| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 12 | |
| #2 | United States | 10 | |
| #3 | Austria | 7 | |
| #4 | Canada | 7 | |
| #5 | Germany | 6 | |
| #6 | South Africa | 5 | |
| #7 | USSR (Union of Socialist Soviet Republics) | 4 | |
| #8 | EPO (European Patent Office) | 3 | |
| #9 | Spain | 3 | |
| #10 | Japan | 3 | |
| #11 | Australia | 2 | |
| #12 | Belgium | 2 | |
| #13 | Brazil | 2 | |
| #14 | China | 2 | |
| #15 | France | 2 | |
| #16 | United Kingdom | 2 | |
| #17 | Netherlands | 2 | |
| #18 | Norway | 2 | |
| #19 | Sweden | 2 | |
| #20 | Finland | 1 | |
| #21 | Croatia | 1 | |
| #22 | Italy | 1 | |
| #23 | Republic of Korea | 1 | |
| #24 | Poland | 1 | |
| #25 | Slovenia | 1 | |
| #26 | Yugoslavia (Serbia and Montenegro) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machine tools | |
| #3 | Packaging and shipping | |
| #4 | Machines | |
| #5 | Consumer goods | |
| #6 | Civil engineering | |
| #7 | Medical technology | |
| #8 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Punching metal | |
| #3 | Filing and indexing | |
| #4 | Earth drilling | |
| #5 | Unspecified technologies | |
| #6 | Transport or storage devices | |
| #7 | Diagnosis and surgery | |
| #8 | Chemical or physical laboratory devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Straub Immanuel | 57 |
| #2 | Shtraub Immanuel | 3 |
| #3 | Immanuel Straub | 3 |
| #4 | Imanueru Sutoroobe | 2 |
| #5 | Immanuel Shtraub | 1 |
| #6 | Straub I | 1 |
| #7 | Imaniyueru Shiyutoraupu | 1 |
| Publication | Filing date | Title |
|---|---|---|
| HRP920367B1 | Pipe coupling | |
| CH676875A5 | Clamping sleeve for joining tow pipe ends - has contractible clamping rings surrounded firmly by sleeve housing | |
| CH666949A5 | PIPE COUPLING. | |
| CH667904A5 | PIPE COUPLING. | |
| CH653113A5 | Pipe coupling and use thereof. | |
| CH635662A5 | Pipe coupling to connect length changes subjected to pipes. | |
| SI7711805A8 | Pipe clasp | |
| ATA537576A | PIPE COUPLING | |
| ATA537676A | PIPE COUPLING | |
| US4091693A | Helical surface-shaped machine part and method for manufacturing the same | |
| US3877733A | Pipe coupling | |
| DE1264184B | Coupling, especially for pipes | |
| GB924150A | Office utensil | |
| CA792626A | Coupling |