Learn more

ROBERT MCGREGOR & SONS LTD

Overview
  • Total Patents
    21
About

ROBERT MCGREGOR & SONS LTD has a total of 21 patent applications. Its first patent ever was published in 1962. It filed its patents most often in United Kingdom, Belgium and Canada. Its main competitors in its focus markets civil engineering and machine tools are HELTZEL JOHN N, MCLEAN VENTURES CORP and KYUKEN KK.

Patent filings in countries

World map showing ROBERT MCGREGOR & SONS LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 9
#2 Belgium 4
#3 Canada 3
#4 Germany 3
#5 United States 2

Patent filings per year

Chart showing ROBERT MCGREGOR & SONS LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Mcgregor Matthew 7
#2 Burks Albert Edward 4
#3 Edward Burks Albert 2
#4 Burks A 2
#5 Burks Albert E 1
#6 Holloway Robert Geofrey 1
#7 Carter Frederick George 1
#8 Cochrane Kenneth Alfred 1
#9 Mcgregor M 1
#10 Rimmington Alan 1

Latest patents

Publication Filing date Title
CA931000A Concrete paving machines
GB1275980A Improvements in and relating to machines for laying concrete
GB1279118A Improvements in and relating to concrete paving machines
GB1276098A Improvements in or relating to concrete paving machines
GB1166654A Improvements in or relating to Machines for Paving Concrete
GB1105223A Improvements in or relating to reinforcement of concrete paving
GB1143953A Improvements in or relating to the surface treatment of concrete roads and the like
GB1043619A Improvements in or relating to expansion and contraction joints
GB1047895A Improvements in or relating to expansion and contraction joints
GB965363A Improvements in or relating to the construction of contraction joints in concrete pavement and like surfaces