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KELLER ERNST

Overview
  • Total Patents
    283
  • GoodIP Patent Rank
    221,778
About

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.

Patent filings per year

Chart showing KELLER ERNSTs patent filings per year from 1900 to 2020

Top inventors

# 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

Latest patents

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
EP0927289A1 Pin tumbler in a rotating lock cylinder
EP0792981A1 Double cylinder for safety lock
EP0763639A1 Pin tumbler and lock cylinder with such a pin tumbler
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