WERJEFELT BERTIL has a total of 31 patent applications. Its first patent ever was published in 1980. It filed its patents most often in EPO (European Patent Office), United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets transport, environmental technology and consumer goods are ZIM FLUGSITZ GMBH, E I S AIRCRAFT GMBH and GQ PARACHUTE COMP LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | EPO (European Patent Office) | 7 | |
#2 | United States | 6 | |
#3 | WIPO (World Intellectual Property Organization) | 6 | |
#4 | Brazil | 3 | |
#5 | Canada | 3 | |
#6 | Hong Kong | 2 | |
#7 | Israel | 2 | |
#8 | Australia | 1 | |
#9 | China | 1 |
# | Industry | |
---|---|---|
#1 | Transport | |
#2 | Environmental technology | |
#3 | Consumer goods | |
#4 | Optics | |
#5 | Electrical machinery and energy |
# | Technology | |
---|---|---|
#1 | Parachutes | |
#2 | Climate change mitigation in transportation | |
#3 | Live-saving devices | |
#4 | Vehicle parts | |
#5 | Optical systems | |
#6 | Aeroplanes | |
#7 | Dynamo-electric machines |
# | Name | Total Patents |
---|---|---|
#1 | Werjefelt Bertil | 26 |
#2 | Werjefelt Alexander | 3 |
#3 | Bertil Werjefelt | 3 |
Publication | Filing date | Title |
---|---|---|
WO2020023314A1 | Emergency vision system with fixed and hand-held enclosures | |
US5318250A | Pilot visual assurance apparatus for an aircraft cockpit | |
US5202796A | Emergency visual assurance apparatus for an aircraft cockpit | |
AU2253788A | Operator station emergency visual assurance method and apparatus | |
US4832287A | Operator station emergency visual assurance method and apparatus | |
EP0202228A1 | Aircraft safety cushion assemblies | |
WO8502303A1 | Negative mass-energy conversion and amplification system | |
US4440164A | Life support system and method of providing fresh air to enclosed areas | |
US4461155A | Aircraft cabin ventilation system |