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CAMPBELL KEIR C

Overview
  • Total Patents
    36
About

CAMPBELL KEIR C has a total of 36 patent applications. Its first patent ever was published in 1989. It filed its patents most often in United Kingdom and Canada. Its main competitors in its focus markets environmental technology are CHONGQING WENLI MACHINERY CO LTD, FUJIAN XIYUAN PAPER INDUSTRY CO LTD and SU HAOHONG.

Patent filings in countries

World map showing CAMPBELL KEIR Cs patent filings in countries
# Country Total Patents
#1 United Kingdom 35
#2 Canada 1

Patent filings per year

Chart showing CAMPBELL KEIR Cs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Environmental technology

Focus technologies

# Technology
#1 Climate change mitigation in wastewater treatment

Top inventors

# Name Total Patents
#1 Campbell Keir C 1

Latest patents

Publication Filing date Title
GB0314146D0 Oxidation ditch aeration
GB0314142D0 Channel gas diffuser system
GB0313072D0 Aerator sump
GB0310532D0 Tube aeration device
GB0310535D0 Endless channel aerator
GB0310533D0 Channel gas diffuser system
GB0310530D0 Gas transfer device for liquids
GB0128467D0 Endless channel aerator
GB0128466D0 Tube aeration device
GB0128468D0 Channel gas diffuser system
GB0128465D0 Gas transfer device for liquids
GB0120139D0 Tube aeration device
GB0114984D0 Channel gas diffuser system
GB0114985D0 Endless channel aerator
GB0114983D0 Gas transfer device for liquids
GB0027389D0 Gas tranfer device
GB0027379D0 Channel gas diffuser system
GB0027378D0 Endless channel aerator
GB0027039D0 Channel gas diffuser system
GB0027040D0 Endless channel aerator