walker foot with collapsible tip | |
| WO9808410A1 | Medical walker foot with collapsible tip | |
| US5991974A | Swiveling furniture glide | |
| US5711335A | Medical walker foot with collapsible tip | |
| US5765960A | Expansion connector for tubular member | |
| US5686700A | Adjustable cable management grommet | |
| US5042764A | Self-leveling furniture glide | |
| US4876782A | Apparatus for attaching a glide to a chair leg |