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HADLEY PRODUCTS

Overview
  • Total Patents
    15
About

HADLEY PRODUCTS has a total of 15 patent applications. Its first patent ever was published in 1991. It filed its patents most often in United States and Canada. Its main competitors in its focus markets transport, machines and mechanical elements are BARKSDALE INC, TECH KK F and MAN LATIN AMERICA IND E COMERCIO DE VEICULOS LTDA.

Patent filings in countries

World map showing HADLEY PRODUCTSs patent filings in countries
# Country Total Patents
#1 United States 13
#2 Canada 2

Patent filings per year

Chart showing HADLEY PRODUCTSs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Trudeau Curtis A 11
#2 Schafer Gary L 5
#3 Sorum Robert D 5
#4 Winter Dick E 4
#5 Sorum Legal Representative Lor 3
#6 Hanft Karl H 2
#7 Gahan Edward A 2
#8 Sizemore David N 2
#9 Pierce Mark W 2
#10 Shimmell Dennis S 1

Latest patents

Publication Filing date Title
US2010213397A1 Height control valve for vehicle leveling system
US2008036230A1 Exterior rearview mirror with turn signal
US2006012136A1 Sliding axle alarm
US7261304B2 Vehicle leveling system
US6672730B1 Vehicular exterior rearview mirror assembly with actuator
US6832143B2 Drive train vibration control system
US6488383B1 Vehicular exterior rearview mirror assembly with actuator
US6669217B2 Anti-roll suspension valve body
US6516741B1 Leak proof apparatus for mounting components to panels
US5560591A Leveling valve for air springs
US5220982A Dampener