| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 | |
| #2 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Chemical engineering | |
| #3 | Civil engineering | |
| #4 | Machine tools | |
| #5 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Unspecified technologies | |
| #3 | Working stone | |
| #4 | Construction of roads | |
| #5 | Scaffolding | |
| #6 | Accessories for machine tools | |
| #7 | Sawing | |
| #8 | Finishing work on buildings | |
| #9 | Venting or aerating devices | |
| #10 | Presses |
| # | Name | Total Patents |
|---|---|---|
| #1 | Smith Edmund G | 7 |
| #2 | Cocchiarella Otell M | 6 |
| #3 | Swan Leo | 4 |
| #4 | Harding Jr Edward M | 3 |
| #5 | Peterson Clayton R | 2 |
| #6 | Ward James E | 2 |
| #7 | Harding William Richard | 1 |
| #8 | Cocchiarelia Otell M | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US6021771A | Surfacing machine with "strip-sert" cutter assemblies | |
| US5172680A | Dust removal kit for masonry table-saw | |
| US5167215A | Dust removal apparatus for a concrete saw | |
| US4758050A | Stripping machine cutter finger assembly | |
| US3331290A | Powered trowel | |
| US3156231A | Concrete plane | |
| US2798424A | Filter | |
| US2798609A | Method of concentrating sludge | |
| US2725144A | Filter element | |
| US2578636A | Tube thickener | |
| US2489682A | Filter element | |
| US2601231A | Quick-acting diaphragm operated gate valve | |
| US2489681A | Rotary filter |