Helsinki
Finland
4
2019-10-31
The entities that hold a legal rights for patent applications filed by inventor KETONEN Ari:
Ari KETONEN from Helsinki, FI has applied for patents for these inventions. The list has both pending applications and granted patents:
Method and an elevator for automatic elevator condition checking
#2 | 2016-03-10Apparatus for performing a rescue run in an elevator system by selecting rescue functions to utilize to perform the rescue run and a method of performing same
#3 | 2014-09-04Insulated landing door of an elevator
#4 | 2013-09-19Backup circuit for electricity supply, elevator system, and method for ensuring electricity supply of an electronic overspeed governor
438991 ⎘