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SCHLEICHER & SCHUELL CARL

Overview
  • Total Patents
    31
About

SCHLEICHER & SCHUELL CARL has a total of 31 patent applications. Its first patent ever was published in 1920. It filed its patents most often in Germany, Japan and United States. Its main competitors in its focus markets chemical engineering, consumer goods and optics are SCILOG INC, STREAM LINE FILTERS LTD and WEARAIR OXYGEN INC.

Patent filings in countries

World map showing SCHLEICHER & SCHUELL CARLs patent filings in countries
# Country Total Patents
#1 Germany 14
#2 Japan 9
#3 United States 6
#4 France 2

Patent filings per year

Chart showing SCHLEICHER & SCHUELL CARLs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Cosack Claus 6
#2 Hein Wolfgang Dr 6
#3 Grundmann Peter 5
#4 Hein Wolfgang 5
#5 Neumann Manfred 4
#6 Borufugangu Hain 3
#7 Buorufuganku Hain 2
#8 Groos Hans 2
#9 Nirusu Hese 2
#10 Ulrich Johann 2

Latest patents

Publication Filing date Title
JPS5839490A Method of marking non-carrier polymer film and asymmetric non-carrier polymer film
US4136029A Pressure filtration device
DE2723924B1 Back pressure screen and process for its manufacture
DE2717048A1 DEVICE USING A SUPPORT AND LOCKING FOR A HIGH PRESSURE MEMBRANE TEST CELL
DE2717047A1 HIGH PRESSURE MEMBRANE TEST CELL
US4077875A Collodion bag concentration accelerator and sampler
DE2657031A1 COMPENSATION PLATE FOR A PRESSURE FILTRATION CELL
DE2657030A1 METHOD AND DEVICE FOR APPLYING PRESSURE TO A PRESSURE FILTRATION CELL
US4093108A Syringe adapted to overcome a pressure resistance
DE2645111A1 Demountable retaining screen holder for pressure filter - with locking lug system and O=ring seal
DE823271C Writing case
DE851912C Writing case
DE723104C Translucent drawing sheet provided with field division and field identification
DE723202C Method for the correct positional connection of cover sheets provided with field identification and drawings provided with field identification
DE727202C Block with invisible stapling
DE739939C Drawing pad made of pressboard
DE665403C Writing case
DE666064C Filter paper in round disks for filtering liquids in funnels
FR519387A Filter operating by rarefaction of air