| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 11 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Electrical machinery and energy | |
| #3 | Mechanical elements | |
| #4 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Cranes | |
| #2 | Installation of electric cables | |
| #3 | Elevators and escalators | |
| #4 | Handling thin material | |
| #5 | Winches | |
| #6 | Distribution of electric power | |
| #7 | Electric switches | |
| #8 | Gearing | |
| #9 | Cables and insulators | |
| #10 | Power supply for electric vehicles |
| # | Name | Total Patents |
|---|---|---|
| #1 | Pfoertner Theodor | 3 |
| #2 | Knecht Hans | 3 |
| #3 | Lorenz Kurt | 2 |
| #4 | Mauch Otto | 1 |
| #5 | Schmidt Heinrich | 1 |
| #6 | Ihrig Brunno | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2302570A1 | HYDRAULIC DRIVE UNIT FOR CABLE REELS | |
| DE2237654A1 | CABLE SLEEVE FOR A SLIDING CONTACTLESS POWER SUPPLY AND / OR FOR THE SUPPLY OF GASEOUS AND / OR LIQUID MEDIA TO CRANE BRIDGES OR SIMILAR MOVING CATS | |
| DE2237655A1 | DRIVE DEVICE FOR LINE REELS | |
| DE528724C | Method of cementless fastening of the bolt in porcelain insulators |