| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 6 | |
| #2 | Switzerland | 1 | |
| #3 | EPO (European Patent Office) | 1 | |
| #4 | France | 1 | |
| #5 | Netherlands | 1 | |
| #6 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Venting or aerating devices | |
| #2 | Pistons and sealings | |
| #3 | Pipes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Boehmer Guenter | 2 |
| #2 | Boehmer Werner | 2 |
| #3 | Boehmer Gunter | 1 |
| #4 | Bohmer Gunter | 1 |
| #5 | Boehmer Guenther | 1 |
| #6 | Bohmer G | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP0091976A1 | Ball valve | |
| DE2933881A1 | SEALING BODY FOR CLOSURES OF TRANSPORT AND STORAGE CONTAINERS OF CHEMICALS. | |
| DE2419129A1 | Valve with metallic spherical closure - has metallic sealing rings in contact with hardened spherical closure unit | |
| DE2249230A1 | Gas valve electrically insulated from pipe - by two insulating rings esp. with air gap between which permit a tightly screwed joint | |
| DE1650468A1 | Ball valve | |
| DE1550390A1 | Shut-off valve for mining machines, especially travel valve for mining handles |