| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 | |
| #2 | Japan | 4 | |
| #3 | Canada | 2 | |
| #4 | Australia | 1 | |
| #5 | Brazil | 1 | |
| #6 | Germany | 1 | |
| #7 | France | 1 | |
| #8 | United Kingdom | 1 | |
| #9 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Engines, pumps and turbines | |
| #4 | Environmental technology | |
| #5 | Transport | |
| #6 | Control | |
| #7 | Materials and metallurgy |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hughes David E | 6 |
| #2 | Borland Robin N | 5 |
| #3 | Yocum William C | 5 |
| #4 | Piscatelli John | 3 |
| #5 | Kalaskie William S | 3 |
| #6 | Wellener Paul L Iii | 3 |
| #7 | Houston James L | 3 |
| #8 | Rafalowski Paul | 3 |
| #9 | Stiffy Timothy R | 3 |
| #10 | Borland Robin Neil | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US5820102A | Pressurized fluid storge and transfer system including a sonic nozzle | |
| US5474104A | Refueling check valve for compressed natural gas powered vehicles | |
| US4378817A | Slide valve assembly | |
| AU7323681A | Valve | |
| US4211386A | Slow opening cylinder valve | |
| US4015865A | Safety yoke for high pressure gases | |
| US3759294A | Pressure regulator | |
| US3554227A | Fail-safe shipping container for compressed fluids | |
| US3587654A | Quick-removable seal caps for fittings and the like | |
| US3552421A | Single trip valve apparatus | |
| US1614908A | Tubing release valve |