| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Canada | 3 | |
| #3 | Germany | 2 | |
| #4 | Belgium | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Electrical machinery and energy | |
| #4 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Unspecified technologies | |
| #3 | Installation of electric cables | |
| #4 | Spraying devices | |
| #5 | Cleaning | |
| #6 | Unspecified technologies | |
| #7 | Preparation of materials |
| # | Name | Total Patents |
|---|---|---|
| #1 | Cotman Val Jr | 2 |
| #2 | Cotman Jr Val | 2 |
| #3 | Couch R | 2 |
| #4 | Martin Joseph L | 1 |
| #5 | Leroy Wyatt David | 1 |
| #6 | Zeile George D Jr | 1 |
| #7 | Omar Couch Robert | 1 |
| #8 | Croft John C | 1 |
| #9 | Wheeler Charles J | 1 |
| #10 | Wyatt David L | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4074363A | Apparatus for generating plastic foam | |
| US4025091A | Conduit system | |
| US3854756A | Conduit system | |
| US3747961A | Conduit system | |
| US3187361A | Work preparation device | |
| US3213889A | Pipe support | |
| US3259402A | Expansible end seal | |
| US3168114A | Insulated pipe anchor | |
| US3113595A | Pipe support | |
| CA679434A | Pipe support | |
| CA679459A | Pipe support |