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STEFFENS RALF

Overview
  • Total Patents
    75
  • GoodIP Patent Rank
    56,305
  • Filing trend
    ⇧ 150.0%
About

STEFFENS RALF has a total of 75 patent applications. It increased the IP activity by 150.0%. Its first patent ever was published in 1999. It filed its patents most often in Germany, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets engines, pumps and turbines, machines and machine tools are SUNNY KING MACHINERY CO LTD, EDWARDS TECH VACUUM ENGINEERING QINGDAO CO LTD and ENTECNIA CONSULTING S L U.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Steffens Ralf 72

Latest patents

Publication Filing date Title
DE102018002567A1 Glanded displacement
DE102018001519A1 Storage and drive for an R718 compressor
CN110520626A The vapour compression machine including dry type positive displacement unit as main shaft compressor
DE102017006206A1 Positive displacement compressor system for R-718
DE102017106781A1 Rotor edge pairings
DE102017000382A1 Water vapor compression with intelligent dry runner displacer
DE102017000381A1 Dry water vapor displacement machine
WO2018086680A1 Spindle compressor
DE102015108790A1 Bearing for a spindle compressor with high internal compression
DE102015002926A1 Compressed air energy storage system with spindle machine
DE102014008293A1 Power adaptation with a spindle compressor
DE102014008288A1 Spindle compressors for compression refrigerators
DE102013211185A1 Spindle compressor used in industry, has oil storage chamber which is provided in the space between the inner housing and outer housing
DE102013009040A1 Spindle compressor with high internal compression
DE102012011820A1 Dual shaft rotary positive displacement machine for conveying and compression of gases, forms cooling fluid exit of spindle rotor internal cooling in brush seal component so that spindle rotor wetted by fluid veil is possible
DE102012011822A1 Spindle compressor drive for use as e.g. dry screw compressor for compressing gas for industrial application in vacuum, has externally toothed drive gear with tooth radius of specific value of distance of spindle rotor pair
DE102012009103A1 spindle compressor
DE102012202712A1 Dry twin-shaft rotary screw spindle compressor has working chamber at conveying gas inlet side whose volume is greater than that of working chamber at conveying gas outlet side, and spindle rotors having preset circumferential speed
DE102011118050A1 Spindle compressor profile contour for two-shaft positive displacement rotary engine, has head arc with force groove, which is provided in such manner that overall profile centroid lies as close to rotor pivot point
DE102011004960A1 Compressor e.g. twin screw compressor, has final delivery chamber that is opened to compressed air outlet, so that operating pressure of compressed air outlet is more than specific value