| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 8 | |
| #2 | Austria | 3 | |
| #3 | Belgium | 1 | |
| #4 | Finland | 1 | |
| #5 | France | 1 | |
| #6 | Netherlands | 1 | |
| #7 | Sweden | 1 | |
| #8 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Medical technology | |
| #2 | Transport | |
| #3 | Machines | |
| #4 | Environmental technology | |
| #5 | Weapons | |
| #6 | Mechanical elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Meyer Wilhelm | 4 |
| #2 | Meyer Jun Wilhelm | 3 |
| #3 | Klug Hans | 2 |
| #4 | Meyer Fa Wilhelm | 1 |
| #5 | Meyer W | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2906257A1 | Electromagnetic brake for electrically driven wheel chair - is combined with hand lever controlling power supply, fitted with locating device | |
| DE2906372A1 | SICK WHEELCHAIR | |
| DE2534420A1 | Folding motorised invalid chair - with flat removable motors and reduction gears on each rear wheel | |
| DE2532485A1 | Over centre handbrake for invalid chair - with open housing to cover simple linkage and prevent injury | |
| DE2426629A1 | Folding wheel chair with adjustable rear wheel - has screw adjustment and multi-position rear wheel mountings | |
| US3686786A | Lock for double-barreled firearm |