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IMPERIAL GMBH MASCHF

Overview
  • Total Patents
    81
About

IMPERIAL GMBH MASCHF has a total of 81 patent applications. Its first patent ever was published in 1910. It filed its patents most often in Germany, Austria and France. Its main competitors in its focus markets chemical engineering, textiles and paper and macromolecular chemistry and polymers are MOELLER & JOCHUMSEN AS, PANNEVIS BV and JEAN BAPTISTE VERNAY.

Patent filings in countries

World map showing IMPERIAL GMBH MASCHFs patent filings in countries
# Country Total Patents
#1 Germany 60
#2 Austria 8
#3 France 8
#4 United Kingdom 4
#5 Switzerland 1

Patent filings per year

Chart showing IMPERIAL GMBH MASCHFs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Netzel Dipl-Ing Gustav 9
#2 Fest Erich 7
#3 Netzel Gustav Dipl-Ing 5
#4 Fischer Rudolf Dipl-Ing 3
#5 Rumpelt Dr-Ing Horst 3
#6 Hoening Otto 3
#7 Jr Heinz Hoening 2
#8 Rumpelt Dr Horst 2
#9 Fritzsche Erhard 1
#10 Lindner Lothar 1

Latest patents

Publication Filing date Title
DE972975C Continuously working rotary filter with cup-shaped filter boxes
DE879540C Trough for rotary filter thickener with two sludge chambers
DE898888C Drum suction filter with partial vacuum control through liquid shut-off
DE915890C Arrangement for loading and unloading the roller of a roller press, especially for pressing flat goods
DE879382C Removal device for filter cakes made of flexible, preferably rigid or partially rigid reinforcement and removal means
DE879538C Limiting and dividing strips for rotary filters
DE946286C Process for clarifying various types of aqueous suspensions with flocculants
DE875287C Pressure filter
DE968661C Method for operating filters operating below room temperature, in particular cooled rotary filters
DE879383C Ring disc filter
DE943827C Conveyor device for fabric dryer or the like.
DE925463C Conveyor reel for fabric dryer or the like.
DE883594C Ring disc filter with cake removal through endless chains, belts, braids and like
DE885839C Process for depositing foam in chemical-technological work processes, especially in the manufacture of sulphate pulp
DE892740C Method and device for filtering sludge, preferably with coarse or crystalline solids, on rotary filters with double cake removal
DE919458C Device for applying liquid, pasty or similar substances to drying rollers
DE975645C Process for washing out and vacuuming or pressing dry and for avoiding cracks in the filter cake on rotary filters
DE878335C Method of filtration with auxiliary filter media
DE883593C Device for dewatering bulk suspensions
DE944368C Washing filter with filter boxes suspended from the circumference of a frame continuously revolving around a horizontal axis