Matti Kahkipuro

EG Elevator Gmbh: 10 patents #1 of 32Top 4%

KC Kone Elevators Co.: 9 patents #1 of 67Top 2%

KO Kone: 4 patents #257 of 633Top 45%

AA Abb Technology Ag: 1 patents #151 of 306Top 50%

ME Montgomery Elevator: 1 patents #9 of 20Top 45%

📍 Hyvinkää, FI: #1 of 261 inventorsTop 1%

Overall (All Time): #146,730 of 4,157,543Top 4%

Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #	Title	Co-Inventors	Date
4393442	Procedure and means for monitoring current data in a thyristor-controlled direct current drive	—	1983-07-12
4380275	Apparatus for interfacing weighing data with a lift control system	—	1983-04-19