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WOLFF

Overview
  • Total Patents
    12
About

WOLFF has a total of 12 patent applications. Its first patent ever was published in 1898. It filed its patents most often in United Kingdom, Switzerland and Netherlands. Its main competitors in its focus markets macromolecular chemistry and polymers, surface technology and coating and machines are HORN PETER, FAR EASTERN APPAREL CO LTD and KENNEDY RICHARD B.

Patent filings in countries

World map showing WOLFFs patent filings in countries

Patent filings per year

Chart showing WOLFFs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wolff 3
#2 Wolff Per 2
#3 Larsen Hans-Ole 2
#4 Wolff Dirk Heinrich Evert 2

Latest patents

Publication Filing date Title
NL1038715C2 Ellips tunnel scale to make a flat low-silver valve.
NL1038638C2 Tunnel to make a flat low-silver valve.
DE19805662A1 Manual lead cable winder for electrical appliance e.g. toaster, coffee machine, hand mixer or food processor
US3637539A Polyurethanes prepared from glyceride reaction products
GB1101975A Method of controlling a polymerisation process in a closed container
IE28503L Expandable polystyrene
GB1106143A Expandable thermoplastic polymeric particles