ROSAEN OSCAR E has a total of 13 patent applications. Its first patent ever was published in 1946. It filed its patents most often in United States and Canada. Its main competitors in its focus markets engines, pumps and turbines, environmental technology and machines are TOCIRCLE IND AS, MALLEN RES LTD PARTNERSHIP and HUGO HEINRICH.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 11 | |
#2 | Canada | 2 |
# | Industry | |
---|---|---|
#1 | Engines, pumps and turbines | |
#2 | Environmental technology | |
#3 | Machines |
# | Name | Total Patents |
---|---|---|
#1 | Rosaen Oscar E | 13 |
#2 | Rosaen Nils O | 1 |
Publication | Filing date | Title |
---|---|---|
US4353337A | Rotary engine | |
US4202313A | Rotary engine | |
US3272139A | Pumps | |
US3211104A | Pumps | |
US3139905A | Fluid superchargers | |
US2982223A | Fluid pumps | |
US2982219A | Vane type pumps | |
US2937599A | Fluid pump | |
US2938470A | Fluid pumps | |
US2941479A | Fluid pumps or motors of the vane type | |
US2521997A | Vane type hydraulic motor | |
CA499461A | Fluid pumps | |
CA487919A | Hydraulic motors |