| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 5 | |
| #2 | Germany | 4 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | Austria | 1 | |
| #5 | France | 1 | |
| #6 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Civil engineering | |
| #3 | Materials and metallurgy | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Vehicle wheels | |
| #2 | Machines for making railways | |
| #3 | Clutches and brakes | |
| #4 | Working metallic powder |
| # | Name | Total Patents |
|---|---|---|
| #1 | Weber Lothar | 2 |
| #2 | Wojtek Friedhelm | 2 |
| #3 | Rittinghaus Rolf Dipl-Ing | 2 |
| #4 | Berneiser Karl-Heinz | 2 |
| #5 | Speidel M O | 1 |
| #6 | Kiefer Winfried Dipl-Phys | 1 |
| #7 | Wellnitz Guenter Dipl Ing | 1 |
| #8 | Speidel Markus O Prof Dr | 1 |
| #9 | Murawa Franz Dipl-Ing | 1 |
| #10 | Schreck Dieter | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP0255005A2 | Process and apparatus for manufacturing metallic material by hot isostatic compacting of metal powder | |
| DE3713270A1 | RUBBER SPRINGED RAILWHEEL | |
| DE3603280A1 | WHEEL FOR SMALL-WHEELED RAIL VEHICLES | |
| DE3410690C1 | Rail wheel with rubber suspension | |
| CH666004A5 | Noise dampened rail wheel | |
| DE3333700A1 | Points with a flexible tongue | |
| CH658687A5 | Tongue device on grooved-rail points |