| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 90 | |
| #2 | Canada | 10 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Mechanical elements | |
| #3 | Machines | |
| #4 | Control | |
| #5 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Railway bodies | |
| #2 | Unspecified technologies | |
| #3 | Pipes | |
| #4 | Systems controlling non-electric variables | |
| #5 | Venting or aerating devices | |
| #6 | Steam traps | |
| #7 | Couplings | |
| #8 | Unspecified technologies | |
| #9 | Pistons and sealings | |
| #10 | Domestic heating systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gold Egbert H | 100 |
| #2 | Coggin Frank F | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1643300A | Train-pipe end valve | |
| US1617589A | Flexible pipe connection | |
| US1639338A | Car-heating system | |
| US1612973A | Flexible pipe connection | |
| US1602224A | Car-heating system | |
| US1626234A | Car-heating system | |
| US1601960A | Hose coupling | |
| US1536785A | Coupler | |
| US1505255A | Hose clamp | |
| US1350074A | Gasket for train-pipe couplings | |
| US1384751A | Steam-heating apparatus for railway-cars | |
| US1409373A | Hose-coupling gasket | |
| US1404360A | Heating system for sleeping cars | |
| US1282068A | Hose-coupling. | |
| CA177948A | Heating system | |
| US1202993A | Hose-coupling. | |
| CA169213A | Car heating system | |
| US1162767A | Car-heating system. | |
| US1159927A | Locking device for hose-couplings. | |
| US1242898A | Heating system for refrigerator-cars and the like. |