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WYCKOFF CHARLES W

Overview
  • Total Patents
    16
About

WYCKOFF CHARLES W has a total of 16 patent applications. Its first patent ever was published in 1939. It filed its patents most often in United States, Australia and Canada. Its main competitors in its focus markets civil engineering and optics are IND RUBBER PLC, PAC TEC INC and HIRANO YOSHITSUGU.

Patent filings in countries

World map showing WYCKOFF CHARLES Ws patent filings in countries
# Country Total Patents
#1 United States 6
#2 Australia 2
#3 Canada 2
#4 Sweden 2
#5 United Kingdom 1
#6 Hong Kong 1
#7 Italy 1
#8 Singapore 1

Patent filings per year

Chart showing WYCKOFF CHARLES Ws patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering
#2 Optics

Top inventors

# Name Total Patents
#1 Wyckoff Charles W 13
#2 Wyckoff C W 1

Latest patents

Publication Filing date Title
US4681401A Sheet material marker surface for roadways and the like
GB8302814D0 Sheet material marker surface for roadways and the like
US4236788A Direction-indicating surface marker strip for roadways and the like
US4040760A Direction-indicating surface marking apparatus for roadways and the like
US4069787A Direction-indicating surface marker and the like
CA1032516A Colored direction indicating retro-reflective road surface marker
US3920346A Apparatus for direction-indicating surface marking and the like
US2270746A Color photography