| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 24 | |
| #2 | Canada | 6 | |
| #3 | United Kingdom | 2 | |
| #4 | Australia | 1 | |
| #5 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Railway equipment | |
| #2 | Machines for making railways |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hamilton Perry H | 8 |
| #2 | Bates Sidney E | 6 |
| #3 | Emmons Overmier | 5 |
| #4 | Warr Harold G | 4 |
| #5 | Bates Harry B | 4 |
| #6 | Overmier Emmons | 2 |
| #7 | Preston Frederick A | 2 |
| #8 | Martin Edgar E | 1 |
| #9 | Sidney Eaton Bates And Emmons Overmyer Bothof Illinois U Sa | 1 |
| #10 | Humphries Albert G | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2262852A | Track lubricator | |
| US1979307A | Rail and wheel flange lubricator | |
| US1977082A | Guard rail lubricator | |
| US1952051A | Rail lubricating device | |
| US2018402A | Track lubricator | |
| AU2476230B | Improvements relating to apparatus for oiling car wheel flanges | |
| US1946123A | Rail lubricator | |
| US1880672A | Wheel flange oiler | |
| GB348898A | Improvements relating to apparatus for oiling car wheel flanges | |
| US1868647A | Operating mechanism for rail oilers | |
| US2061731A | Wheel flange oiler | |
| US1810764A | Wheel flange oiler | |
| US1839427A | Wheel flange oiler | |
| US1883148A | Wheel flange oiler | |
| US1839190A | Lubricating device | |
| US1839219A | Wheel flange oiler | |
| US2027414A | Rail and flange lubricator | |
| US1839218A | Wheel flange oiler | |
| US1680290A | Wheel-flange oiler | |
| US1691933A | Ballast-removing machine |