| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | Canada | 1 | |
| #3 | Germany | 1 | |
| #4 | France | 1 | |
| #5 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machine tools | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Nails | |
| #2 | Hand-held nailing tools | |
| #3 | Unspecified technologies | |
| #4 | Pipes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Helderman James F | 3 |
| #2 | Conrad Joseph R | 2 |
| #3 | Zifferer Morton F | 1 |
| #4 | Franklin Helderman James | 1 |
| #5 | Brooks William E | 1 |
| #6 | Potruch Robert Avon | 1 |
| #7 | Arisman Jr George M | 1 |
| #8 | Peterson Tron O | 1 |
| #9 | Arisman George M Jr | 1 |
| #10 | Cordes Edward H | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3613497A | Expansion anchor | |
| US3547333A | Shield member for an explosive actuated tool | |
| US3474700A | Means for mounting a rigid object at the tip end of a stud element | |
| US3494018A | Explosive actuated tool and method for driving a stud element | |
| GB999904A | Fasteners for securing articles to walls | |
| US2543683A | Expansion shield | |
| US2159580A | Expansion bolt | |
| US2081323A | Toggle bolt | |
| US1386202A | Attaching device | |
| US1050345A | Expansion-bolt. | |
| US1121980A | Expansion-bolt. | |
| CA499592A | Expansion shield |