| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | WIPO (World Intellectual Property Organization) | 5 | |
| #3 | Brazil | 3 | |
| #4 | Canada | 3 | |
| #5 | EPO (European Patent Office) | 3 | |
| #6 | Italy | 3 | |
| #7 | Republic of Korea | 3 | |
| #8 | South Africa | 3 | |
| #9 | Australia | 2 | |
| #10 | India | 2 | |
| #11 | Mexico | 2 | |
| #12 | Finland | 1 | |
| #13 | USSR (Union of Socialist Soviet Republics) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Transport | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Containers for goods storage | |
| #2 | Railway bodies | |
| #3 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Loevinger Richard P | 33 |
| #2 | Richard P Loevinger | 2 |
| #3 | Richard Paul Loevinger | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5058511A | Heated tank car with discharge valve and pressure equalizer | |
| AU4969790A | Heated tank car with discharge valve and pressure equalizer | |
| US5020447A | Tank car discharge valve heating unit | |
| US4624189A | Heated outlet valve for railway tank car | |
| US4530288A | Heated railway tank car | |
| BR8307406A | Heated railway tank wagon | |
| CA1197413A | Heated railroad tank car | |
| US4480370A | Heated railroad tank car |