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NEES STEPHAN

Overview
  • Total Patents
    14
About

NEES STEPHAN has a total of 14 patent applications. Its first patent ever was published in 1972. It filed its patents most often in Germany, United States and Japan. Its main competitors in its focus markets biotechnology, machines and chemical engineering are MEDIKAN INC, PALL TECHNOLOGY UK LTD and HERAEUS SEPATECH.

Patent filings in countries

World map showing NEES STEPHANs patent filings in countries

Patent filings per year

Chart showing NEES STEPHANs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nees Stephan 12
#2 Buhler Edmund 1
#3 Nees Friederike 1
#4 Sutefuan Niisu 1

Latest patents

Publication Filing date Title
DE102005043612A1 Endothelium-protective perfusion apparatus, has pressure piston having large weight, where perfusion liquid sprayed from spraying device is conducted with constant pressure into hollow organ of user`s body, during opening of outlet tube
JPH1024253A Separation of particles by centrifugal separation technique particularly in biological field and device therefor
NL8500354A Apparatus for the purification of particles, biological cell systems and colloids.
US4608342A Method of growing a confluent layer of cells on a porous or semi-permeable substrate and apparatus for practicing the method
US4762794A Apparatus for contacting biological cell systems with a perfusion fluid
JPS5672689A Cultivation method and apparatus of tissue cell
DE2314824A1 Mixer for small liquid quantities - having numerous small chambers magnetically agititated by rotating magnet
DE2305812A1 Gel chromatography - the substance is electrophoretically concentrated before chromatographic sepn