| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 4 | |
| #2 | WIPO (World Intellectual Property Organization) | 2 | |
| #3 | Canada | 1 | |
| #4 | China | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | United Kingdom | 1 | |
| #7 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic communication technologies | |
| #2 | Electrical machinery and energy | |
| #3 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Pulse technique | |
| #2 | AC and DC conversion devices | |
| #3 | Hand carried bags |
| # | Name | Total Patents |
|---|---|---|
| #1 | Marks Walter | 10 |
| #2 | Jessup Gilbert | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE102011100760A1 | Control device and method for driving a semiconductor switch | |
| DE4413546A1 | DC control circuit | |
| DE4013997A1 | DC control circuit | |
| DE3730503A1 | DC control circuit | |
| GB190904640A | Improvements in or relating to Hat-boxes. | |
| CA10423A | Fertilizer distributor |