| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 90 | |
| #2 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Transport | |
| #3 | Civil engineering | |
| #4 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Railway shifting | |
| #2 | Elevators and escalators | |
| #3 | Transport or storage devices | |
| #4 | Percussive tools | |
| #5 | Earth drilling | |
| #6 | Mining | |
| #7 | Shafts | |
| #8 | Railway equipment | |
| #9 | Machines for making railways | |
| #10 | Railway bodies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hartmann August | 56 |
| #2 | Fastenrath August | 9 |
| #3 | Lohmann Hans | 5 |
| #4 | Lippe Robert V D | 4 |
| #5 | Lippe Robert Von Der | 4 |
| #6 | Koester Franz | 4 |
| #7 | Bultmann Arno | 1 |
| #8 | V D Lippe Robert | 1 |
| #9 | Mueller | 1 |
| #10 | Krause Gustav | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2208710A1 | ANCHOR HOLE DRILLING AND / OR ANCHORING DEVICE ASSIGNED TO A DRIVE MACHINE IN SUBMINARY MINING | |
| DE2145307A1 | EQUIPMENT FOR MOVING TRAILERS | |
| GB1193662A | Combined Cutter-Loader and Face Conveyor for Getting and Removing Coal or the like from Surface of a Working. | |
| DE1016579B | Vehicle lights, especially for motor vehicles | |
| DE903804C | Drilling device for shaft sinking | |
| DE830332C | Pneumatically operated pick hammer |