STAYNEW FILTER CORP has a total of 15 patent applications. Its first patent ever was published in 1925. It filed its patents most often in United States. Its main competitors in its focus markets chemical engineering, engines, pumps and turbines and consumer goods are KUEFNER KARL KG, KLINKAU GMBH & CO and BOURDALE L R J.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 15 |
# | Industry | |
---|---|---|
#1 | Chemical engineering | |
#2 | Engines, pumps and turbines | |
#3 | Consumer goods | |
#4 | Civil engineering |
# | Technology | |
---|---|---|
#1 | Separation | |
#2 | Live-saving devices | |
#3 | Non-positive-displacement pumps | |
#4 | Doors and windows |
# | Name | Total Patents |
---|---|---|
#1 | Dollinger Lewis L | 14 |
#2 | Hasselwander Claude F | 1 |
Publication | Filing date | Title |
---|---|---|
US2421776A | Filter device | |
US2232065A | Air filter | |
US2144451A | Automatic air filter | |
US2161027A | Fan | |
US2058669A | Air filter | |
US2016993A | Air filter | |
US2052453A | Ventilator | |
US2013038A | Air filter | |
US2016992A | Air filter | |
US2016991A | Air filter | |
US1830098A | Cleaning tool for filters | |
US1830096A | Panel air filter | |
US1830095A | Pipe line filter | |
US1691514A | Means for cleaning filters | |
US1784278A | Method and apparatus for filtering and cleaning filters |