| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 2 | |
| #2 | United Kingdom | 2 | |
| #3 | Germany | 1 | |
| #4 | Denmark | 1 | |
| #5 | France | 1 | |
| #6 | Ireland | 1 | |
| #7 | Netherlands | 1 | |
| #8 | Norway | 1 | |
| #9 | Sweden | 1 | |
| #10 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Scaffolding | |
| #2 | Hydraulic engineering | |
| #3 | Shafts | |
| #4 | Foundations and excavations | |
| #5 | Structural elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Thorpe Walter | 5 |
| #2 | Thorpe W | 2 |
| #3 | Thorpe John Malcolm | 1 |
| #4 | Pearson William | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1540585A | Installation of pre-stressing elements | |
| US4056905A | Pre-stressed concrete structures | |
| GB1492839A | Prestressed concrete structures |