| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 51 | |
| #2 | Canada | 14 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Control | |
| #3 | Machines | |
| #4 | Measurement | |
| #5 | Machine tools | |
| #6 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Electric switches | |
| #2 | Unspecified technologies | |
| #3 | Special electric heating or lighting | |
| #4 | Dynamo-electric machines | |
| #5 | Coin-freed | |
| #6 | Lighting device details | |
| #7 | Ticket-issuing devices | |
| #8 | Punching metal | |
| #9 | Shafts | |
| #10 | Measuring electric variables |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wood James J | 65 |
| Publication | Filing date | Title |
|---|---|---|
| US919511A | Dynamo-electric machine. | |
| US919510A | Edgewise-winding machine. | |
| US849448A | Coin-operated mechanism. | |
| US861343A | Incandescent-lamp socket. | |
| US878923A | Single-phase motor. | |
| US958788A | Magnetic switch. | |
| US925548A | Coin-operated mechanism. | |
| US849447A | Coin-operated mechanism. | |
| US875030A | Switch for electric meters. | |
| US844436A | Metering and controlling system for electric circuits. | |
| US849306A | Coin-operated mechanism. | |
| US822091A | Prepayment electric meter. | |
| US826814A | Prepayment-meter. | |
| US875029A | Electric switch. | |
| US806722A | Prepayment-meter. | |
| US801497A | Electric-meter bearing. | |
| US780770A | Electric meter. | |
| US801496A | Bending-machine. | |
| US780769A | Electric meter. | |
| US757079A | Electric-arc lamp. |