| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 9 | |
| #2 | EPO (European Patent Office) | 1 | |
| #3 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Engines, pumps and turbines | |
| #3 | Electrical machinery and energy | |
| #4 | Measurement | |
| #5 | Control | |
| #6 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Servomotors | |
| #2 | Pumps | |
| #3 | Cyclically operating valves | |
| #4 | Gearing | |
| #5 | Toys | |
| #6 | Positive-displacement engines | |
| #7 | Teaching materials | |
| #8 | Venting or aerating devices | |
| #9 | Measuring speed and acceleration | |
| #10 | Electric switches |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kucharzyk Reinhard | 9 |
| #2 | Kucharzyk Hildegard | 1 |
| #3 | Kucharzyk Uwe | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2905286A1 | Servo-hydraulic control for hydraulic motor - has control and regulating pistons which centre to control hydraulic pressure | |
| DE2527752A1 | Bidirectional pressure fluid flow detector - replaces electrical limit switches on electrically controlled hydraulic linear motors | |
| DE2337245A1 | Heavy load handling servo system - is double acting hydrostatic cylinders with lift rate dependant upon load | |
| DE2334000A1 | High pressure plunger type water pump - has oil loaded reservoir to give pulsation free output |