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HARDWARE DESIGNERS INC

Overview
  • Total Patents
    14
About

HARDWARE DESIGNERS INC has a total of 14 patent applications. Its first patent ever was published in 1955. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets furniture and games and mechanical elements are KUMEPA PATENT GMBH ETS, GS SCAFFALATURE ENGINEERING SP and NAOS SRL.

Patent filings in countries

World map showing HARDWARE DESIGNERS INCs patent filings in countries
# Country Total Patents
#1 United States 9
#2 Canada 4
#3 United Kingdom 1

Patent filings per year

Chart showing HARDWARE DESIGNERS INCs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

# Technology
#1 Office furniture
#2 Shafts

Top inventors

# Name Total Patents
#1 Leiper Fred B 4
#2 Fielding Brian S 3
#3 Stein Robert R 3
#4 Stein Robert 2
#5 Blasnik William 1
#6 Frank Hillson 1
#7 Leiper Fred S 1

Latest patents

Publication Filing date Title
US4480878A Clearance adjustable drawer slide assembly
US4447095A Self-leveling drawer slide
US4441772A Separable bottom mounted drawer slide
US4441773A Bottom mounted drawer slide assembly
US4295688A Bearing construction
GB1562352A Front removable drawer slide
US3995927A Front release drawer slide
US3912341A Progressive drawer slide
US2785939A Drawer guide