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MHH ENG CO LTD

Overview
  • Total Patents
    21
About

MHH ENG CO LTD has a total of 21 patent applications. Its first patent ever was published in 1980. It filed its patents most often in United Kingdom, EPO (European Patent Office) and United States. Its main competitors in its focus markets machine tools, mechanical elements and measurement are COOK WALTER HERBERT, TOOLTECH LLC and SPEED TOOLS LTD.

Patent filings in countries

World map showing MHH ENG CO LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 12
#2 EPO (European Patent Office) 8
#3 United States 1

Patent filings per year

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

Focus industries

# Industry
#1 Machine tools
#2 Mechanical elements
#3 Measurement

Top inventors

# Name Total Patents
#1 Bullen Terence Clifford 7
#2 Allen David Geoffrey 4
#3 Bullen Terrence Clifford 1
#4 Letts Robert Arthur 1
#5 Bullen Terence C 1
#6 Allen David G 1
#7 Bullen Terence Clifford Southv 1
#8 Letts Robert A 1

Latest patents

Publication Filing date Title
EP1477278A2 A Clutch Mechanism for a Torque Screwdriver
EP1231026A2 Rotation locking mechanism
EP1175967A2 Torque screwdriver
EP1147858A2 Torque wrenches
GB0103372D0 Rotation Locking Mechanism
EP0671243A1 Torque wrenches
EP0532289A1 A device for applying torque to a fastener
GB9121515D0 Torque transmission mechanism
GB9120434D0 Torque transmission mechanism
GB9119890D0 A device for applying torque to a fastener
GB9119313D0 A device for applying torque to a fastener
EP0393852A1 A torque-indicating screwdriver
GB8909865D0 Torque-indicating wrenches
GB8909169D0 Torque-indicating screwdriver
EP0323166A2 Wrench
GB8814542D0 Wrench
GB8730296D0 Wrench
GB8329739D0 Torque wrenches
GB2062168A Spring testing machines