KELLER ERNST has a total of 283 patent applications. Its first patent ever was published in 1902. It filed its patents most often in Switzerland, EPO (European Patent Office) and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets civil engineering, machines and furniture and games are HUANG CHIEN-YUNG, KNOLLAN LTD and ASSA ABLOY RYCHNOV S R O.
# | Country | Total Patents | |
---|---|---|---|
#1 | Switzerland | 58 | |
#2 | EPO (European Patent Office) | 38 | |
#3 | WIPO (World Intellectual Property Organization) | 21 | |
#4 | United States | 18 | |
#5 | Australia | 17 | |
#6 | Brazil | 17 | |
#7 | Canada | 13 | |
#8 | Germany | 10 | |
#9 | Japan | 10 | |
#10 | France | 9 | |
#11 | Austria | 8 | |
#12 | United Kingdom | 6 | |
#13 | Israel | 6 | |
#14 | Czechia | 5 | |
#15 | Poland | 5 | |
#16 | Finland | 4 | |
#17 | Hungary | 4 | |
#18 | Italy | 4 | |
#19 | Netherlands | 4 | |
#20 | Sweden | 4 | |
#21 | Argentina | 3 | |
#22 | Hong Kong | 3 | |
#23 | Singapore | 3 | |
#24 | Slovakia | 3 | |
#25 | Spain | 2 | |
#26 | Belgium | 1 | |
#27 | China | 1 | |
#28 | German Democratic Republic | 1 | |
#29 | Estonia | 1 | |
#30 | Luxembourg | 1 | |
#31 | Mexico | 1 | |
#32 | Norway | 1 | |
#33 | South Africa | 1 |
# | Industry | |
---|---|---|
#1 | Civil engineering | |
#2 | Machines | |
#3 | Furniture and games | |
#4 | Electrical machinery and energy | |
#5 | Transport | |
#6 | Consumer goods | |
#7 | Machine tools |
# | Technology | |
---|---|---|
#1 | Locks | |
#2 | Unspecified technologies | |
#3 | Unspecified technologies | |
#4 | Bolts for doors or windows | |
#5 | Electric switches | |
#6 | Physical training equipment | |
#7 | Motor vehicles | |
#8 | Household appliances | |
#9 | Brushes | |
#10 | Cutting |
# | Name | Total Patents |
---|---|---|
#1 | Keller Ernst | 218 |
#2 | Ernst Keller | 18 |
#3 | Erunsuto Keraa | 9 |
#4 | Schroeder Karl | 2 |
#5 | Rudolf Maeder Dr | 1 |
#6 | Koehler Karl | 1 |
#7 | Tiner Robin L | 1 |
#8 | Widera Juergen | 1 |
#9 | Choi Soo Young | 1 |
#10 | Flori Benno | 1 |
Publication | Filing date | Title |
---|---|---|
WO2015000963A1 | Key and rotary lock cylinder | |
WO2014127810A1 | Multi-piece key tip | |
CN103827417A | Rotary locking cylinder and security key | |
CH704610A1 | Rotary locking cylinder. | |
US2007039563A1 | Dog leash and control apparatus | |
AU2003245792A1 | Key for a security lock | |
PL373349A1 | Security key and locking cylinder | |
CH694770A5 | Rotary locking cylinder for a safety lock. | |
HU0203639A2 | Rotary locking cylinder and a lock-system and a key for them for a safety lock | |
AU4766599A | Shield or rose for a door with a mortise lock | |
EP0937843A2 | Rotary barrel for a security lock | |
CH692791A5 | Cylinder lock and key for a security lock. | |
EP0937186A1 | Device for protecting a mortise lock with a closing cylinder | |
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EP0736653A2 | Rotary lock cylinder for a security lock | |
EP0736652A2 | Rotary lock cylinder for a security lock | |
EP0815336A1 | Rotary locking cylinder for a safety lock | |
EP0724054A2 | Rotary lock cylinder for a security lock |