| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 5 | |
| #2 | Germany | 4 | |
| #3 | Austria | 3 | |
| #4 | United Kingdom | 2 | |
| #5 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Environmental technology | |
| #3 | Engines, pumps and turbines | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Cleaning | |
| #3 | Internal-combustion piston engines | |
| #4 | Pipes | |
| #5 | Gas-flow silencers for machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Pausch Josef | 15 |
| #2 | Lewis Harvey S | 1 |
| #3 | Kampa Glen | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4082523A | Filter bag cleaning apparatus | |
| GB1243231A | High pressure cleaning of dust separating apparatus | |
| GB1151846A | Cleaning of Gas Filtering Elements. | |
| CA867939A | High pressure cleaning of dust separating apparatus | |
| CA813682A | Supersonic cleaning of filtering media | |
| CA867940A | Cleaning of dust separating apparatus | |
| CA867936A | Device for filtering solids from a gas |