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WIEDERHOLD HERMANN

Overview
  • Total Patents
    37
About

WIEDERHOLD HERMANN has a total of 37 patent applications. Its first patent ever was published in 1952. It filed its patents most often in France, Germany and Belgium. Its main competitors in its focus markets macromolecular chemistry and polymers, basic materials chemistry and surface technology and coating are SIGMAKALON B V, KANSAI PAINT CO LTD and PHICHEM CORP.

Patent filings in countries

World map showing WIEDERHOLD HERMANNs patent filings in countries
# Country Total Patents
#1 France 13
#2 Germany 11
#3 Belgium 5
#4 United Kingdom 5
#5 Canada 1
#6 Italy 1
#7 United States 1

Patent filings per year

Chart showing WIEDERHOLD HERMANNs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ludwig Baulmann Wilhelm 2
#2 Stoof Gerhard 2
#3 Blau Hans 2
#4 Neuhaus Hermann Friedrich 1
#5 Neuhaus Hermann F 1
#6 Sagel Hans Dr-Ing 1
#7 Wiederhold Hermann 1
#8 Ernst Landtau Karl 1
#9 Bleisch Dipl-Chem Gertrud 1
#10 Wiederhold Dr Ellen 1

Latest patents

Publication Filing date Title
GB1353055A Polyamide composition for use as a solder substitute
FR2112761A5 Unsaturated polyester coatings for wood
FR2068352A5 Plastic bag mfe
GB1317621A Polyamide composition
DE1956583A1 Accelerated drying of polyester based - paints
DE1931724A1 Drying and hardening lacquer coatings
GB1244489A Improvements in or relating to transmission conductors
DE1224055B Broadband anechoic sound absorber for liquid and solid-state sound made of plastic with transformed sound velocity and process for its production
CA829647A Covers for tips and filters of tobacco products