| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 6 | |
| #2 | United States | 4 | |
| #3 | Austria | 3 | |
| #4 | Denmark | 2 | |
| #5 | Canada | 1 | |
| #6 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Textiles and paper | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Shaping of plastics | |
| #3 | Pipes | |
| #4 | Making paper containers |
| # | Name | Total Patents |
|---|---|---|
| #1 | Keller Carl | 16 |
| #2 | Carl Keller | 1 |
| #3 | Toscani Natale | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2009095066A1 | Vadose zone pore liquid sampling system | |
| US2009003934A1 | Mapping of contaminants in geologic formations | |
| US2008142214A1 | Pore fluid sampling system with diffusion barrier and method of use thereof | |
| US2007260439A1 | Flexible borehole liner with diffusion barrier and method of use thereof | |
| CA137585A | Yarn, etc. | |
| GB189600800A | An Improved Motor Carriage. |