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.
# | Country | Total Patents | |
---|---|---|---|
#1 | United Kingdom | 3 | |
#2 | Switzerland | 2 | |
#3 | Netherlands | 2 | |
#4 | United States | 2 | |
#5 | Germany | 1 | |
#6 | France | 1 | |
#7 | Ireland | 1 |
# | Name | Total Patents |
---|---|---|
#1 | Wolff | 3 |
#2 | Wolff Per | 2 |
#3 | Larsen Hans-Ole | 2 |
#4 | Wolff Dirk Heinrich Evert | 2 |
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 |