| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 9 | |
| #2 | United States | 8 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Basic materials chemistry | |
| #3 | Thermal processes | |
| #4 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Portable lighting devices | |
| #2 | Lighting device details | |
| #3 | Non-portable lighting devices | |
| #4 | Acetylene production | |
| #5 | Burners | |
| #6 | Guiding railway traffic |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hamm William S | 8 |
| #2 | Mosher John A | 1 |
| #3 | Kerber Louis Henry William | 1 |
| #4 | Miller Charles M | 1 |
| #5 | Kerber Louis H W | 1 |
| #6 | Hamm Wlilliam S | 1 |
| #7 | Hamm W S | 1 |
| #8 | Mosher John Arthur | 1 |
| #9 | Stauder Lawrence F | 1 |
| #10 | Larson Carl H | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US805951A | Wick-raising attachment for lanterns. | |
| US829331A | Lantern. | |
| US886973A | Lantern. | |
| US742637A | Lamp-burner. | |
| CA89940A | Acetylene gas generator | |
| CA87013A | Electric lamp support | |
| US756117A | Electric-lamp support for convertible signal-lanterns. | |
| US742636A | Convertible signal-lamp. | |
| US735500A | Signal-lantern. | |
| US701598A | Acetylene-gas generator. | |
| CA228391A | Lantern | |
| CA247101A | Electric lantern | |
| CA852312A | Magnetically operated relay switch | |
| CA246544A | Reflector | |
| CA228390A | Lantern | |
| CA795683A | Latch assembly | |
| CA243470A | Focusing device |