| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | Canada | 7 | |
| #3 | Germany | 5 | |
| #4 | United Kingdom | 5 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Shaping clay | |
| #2 | General building constructions | |
| #3 | Scaffolding | |
| #4 | Nails | |
| #5 | Unspecified technologies | |
| #6 | Structural elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mess Richard C | 13 |
| #2 | Tausanovitch Dusan | 3 |
| #3 | Holtvogt Joseph D | 3 |
| #4 | Sullivan Ralph G | 2 |
| #5 | Ruppert Richard L | 1 |
| #6 | Case James E | 1 |
| #7 | Grayson Boyd H | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4251047A | Swivel hold-down device | |
| US4132045A | Reinforcing bar support | |
| CA1082483A | Filler plug for coil insert in concrete slab or panel | |
| US4084780A | Cavity forming plug for coil insert in concrete product | |
| US4056912A | Method for releasing tilt-up panel hoisting member | |
| CA1082482A | Coil insert with removable elastomeric filler | |
| CA1048747A | Swivel hold-down device | |
| US4016696A | Tie rod hole plug in combination with a wall hole | |
| US3943817A | Split bolt | |
| US3922946A | Split bolt |