| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 9 | |
| #2 | United Kingdom | 3 | |
| #3 | United States | 1 |
| # | Name | Total Patents |
|---|---|---|
| #1 | Georg Wieland | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE686082C | Process for compacting concrete | |
| GB505650A | Improvements relating to the joints between the abutting sections of concrete road and like coverings | |
| GB456553A | Process and apparatus for the production of expansion-joints in bodies of hardening masses | |
| US2172042A | Process and device for producing expansion joints in concrete | |
| GB418786A | Hydraulic binder | |
| DE582877C | Hydraulic binder |