| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 15 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Engines, pumps and turbines | |
| #3 | Machines | |
| #4 | Thermal processes | |
| #5 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Locomotives | |
| #2 | Machines | |
| #3 | Vehicle brake control systems | |
| #4 | Cyclically operating valves | |
| #5 | Casings for combustion chambers | |
| #6 | Unspecified technologies | |
| #7 | Sound-producing devices | |
| #8 | Vehicle wheels |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hanlon John H | 15 |
| #2 | Hanlon William J | 1 |
| #3 | Hanlon John W | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2348809A | Drifting valve | |
| US1566324A | Valve mechanism for air-brake systems | |
| US1658083A | Drifting valve for locomotives | |
| US1426061A | Air-brake system | |
| US1378786A | Drifting-valve | |
| US1423797A | Drifting valve | |
| US1117041A | Alarm device for track-sanders. | |
| US1070251A | Smoke-consumer. | |
| US1065044A | Track-sander. | |
| US986168A | Locomotive track-sander. | |
| US958393A | Engineer's valve for pneumatic sanders. | |
| US952111A | Track-sander. | |
| US892151A | Sander. | |
| US906224A | Track-sander. | |
| US841144A | Track-sanding device. |