LUDWIG VANWERSCH has a total of 20 patent applications. Its first patent ever was published in 1950. It filed its patents most often in Germany and United Kingdom. Its main competitors in its focus markets civil engineering and mechanical elements are BIRMINGHAM BOLT CO, DYWIDAG SYSTEMS INTERNATIONAL PTY LTD and SCOTT JAMES J.
| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 15 | |
| #2 | United Kingdom | 5 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Vanwersch Ludwig | 15 |
| #2 | Vanwersch Aloys | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1009483A | Mine roof support bar | |
| GB909275A | End to end connection for bars, especially mine roof bars | |
| GB845976A | A support bar for underground workings |