| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Brazil | 5 | |
| #3 | Australia | 4 | |
| #4 | Canada | 4 | |
| #5 | EPO (European Patent Office) | 4 | |
| #6 | Belgium | 1 | |
| #7 | Denmark | 1 | |
| #8 | Italy | 1 | |
| #9 | Norway | 1 | |
| #10 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Soldering, welding and flame cutting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Nilsen Carl J | 19 |
| #2 | Sharp Charles M | 3 |
| #3 | Nilsen C | 3 |
| #4 | Nilsen C J | 2 |
| #5 | Sharp Charles Michael | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US4577088A | Method of laser butt welding | |
| US4574176A | Method and apparatus for pulsed high energy density welding | |
| AU1736683A | Seam welding guide | |
| US4436979A | Apparatus for continuous laser welding | |
| US4497995A | Apparatus for continuously advancing and welding metal can bodies and the like | |
| US4341943A | Method of butt welding sheet metal | |
| US4354090A | Z-bar guide apparatus and method of butt welding | |
| AU6576480A | Z-bar guide apparatus | |
| US4272004A | Z-Bar guide apparatus |