| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Machines | |
| #3 | Measurement | |
| #4 | Electrical machinery and energy | |
| #5 | Machine tools | |
| #6 | Consumer goods |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sohm Alfred L | 13 |
| Publication | Filing date | Title |
|---|---|---|
| US2473180A | Smoking pipe cleaner | |
| US2321162A | Ball finishing device | |
| US1616878A | Locking device for radiator caps | |
| US1582354A | Radiator-locking cap | |
| US1600370A | Radiator signal device | |
| US1576864A | Radiator attachment | |
| US1541074A | Indicator | |
| US1541073A | Indicator | |
| US1531579A | Indicator | |
| US1548561A | Indicator | |
| US1394647A | Time-indicating system | |
| US1418487A | Keyless clock | |
| US944003A | Electric signal system. |