| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Machines | |
| #3 | Control | |
| #4 | Measurement | |
| #5 | Chemical engineering | |
| #6 | Mechanical elements | |
| #7 | Consumer goods | |
| #8 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Capacitors and switching devices | |
| #3 | Ticket-issuing devices | |
| #4 | Measuring force, work and fluid pressure | |
| #5 | Separation | |
| #6 | Nails | |
| #7 | Brushes | |
| #8 | Animal care |
| # | Name | Total Patents |
|---|---|---|
| #1 | Jacobson Peter G | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US2166662A | Antibacklash device | |
| US2041186A | Electrostatic condenser | |
| US1563709A | Electrostatic condenser | |
| US1576828A | Die mechanism | |
| US1591317A | Electric condenser | |
| US1463321A | Indicating device | |
| US1536860A | Condenser | |
| US1156601A | Handle structure. | |
| US1073081A | Strainer. | |
| US1118652A | Coin-counter. | |
| US1118651A | Coin-counter. |