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QUADREX HPS INC

Overview
  • Total Patents
    35
About

QUADREX HPS INC has a total of 35 patent applications. Its first patent ever was published in 1982. It filed its patents most often in United States, United Kingdom and France. Its main competitors in its focus markets chemical engineering, engines, pumps and turbines and medical technology are KATZ J, PROCEDES R AUDUBERT SA DES and KATZ JEROME.

Patent filings in countries

World map showing QUADREX HPS INCs patent filings in countries
# Country Total Patents
#1 United States 10
#2 United Kingdom 7
#3 France 6
#4 Canada 3
#5 Israel 3
#6 Germany 2
#7 Finland 2
#8 Belgium 1
#9 Italy 1

Patent filings per year

Chart showing QUADREX HPS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Fowler David E 29
#2 Fowler David Earl 1
#3 Witt Charles R 1
#4 Mcilvaine Eugene T 1
#5 Capella Joseph A 1
#6 Grant David C H 1

Latest patents

Publication Filing date Title
IL88725D0 Method and apparatus for purifying cleaning solvents
IL88724D0 Process and apparatus for removing toxic agents from a solvent
GB8829468D0 Cleaning solvent purification
US4878931A Two stage vapor recovery system
US4913178A Process and apparatus for removing PCB's from electrical apparatus
US4790337A Apparatus for removing PCB's from electrical apparatus
US4781041A Apparatus for cleaning garments and soft goods contaminated with nuclear, chemical and/or biological contaminants
US4842746A Method of removing toxic agents for trichlorotrifluoroethane
FR2581670A1 Removing fissile, chemical or biological contaminants from fabric
GB8527976D0 Process for removing pcb's from electrical apparatus
DE3531743A1 DETOXIFICATION DEVICE FOR REMOVING RADIOACTIVE, CHEMICAL AND BIOLOGICAL POLLUTIONS
US4797128A Method of and apparatus for cleaning garments and soft goods contaminated with nuclear, chemical and/or biological contaminants
US4685972A Process for removing PCB's from electrical apparatus
US4865061A Decontamination apparatus for chemically and/or radioactively contaminated tools and equipment
US4630625A Tool decontamination apparatus
US4503577A Pipe and hose decontamination apparatus