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STEFFENS BERT

Overview
  • Total Patents
    32
About

STEFFENS BERT has a total of 32 patent applications. Its first patent ever was published in 1969. It filed its patents most often in Germany, United States and EPO (European Patent Office). Its main competitors in its focus markets machines, textiles and paper and environmental technology are R UTI R SRL, NABOK ALEXANDR ANDREEVICH and KURIYAMA CORP.

Patent filings in countries

World map showing STEFFENS BERTs patent filings in countries

Patent filings per year

Chart showing STEFFENS BERTs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Steffens Bert 27
#2 Bert Steffens 2
#3 Beruto Shiyutefuensu 1

Latest patents

Publication Filing date Title
DE4234172A1 Centrifugal separation of particles from a fluid stream - e.g. from air in a pneumatic conveying system
DE4139132A1 Rotating drum and gas-porous mantle for sepg. particles - esp. fibres from gas and filters the gas by tangential flow around the drum and centrifugal force within the drum
DE3809255A1 Process for the recovery of nontextile absorbent materials such as shredded cellulose and/or gel-forming granules or powder from the production scrap from the manufacture of cellulose hygiene articles
DE3736269A1 Rotating tool for working materials in mill chambers
DE3631356A1 METHOD FOR PRODUCING HOUSING
DE3423651C1 Housing for mills for comminuting plastifying or lubricating materials
DE3414567A1 Chopping-type hammer mill for crushing material
DE3414578A1 Fibre-thread filter body
DE3408330A1 Prefabricated beam for erecting wall-like or railing-like boundaries from building elements in the form of bars, columns or slabs
DE3343788A1 Process and apparatus for the separation of products or mixtures of fibrous materials and non-fibrous materials
DE3338062A1 Prefabricated elements made of heavy or light concrete or clinker materials, metals or plastics or other suitable materials, for forming a coherent surface or covering
DE3327244A1 Bar-shaped or panel-shaped prefabricated elements made of heavy or lightweight concrete or other suitable materials for forming a wall-like boundary or continuous surface
BR8203850A Process and device for the separation of cellulose flakes from its cellulose hygienic articles
DE3214294C1 Process for the recovery of cellulose curls and flat wrappings from cellulose hygiene articles
DE3005828A1 Rotary cardan drive system - generates reciprocating movement and has thrust rod guide adjustable in all direction
DE2918345A1 METHOD FOR THE CONTINUOUS SEPARATION OF DISPOSAL OF DISPOSABLE HYGIENE ITEMS IN FLUFFY AND / OR CHIPPED SUCTION MATERIAL ON THE ONE SIDE AND ITS FLAT SURFACES ON THE OTHER SIDE
DE2902428A1 Cellulose sheet reduction - has stack cut into small sections for mill without waste
DE2703063A1 Cellulose and plastics recovery from used sanitary articles - using cutter rolls, high-speed rotor with bars and vacuum extraction
DE2646772A1 Tampon esp. for feminine hygiene - has withdrawal thread bonded to fleece, permitting continuous production at higher speeds
DE2629381A1 METHOD FOR MANUFACTURING A TAMPON AND DEVICE FOR CARRYING OUT THE METHOD