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QUESTECH INC

Overview
  • Total Patents
    11
About

QUESTECH INC has a total of 11 patent applications. Its first patent ever was published in 1973. It filed its patents most often in United States, EPO (European Patent Office) and Canada. Its main competitors in its focus markets environmental technology, electrical machinery and energy and materials and metallurgy are RIBOOLE KK, INST FIZ TVERDOGO TELA RAN and FUJIKAWA KENZAI KOGYO KK.

Patent filings in countries

World map showing QUESTECH INCs patent filings in countries
# Country Total Patents
#1 United States 7
#2 EPO (European Patent Office) 3
#3 Canada 1

Patent filings per year

Chart showing QUESTECH INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Palaith David E 5
#2 Libelo E Laurence 4
#3 Taylor Robert T 2
#4 Wilmot Donald W 2
#5 Pyle Wayne E 1
#6 Doucette Robert J 1
#7 Bargenquest Brian M 1
#8 Lyman Jr Harold T 1
#9 Baker Leonard 1
#10 Taylor James E 1

Latest patents

Publication Filing date Title
US5908505A High volume, textured liquid transfer surface
US5661489A Enhanced electronically steerable beam-forming system
US4964591A Projectile having nonelectric infrared heat tracking device
CA1312925C Method and apparatus for the microwave joining of nonoxide ceramic items
US4757172A Method and apparatus for the microwave joining of nonoxide ceramic items
US4767902A Method and apparatus for the microwave joining of ceramic items
US4132113A Navigation devices
US3913202A Apparatus for making electrical wiring harnesses