| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Transport | |
| #3 | Textiles and paper | |
| #4 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Electric incandescent lamps | |
| #2 | Special electric heating or lighting | |
| #3 | Vehicle signalling and lighting | |
| #4 | Typewriters | |
| #5 | Electric switches | |
| #6 | Wing fittings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Phelps William J | 11 |
| #2 | Phelps J Wiley | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1830241A | Apparatus for operating doors | |
| US921625A | Double-circuit flasher. | |
| CA90626A | Fuse | |
| US859515A | Electric lighting. | |
| US819793A | Electric incandescent lamp. | |
| US856292A | Safety-fuse. | |
| US814162A | Electric incandescent lamp. | |
| US860325A | Lamp-holder. | |
| US635447A | Electric incandescent lamp. | |
| US635058A | Electric incandescent lamp. | |
| US690120A | Type-writing machine. |