| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 5 | |
| #2 | Japan | 4 | |
| #3 | United States | 4 | |
| #4 | EPO (European Patent Office) | 3 | |
| #5 | France | 3 | |
| #6 | WIPO (World Intellectual Property Organization) | 2 | |
| #7 | Canada | 1 | |
| #8 | United Kingdom | 1 | |
| #9 | Italy | 1 | |
| #10 | Netherlands | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Environmental technology | |
| #3 | Thermal processes | |
| #4 | Mechanical elements | |
| #5 | Surface technology and coating | |
| #6 | Consumer goods |
| # | Name | Total Patents |
|---|---|---|
| #1 | Weibel Hans | 6 |
| #2 | Grieder Max | 6 |
| #3 | Steiner Martin | 3 |
| #4 | Evans Albert D | 3 |
| #5 | Hansz Bernard | 2 |
| #6 | Stohler Peter | 2 |
| #7 | Nussbaumer Peter | 2 |
| #8 | Dillier Gustav | 2 |
| #9 | Scholl Georges | 2 |
| #10 | Rosenmund Peter | 2 |
| Publication | Filing date | Title |
|---|---|---|
| FR2770234A1 | Sleeping bar for the paper industry | |
| EP0560955A1 | Filter matting for a reversible-flow filter | |
| WO8809470A1 | Freezing device | |
| CH669533A5 | Pressure filter - in which position and heating of mixer-compactor hovel-blades of improved design is processor controlled | |
| EP0180784A2 | Valve for processing plant | |
| CH647685A5 | Filter chute. | |
| GB1591208A | Air-conditioning device | |
| CA1045047A | Filtering apparatus | |
| US4081381A | Filtering apparatus |