| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 23 | |
| #2 | United Kingdom | 5 | |
| #3 | Switzerland | 2 | |
| #4 | Germany | 1 | |
| #5 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Machine tools | |
| #3 | Textiles and paper | |
| #4 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Smoking accessories | |
| #2 | Blasting | |
| #3 | Auxiliary weaving apparatus | |
| #4 | Special furniture | |
| #5 | Wood working |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ropp Eugene | 23 |
| #2 | Eugene Ropp | 3 |
| Publication | Filing date | Title |
|---|---|---|
| GB211843A | Improvements in covers for tobacco pipes | |
| US1579735A | Pipe | |
| GB181301A | Improvements in tobacco pipes | |
| GB160722A | Improvements in pipes | |
| GB146812A | Improvements in the manufacture of pipes, cigar holders and like devices | |
| GB139420A | Improvements in or relating to tobacco and like pipes |