| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | United Kingdom | 4 | |
| #3 | France | 3 | |
| #4 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Measurement | |
| #3 | Machines | |
| #4 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Shafts | |
| #2 | Lubricating | |
| #3 | Pistons and sealings | |
| #4 | Testing of structures | |
| #5 | Unspecified technologies | |
| #6 | Analysing materials | |
| #7 | Unspecified technologies | |
| #8 | Railway equipment |
| # | Name | Total Patents |
|---|---|---|
| #1 | Theodore Rogatchoff | 8 |
| #2 | Rogatchoff Theodore | 3 |
| #3 | Miller Frank J | 2 |
| #4 | Harrigan George M | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2644406A | Traction motor dolly | |
| US2185315A | Means for detecting cracks in crankpins and the like | |
| US1873483A | Crosshead adjuster | |
| US1873482A | Adjustable crosshead | |
| US1416418A | Crosshead adjuster | |
| US1440747A | Lubricating system for crossheads | |
| US1433478A | Piston | |
| GB170341A | Improvements in cross-heads for engines | |
| GB169416A | Improvements in lubricating systems for cross-heads | |
| GB154845A | Improvements in self-lubricating pistons | |
| GB149476A | Improvements in or relating to adjustable cross-heads | |
| US1330748A | Self-lubricating piston |