| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 17 | |
| #2 | Canada | 3 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Environmental technology | |
| #4 | Packaging and shipping | |
| #5 | Thermal processes | |
| #6 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Soldering, welding and flame cutting | |
| #2 | Unspecified technologies | |
| #3 | Gas-flow silencers for machines | |
| #4 | Sawing | |
| #5 | Punching metal | |
| #6 | Turning | |
| #7 | Lifting and pushing | |
| #8 | Burners | |
| #9 | Dredging | |
| #10 | Accessories for machine tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Berg Richard O | 16 |
| #2 | Simon Berg | 9 |
| #3 | Jones Clevoe D | 1 |
| #4 | Fridtjof Berg | 1 |
| #5 | Harold Beardsley | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2545284A | Welding machine | |
| US2378459A | Weeding tool | |
| US2186062A | Muffler | |
| US2186061A | Tube cut-off apparatus | |
| US2076062A | Burr removing apparatus | |
| US2073776A | Sheet stock cutting machine | |
| US1917919A | Screw jack | |
| US1993397A | Exhaust conduit and muffler for an automotive vehicle | |
| US1716847A | Welding unit and method of welding | |
| US1481887A | Method of melding tubes | |
| US1520221A | Tube-welding machine | |
| US1468272A | Machine for sizing tubing | |
| US1481886A | Machine for feeding tubing | |
| US1491128A | Method of tube welding | |
| US1483272A | Tube welding | |
| US1476793A | Automatic reverser | |
| US1390423A | Welding-tip | |
| CA283281A | Tube machine | |
| CA277750A | Gas welder | |
| CA277749A | Welding method |