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NYDQVIST AND HOLM AKTIEBOLAG

Overview
  • Total Patents
    17
About

NYDQVIST AND HOLM AKTIEBOLAG has a total of 17 patent applications. Its first patent ever was published in 1957. It filed its patents most often in Canada and United Kingdom. Its main competitors in its focus markets environmental technology and engines, pumps and turbines are ASTAKHOV VALERIJ V, BAGNULO ALBERT and ALTAISKIJ MOTOR ZAVOD.

Patent filings in countries

World map showing NYDQVIST AND HOLM AKTIEBOLAGs patent filings in countries
# Country Total Patents
#1 Canada 16
#2 United Kingdom 1

Patent filings per year

Chart showing NYDQVIST AND HOLM AKTIEBOLAGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lindquist Arne H 7
#2 Wijkander Svante H 2
#3 Munkstrand Nils E 2
#4 Lindquist Herman A 1
#5 Bohman Stig A B 1
#6 Wingquist Sten G 1
#7 Edvardsen Edgar S 1
#8 Stage Ernst E 1
#9 Linder Axel V 1

Latest patents

Publication Filing date Title
GB797067A Improvements relating to 2-stroke diesel engines
CA792040A Method of adjusting the bearing boxes of the wicket gates in a water turbine
CA859481A Stay ring for hydraulic turbines, pump turbines and pumps
CA734234A Stay ring for water turbines, pump turbines and pumps
CA803809A Device for closing of wicket guides in e.g. water turbine installations
CA850911A Method of manufacturing large tubular shafts
CA536873A Runaway speed limiting device in servomotor for adjustable runner blades of turbines
CA782339A Device for controlling relief valves in water turbines
CA794613A Method of machining surfaces of blanks for turbine blades or propeller blades and machine for this purpose
CA690936A Runners of francis type for turbines and pumps
CA806978A Device for copying the position of a member that can be displaced axially in a rotatable shaft
CA783991A Device for detection and removal of water from runner hubs of hydraulic turbines or pumps
CA753077A Control device for a turbine
CA799750A Device for adjusting wicket gate end clearance in a hydraulic turbine
CA726482A Device for wicket guide stems for water turbines, pump turbines or pumps
CA645527A Procedure for the manufacture of turbine blades
CA785049A Closing device of wicket gates in e.g. hydraulic-turbines