| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 11 | |
| #2 | South Africa | 2 | |
| #3 | Brazil | 1 | |
| #4 | Switzerland | 1 | |
| #5 | German Democratic Republic | 1 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Electrical machinery and energy | |
| #3 | Civil engineering | |
| #4 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Gearing | |
| #2 | Dynamo-electric machines | |
| #3 | Wing fittings | |
| #4 | Indexing scheme relating to hinges | |
| #5 | Doors and windows | |
| #6 | Clutches and brakes | |
| #7 | Lifting and pushing | |
| #8 | Electric switches |
| # | Name | Total Patents |
|---|---|---|
| #1 | Pradler Josef | 16 |
| #2 | Josef Pradler | 3 |
| Publication | Filing date | Title |
|---|---|---|
| DE3911040A1 | Linear drive unit | |
| DE3824868A1 | Spindle stroke element | |
| DE3733781A1 | Linear drive unit | |
| BR8704420A | Linear drive unit | |
| DE3705528A1 | Linear drive unit | |
| DE3629279A1 | LINEAR DRIVE UNIT | |
| DE3629281A1 | Conversion mechanism for converting a rotary motion into a linear motion | |
| DE3420789A1 | Drive unit | |
| DE3308537C1 | Linear drive unit | |
| DE3205347A1 | Torque-transmission unit for a folding-door drive with overload protection | |
| DE3145217A1 | Linear drive unit | |
| DE2928705A1 | Planet gear with coaxial tubular shafts - includes worm wheel drive to increase reduction ratio |