| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 | |
| #2 | Canada | 6 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Machine tools | |
| #4 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Unspecified technologies | |
| #3 | Venting or aerating devices | |
| #4 | Earth drilling | |
| #5 | Accessories for machine tools | |
| #6 | Unspecified technologies | |
| #7 | Grinding or polishing devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Reneau Bobby J | 17 |
| #2 | Manchester Luther L | 3 |
| #3 | Manchester Luther L Jr | 1 |
| #4 | Manchester Jr Luther L | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4728125A | Grip and seal mechanically locking flowline connector | |
| US4541204A | Apparatus for manufacturing substantially spherical objects to a high degree of roundness | |
| CA1172668A | Apparatus for connecting together flowline end portions and method for using same | |
| US4330143A | Apparatus for connecting together flowline end portions | |
| US4256283A | Pivotal ball check valve | |
| US4223925A | Hot tap machine | |
| US4180285A | Articulated ball connector for use with pipeline | |
| US4068492A | Underwater pipeline coupling apparatus | |
| US4050720A | Hot tap for pipeline | |
| CA1051482A | Coupling apparatus | |
| US4049297A | Pipe coupling apparatus | |
| US4012060A | Ball flex union | |
| US4109940A | Coupling apparatus |