Learn more

HUNTER DOUGLAS CORP

Overview
  • Total Patents
    44
About

HUNTER DOUGLAS CORP has a total of 44 patent applications. Its first patent ever was published in 1944. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets civil engineering, machines and machine tools are SAINT GOBAIN VITRAGE SUISSE AG, ENSINGER WILFRIED and COMFORTEX CORP.

Patent filings in countries

World map showing HUNTER DOUGLAS CORPs patent filings in countries
# Country Total Patents
#1 United States 24
#2 United Kingdom 6
#3 Canada 5
#4 France 5
#5 Switzerland 2
#6 Germany 2

Patent filings per year

Chart showing HUNTER DOUGLAS CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hunter Joseph L 18
#2 Martin Thomas A 7
#3 Rutledge Melvin C 4
#4 Thomas Martin 4
#5 Douglas Corporation Hunter 2
#6 Hunter Joseph Lemna 2
#7 Hunter Edwin J 2
#8 Brent George F 1
#9 Hunter Charles G 1
#10 George Starrett 1

Latest patents

Publication Filing date Title
US2752649A Feed spout for continuous casting machine
US2721609A Venetian blind tilt rod support
US2664607A Method of continuous casting
GB701351A Improvements in or relating to method and machine for making plastic venetian blind tape
US2646115A Venetian blind
US2620026A Supporting bracket for venetian blind tilt rods
US2667220A Tape roll for venetian blinds
US2698727A Mounting bracket for venetian blinds
GB686085A Improvements in or relating to a continuous casting machine and method
US2714413A Method and apparatus for making plastic venetian blind ladders
US2631343A Continuous casting machine
US2569197A Ejector for slat cutting machines
GB660947A Improvements in or relating to venetian blinds
GB658587A Improvements in or relating to venetian blinds
GB676228A Improvements in or relating to reinforced plastic tapes for venetian blinds
GB658908A Improvements in or relating to method of and apparatus for rolling strip metal
US2625339A Reel for strip material
US2577227A Ladder tape
US2554331A Pulley and cord for venetian blinds
US2588550A Venetian blind ladder