| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 6 | |
| #2 | Italy | 5 | |
| #3 | United States | 3 | |
| #4 | Germany | 2 | |
| #5 | Brazil | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Environmental technology | |
| #3 | Machine tools | |
| #4 | Machines | |
| #5 | Civil engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ernst A | 4 |
| Publication | Filing date | Title |
|---|---|---|
| GB1585034A | Suspension joint | |
| GB1566492A | Durometer according to rockwell system | |
| GB1522532A | Hand-operable hardness tester | |
| GB1396397A | Method for separating oily fluids from water | |
| US3783593A | Plant cutting apparatus | |
| GB1333446A | Durometer | |
| US3760487A | Method and apparatus for producing shear pins for use in a hardness testing apparatus | |
| GB1335858A | Method for determining the force required to shear a bar and for testing hardness using the bar |