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BRICKHOUSE DUDLEY MFG

Overview
  • Total Patents
    19
About

BRICKHOUSE DUDLEY MFG has a total of 19 patent applications. Its first patent ever was published in 1981. It filed its patents most often in United Kingdom, EPO (European Patent Office) and France. Its main competitors in its focus markets civil engineering, environmental technology and materials and metallurgy are HELMS WILLIAM R, BEIJING ZHONGTAIYUNDA TECH DEVELOPMENT CO LTD and CHOE SEUNG SEON.

Patent filings in countries

World map showing BRICKHOUSE DUDLEY MFGs patent filings in countries
# Country Total Patents
#1 United Kingdom 16
#2 EPO (European Patent Office) 2
#3 France 1

Patent filings per year

Chart showing BRICKHOUSE DUDLEY MFGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Elmer Anthony Charles 6
#2 Sains Dennis William 5
#3 Robins Ivan Lee 3
#4 Humphries Derek 2
#5 Robinson Gerald 1
#6 Watkins John James 1
#7 Bolton W L 1
#8 Milsom Lionel Townsend 1
#9 Thompson Keith Stanley 1

Latest patents

Publication Filing date Title
GB8717773D0 Key for a locking member
GB8630673D0 Cover and frame assembly
GB8617696D0 Manhole cover and frame assembly
GB8613413D0 Lockable access cover
GB8608132D0 Improvements in or relating to grating and frame assemblies
GB8329166D0 Valve housing
GB8305920D0 Road surface access covers and gratings
GB8305919D0 Roadside gully boxes
GB8300241D0 Manhole cover or grating and frame assemblies
GB2124683A Manhole cover and frame assemblies
GB2103973A A metal pouring vessel melt supply system
GB2096216A Cover and frame assembly
GB2116611A Manhole frame and cover assembly
EP0057097A1 Improvements in or relating to cover and frame assemblies
GB2092649A Manhole covers
GB2112434A Manhole cover or grating and frame assemblies
GB2088446A Manhole covers