| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | Germany | 7 | |
| #3 | France | 6 | |
| #4 | Australia | 5 | |
| #5 | Canada | 3 | |
| #6 | United Kingdom | 3 | |
| #7 | EPO (European Patent Office) | 1 | |
| #8 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machine tools | |
| #3 | Chemical engineering | |
| #4 | Machines | |
| #5 | Medical technology | |
| #6 | Mechanical elements | |
| #7 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Sewers | |
| #2 | Tools for connecting or disengaging | |
| #3 | Domestic plumbing installations | |
| #4 | Cleaning | |
| #5 | Unspecified technologies | |
| #6 | Syringes | |
| #7 | Sanitary equipment | |
| #8 | Venting or aerating devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Irwin Lawrence Fitzpatrick | 11 |
| #2 | Irwin Lawrence F | 10 |
| #3 | Irwin Frank | 5 |
| #4 | Irwin Lawrence | 4 |
| #5 | Millray Robert | 3 |
| #6 | Ehrler Fritz O | 2 |
| #7 | Milray Robert | 1 |
| #8 | Irwin Lawrence Ftzpatrick | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5497516A | Drain sealing apparatus | |
| US5414888A | Grip handle chuck | |
| US5004119A | Drain sealing apparatus | |
| US4870992A | Backflow prevention device | |
| WO8804187A1 | Resuscitation device | |
| US4335632A | Internal pipe wrench | |
| DE2521373A1 | Pipe screwing and unscrewing clamp - has clamp screw with conical face forcing balls outwards against inner pipe | |
| US3950934A | Plumbers snake | |
| US3958293A | Pipe cleaning machine | |
| US3902384A | Internal pipe wrench |