| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Canada | 4 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Packaging and shipping | |
| #3 | Machine tools | |
| #4 | Machines | |
| #5 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Mining | |
| #2 | Wood working | |
| #3 | Unspecified technologies | |
| #4 | Gearing | |
| #5 | Transport or storage devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Tibbals Charles E | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US4310088A | In-line feed system | |
| US2561544A | Drive mechanism for shaker conveyers | |
| US2399075A | Undercutting and conveying element | |
| US2399074A | Breaking down mechanism | |
| US2399713A | Longwall mining machine | |
| US2422053A | Entry driving machine | |
| US2399073A | Longwall mining machine | |
| CA517951A | Cutting means for parquetry block machines | |
| CA615253A | Method of and apparatus for making parquet flooring blocks | |
| CA526026A | Spline affixing device for parquetry blocks | |
| CA667928A | Wooden parquet flooring block and method and apparatus for producing same |