PP

Pertti Puumalainen

EO Enso-Gutzeit Oy: 4 patents #1 of 43Top 3%
OA Oy Tampella Ab: 1 patents #52 of 124Top 45%
📍 Kuopio, FI: #6 of 216 inventorsTop 3%
Overall (All Time): #527,319 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
5543331 Method of detection of alien matter contents in gases 1996-08-06
5175436 Method of producing high-energy electron curtains with high performance 1992-12-29
5047723 Method for detection of foreign matter contents in gases 1991-09-10
4812665 Method and apparatus for measuring of humidity Reijo Kuusela 1989-03-14
4700486 Measuring the thickness for a continuous material web 1987-10-20
4669102 Method and device for operating and focusing tomographic X-ray equipment 1987-05-26
4639942 Procedure for measuring the quantity of silicon coating on paper or cardboard 1987-01-27
4595840 Procedure and means for observing streaks in the machine direction in paper or in its coating 1986-06-17
4572957 Means for creating an electron curtain Pertti Sikanen 1986-02-25
4543487 Procedure and means for creating an electron curtain with adjustable intensity distribution Rauno Rantanen, Pertti Sikanen 1985-09-24