| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | Canada | 2 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | Australia | 1 | |
| #6 | Czechia | 1 | |
| #7 | Slovakia | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements | |
| #3 | Machines | |
| #4 | Electrical machinery and energy | |
| #5 | Optics | |
| #6 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Swimming pools | |
| #2 | Platform constructions | |
| #3 | Pipes | |
| #4 | Unspecified technologies | |
| #5 | Foundations and excavations | |
| #6 | Cameras | |
| #7 | Installation of electric cables | |
| #8 | Machines for making railways | |
| #9 | Clutches and brakes | |
| #10 | Transport or storage devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Chapman William A | 14 |
| Publication | Filing date | Title |
|---|---|---|
| WO0034602A1 | Hand hole reinforcement assembly | |
| EP1007289A2 | Method and apparatus for joining structural components | |
| CA2120656A1 | Apparatus for Joining Structural Components | |
| US2613802A | Conveyer idler | |
| US1096284A | Optical instrument. | |
| US746022A | Railroad-frog. | |
| US676489A | Metallic insert for brake-shoes. |