CARL HAMACHER K G has a total of 13 patent applications. Its first patent ever was published in 1948. It filed its patents most often in Germany and France. Its main competitors in its focus markets mechanical elements and civil engineering are FLUOR OCEAN SERVICES, B TRANSPORTNO KHIM MASH K and IVANOV VIKTOR M.
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Safety devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Doernenburg Heinrich | 6 |
| #2 | Nymphius Paul | 1 |
| #3 | Hortmann Heinrich | 1 |
| #4 | Wittko Friedrich | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE1029632B | Push-in pipe coupling | |
| DE949314C | Pipe coupling with bayonet lock | |
| DE835820C | Quick pipe coupling | |
| DE819480C | Pipe coupling | |
| DE806291C | U-clamp coupling for pipes |
