| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | Canada | 2 | |
| #3 | Australia | 1 | |
| #4 | United Kingdom | 1 | |
| #5 | Greece | 1 | |
| #6 | Hong Kong | 1 | |
| #7 | Japan | 1 | |
| #8 | Taiwan | 1 | |
| #9 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Unspecified technologies | |
| #3 | Domestic plumbing installations |
| # | Name | Total Patents |
|---|---|---|
| #1 | Jackson Olin I | 7 |
| #2 | Hunter Thomas D | 6 |
| #3 | Pannell Minor W | 6 |
| #4 | Lasater John A | 1 |
| #5 | Orin Ai Jiyakuson | 1 |
| #6 | Bridges Willard P | 1 |
| #7 | Pannel Minor W | 1 |
| #8 | Meadows Alton L | 1 |
| #9 | Hunter Thomas Duane | 1 |
| #10 | Warner John A | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5398980A | Mechanical pipe joint | |
| CA2054265A1 | Gate valve with two gate members | |
| US4848808A | Mechanical pipe joint | |
| US3894302A | Self-venting fitting | |
| US3571896A | Pipe joint make-or-break tool | |
| US3573871A | Gasket for bell-type pipe joint |