| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 15 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Machines | |
| #3 | Transport | |
| #4 | Mechanical elements | |
| #5 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Ships | |
| #3 | Pipes | |
| #4 | Sawing | |
| #5 | Spark gaps and corona devices | |
| #6 | Installation of electric cables | |
| #7 | Vehicle suspension arrangements | |
| #8 | Electrically-conductive connections | |
| #9 | Electric discharge tubes | |
| #10 | Electric switches |
| # | Name | Total Patents |
|---|---|---|
| #1 | Erickson Frederic Wm | 15 |
| #2 | Lord Frederic W | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US1293063A | Marine structure. | |
| US1261109A | Concrete structure. | |
| US1280199A | Mandrel for pipe-cutters. | |
| US1252559A | Marine buoy. | |
| US1238994A | Pipe-coupling. | |
| US1216426A | Pipe-cutter. | |
| US1151771A | Spring suspension for vehicles. | |
| US1044509A | Sparking plug. | |
| US1030293A | Outlet-bushing. | |
| US1015484A | Electric-conductor distribution. | |
| US997282A | Interior-conduit distribution. | |
| US933027A | Abnormal potential-discharging and arc-disrupting device. | |
| US932541A | Abnormal potential-discharging and arc-disrupting device. | |
| US848888A | Outlet-box. | |
| US854205A | Circuit-closing device. |