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LONGWOOD ENG CO LTD

Overview
  • Total Patents
    18
About

LONGWOOD ENG CO LTD has a total of 18 patent applications. Its first patent ever was published in 1971. It filed its patents most often in United Kingdom, Japan and South Africa. Its main competitors in its focus markets chemical engineering, civil engineering and machine tools are ITO KYOJI, CONTRA SHEAR HOLDINGS and NORITAKE IRON WORKS.

Patent filings in countries

World map showing LONGWOOD ENG CO LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 15
#2 Japan 1
#3 South Africa 1
#4 Zambia 1

Patent filings per year

Chart showing LONGWOOD ENG CO LTDs patent filings per year from 1900 to 2020

Focus technologies

Top inventors

# Name Total Patents
#1 Edowaado Seodoru Buroodobento 1
#2 Broadbent E 1
#3 Haigh Malcolm 1

Latest patents

Publication Filing date Title
GB9921612D0 Weir screen
GB9911655D0 Screening apparatus
GB9223019D0 Improvements relating to lifting devices
GB8519916D0 Solid/liquid separators
GB8502673D0 Rake bar screens
GB8331835D0 De-watering of macerated screenings
GB1598130A Apparatus for clearing screens
GB1598103A Apparatus for clearing screens such as storm water overflow screens
GB1596296A Apparatus for de-watering slurries
GB1525871A Scraper device for the rakes or the like of mechanically cleaned screens and a screen embodying such a scraper
GB1456669A Apparatus for de-watering slurries
GB1373342A Screening apparatus for liquids
GB1343279A Mechanical screens for liquids
GB1341196A Grid screens for screening liquids