| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machine tools | |
| #3 | Packaging and shipping | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Machines for making railways | |
| #2 | Making forged metal products | |
| #3 | Unspecified technologies | |
| #4 | Construction of roads | |
| #5 | Punching metal | |
| #6 | Transport or storage devices | |
| #7 | Rolling metal | |
| #8 | Forging |
| # | Name | Total Patents |
|---|---|---|
| #1 | Diehl Herman H | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US2077097A | Riveting machine | |
| US2036745A | Bending machine | |
| US1911146A | Road form | |
| US1958162A | Track construction | |
| US1729157A | Railway-track construction | |
| US1549351A | Method of manufacturing frog points | |
| US1546827A | Swaging machine | |
| US1503886A | Railway-track construction | |
| US1523003A | Railway frog and method of manufacturing same | |
| US1464975A | Track ccnstruction | |
| US1488909A | Rolling mill |