| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 9 | |
| #2 | Austria | 1 | |
| #3 | Switzerland | 1 | |
| #4 | Denmark | 1 | |
| #5 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Machine tools | |
| #3 | Mechanical elements | |
| #4 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Pumps | |
| #2 | Cutting | |
| #3 | Venting or aerating devices | |
| #4 | Dynamo-electric machines | |
| #5 | Internal-combustion piston engines | |
| #6 | Cylinders for combustion engines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Peter Ibach Dipl-Ing | 1 |
| #2 | Co Remscheider Werkzeugfabrik | 1 |
| #3 | Ibach Peter Dipl Ing | 1 |
| #4 | Ibach Adolf | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2912727A1 | Composite valve plate for piston compressor - made from two perforated high strength steel plates with adhesive layer between | |
| DE1650510A1 | Automatic valve for reciprocating compressors | |
| DE1503431A1 | Suction valve arrangement designed for reciprocating compressors |