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ZANDER & INGESTROEM

Overview
  • Total Patents
    55
About

ZANDER & INGESTROEM has a total of 55 patent applications. Its first patent ever was published in 1922. It filed its patents most often in Finland, Denmark and Sweden. Its main competitors in its focus markets thermal processes, chemical engineering and machines are ARTEMOV LEV N, HYDROLA LTD and GRISCOM RUSSELL CO.

Patent filings per year

Chart showing ZANDER & INGESTROEMs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Johan Hallman Nils 8
#2 Hallman Nils Johan 4
#3 Nils Nilsson 4
#4 Nils Hallman 3
#5 Zander Ingestrom Aktiebolaget 3
#6 Maonsson Rune 2
#7 Edman H P R 2
#8 Maansson Rune 2
#9 Sandberg Bernt-Aoke 2
#10 Amundin Sten Birger 2

Latest patents

Publication Filing date Title
WO8404257A1 Scraping device for sedimentation basins
US4589481A Tube heat exchanger
EP0013488A1 Method of starting an oil burner unit and oil burner unit
FR1293413A Device for heating fluids electrically insulated or having low electrical conductivity
US2853953A Liquid pumps
FR1079262A Liquid pump
DE928388C Liquid pump
GB726011A Improvements in apparatus for forcing liquids by vapour pressure
US2764819A Method for drying granular material
DE1067372B Method of drying grain
DE895155C Device for regulating the steam generation of an electrode steam boiler with a steam reservoir
GB645882A Improvements in or relating to the control and regulation of the generation and supply of steam from electric boilers
GB645930A Improvements in or relating to the control and regulation of the generation and supply of steam from electric boilers
US2622739A Filter nozzle
US2598490A Control of the steam generation in electric steam boilers
FR784573A Improvement of bar-shaped electrodes for electric heating of steam boilers or the like
GB223395A Improvements in or relating to absorption refrigerating apparatus
DE400488C Absorption refrigeration machine