| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 16 | |
| #2 | Canada | 4 |
| # | Industry | |
|---|---|---|
| #1 | Control | |
| #2 | Electrical machinery and energy | |
| #3 | Machines | |
| #4 | Civil engineering | |
| #5 | Basic communication technologies | |
| #6 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Alarm systems | |
| #2 | Unspecified technologies | |
| #3 | Electric switches | |
| #4 | Pulse technique | |
| #5 | Locks | |
| #6 | Bolts for doors or windows | |
| #7 | Emergency protective circuit arrangements | |
| #8 | Vehicle brake control systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hess Simon B | 20 |
| Publication | Filing date | Title |
|---|---|---|
| US1695686A | Door securer | |
| US1699663A | Burglar-alarm trap | |
| US1812293A | Protective grating | |
| US1365693A | Thermostatic burglar-alarm system | |
| US1429243A | Electric signaling system | |
| US1351514A | Fire-alarm system | |
| US1221322A | Electric lock. | |
| US1351422A | Electric signaling system | |
| US1279344A | Burglar-alarm system. | |
| US1298710A | Burglar-alarm system. | |
| US1223789A | Burglar-alarm system. | |
| US1188654A | Electrical apparatus. | |
| US1188653A | Electrical alarm system. | |
| US1188652A | Electrical relay. | |
| US901171A | Electric burglar-alarm. | |
| US1298711A | Electric distribution system. | |
| CA272943A | Door securing mechanism | |
| CA252715A | Electric circuit conductor | |
| CA252513A | Burglar alarm system | |
| CA256276A | Protective grating |