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HOWORTH AIR ENG LTD

Overview
  • Total Patents
    92
About

HOWORTH AIR ENG LTD has a total of 92 patent applications. Its first patent ever was published in 1974. It filed its patents most often in United Kingdom, United States and Switzerland. Its main competitors in its focus markets medical technology, furniture and games and chemical engineering are DUVLIS ZINON, KIM ROG KON and WILLOT HENRI.

Patent filings per year

Chart showing HOWORTH AIR ENG LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Howorth Frederick Hugh 37
#2 Howorth Frederick H 10
#3 Howorth F H 4
#4 Hornby Leonard 3
#5 Wagstaff Malcolm 3
#6 Hatch David John 2
#7 Furederitsuku Hafu Hawaasu 2
#8 Howorth F 2
#9 Howorth Hugh Frederick 1
#10 Hatch David J 1

Latest patents

Publication Filing date Title
MY8800150A Clean air zone
GB8602807D0 Body exhaust gown arrangement
GB8407992D0 Air conditioning system
GB8333836D0 Body exhaust gown
GB8329015D0 Air supply duct
GB8323085D0 Safety cabinet
GB8305173D0 Air supply duct
GB8303677D0 Outlet device for an air conditioning system
GB2117233A Autopsy table
EP0079122A1 Sterile air trolley
GB2108846A Sterile air trolley
GB2112129A Fume cupboard
GB2112927A Air conditioned safety cabinet
GB2105971A Body exhaust gown arrangement
GB2106240A Air-conditioned workstation
GB2070940A Anaesthetic gas scavenging device
CA1116221A Workstation
DE2841437A1 Oil-laden air cleaning process - adds cold oil-free air to condense oil into droplets for separation
GB1579018A Gas scavenging system
US4137831A Clean air zone