| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 10 | |
| #2 | United Kingdom | 3 | |
| #3 | France | 2 | |
| #4 | Netherlands | 2 | |
| #5 | United States | 2 | |
| #6 | Belgium | 1 | |
| #7 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Packaging and shipping | |
| #3 | Mechanical elements | |
| #4 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Motor vehicles | |
| #2 | Vehicle suspension arrangements | |
| #3 | Cranes | |
| #4 | Load transportation vehicles | |
| #5 | Vehicle transmission mounting | |
| #6 | Wheelchairs and sledges | |
| #7 | Dredging | |
| #8 | Gearing | |
| #9 | Servomotors |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hildebrandt Willi | 15 |
| #2 | Huet Aloysius Theodorus Van | 2 |
| #3 | Huet Aloysius T Van | 2 |
| #4 | Thedorus Van Huet Aloysius | 1 |
| #5 | Reiber Henning | 1 |
| #6 | Blumenthal Gunther | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2455741A1 | Articulated trailer with steered axle - uses independent suspension for twin wheels for added stability | |
| DE2040324A1 | Loading crane | |
| GB1217646A | Improvements in or relating to semi-trailers | |
| US3430985A | Tractor and trailer construction | |
| GB974823A | Improvements in or relating to transport means | |
| GB964713A | Improvements relating to imparting steering movements to twin axle bogies of trailers or semi-trailers | |
| CA763310A | Steering gear for a double axle |