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DROSTHOLM F H

Overview
  • Total Patents
    95
About

DROSTHOLM F H has a total of 95 patent applications. Its first patent ever was published in 1963. It filed its patents most often in United States, United Kingdom and Germany. Its main competitors in its focus markets machines, macromolecular chemistry and polymers and chemical engineering are ISHIKAWA TOKI IRON WORKS, SUZHOU WUZHONG DISTR LINHU JUNFENG MACHINERY FACTORY and ROTO EVOLUTION GMBH.

Patent filings in countries

World map showing DROSTHOLM F Hs patent filings in countries

Patent filings per year

Chart showing DROSTHOLM F Hs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Drostholm Frede Hilmar 27
#2 Willadsen Per 8
#3 Jensen Harry 7
#4 Drostholm F 7
#5 Drostholm Frede H 6
#6 Drostholm F H 5
#7 Willadsen P 4
#8 Jensen H 4
#9 Drostholm H F 4
#10 Petersen Kaj Ditlev Frederik 3

Latest patents

Publication Filing date Title
US4164537A Brick press and associated equipment for making bricks
US4050865A Brick press and associated equipment for making bricks
US4081302A Method for making tubular resin elements such as pipes
US4082597A Method and apparatus for making continuous lengths of resin tubes
US4022669A Equipment for cleaning solvents
US4048276A Structural building components and method for production on the basis of laterite
US4035128A Brick press and associated equipment for making bricks
CA985861A Helically advanced carrier strip on strip supporting structure in tube making
US3865526A Apparatus for manufacturing pipes
US3849527A Method for making reinforced or filled resin products
US3891510A Integrated apparatus for distilling batches of contaminated solvents
US3943224A Method and apparatus for making continuous lengths of resin tubes
US4011354A Method and apparatus for making tubular resin elements such as pipes
US3784667A Method for manufacturing pipes
AU3230671A Apparatus for making continuous lengths of resin tubes
IL37392D0 Method of and apparatus for making resin coated fiber reinforced resin articles
ZA7104108B Method for making fiber reinforced resin materials
GB1318831A Method of manufacturing objet cts containing a cavity filled with a rigid foam of polyurethane and a polyurethane foam for use in the method
GB1062961A Improvements in and relating to a method of measuring the quantities discharged during predetermined periods of one or more viscous liquids and apparatus for performing the method
DE1245157B Apparatus for dispensing one or more viscous liquids over periods of predetermined duration