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SPERRY RAND CANADA

Overview
  • Total Patents
    25
About

SPERRY RAND CANADA has a total of 25 patent applications. Its first patent ever was published in 1965. It filed its patents most often in Canada, United Kingdom and United States. Its main competitors in its focus markets measurement, control and basic communication technologies are YAMAZAKI MACH WORKS, SOLIDCAM LTD and LACENT TECHNOLOGIES INC.

Patent filings in countries

World map showing SPERRY RAND CANADAs patent filings in countries
# Country Total Patents
#1 Canada 6
#2 United Kingdom 6
#3 United States 5
#4 Germany 4
#5 France 3
#6 Switzerland 1

Patent filings per year

Chart showing SPERRY RAND CANADAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Paul John J 4
#2 James Paul John 2
#3 Pallay Louis 2
#4 Paul John James 2
#5 Harris John E 2
#6 Bouchard Joseph A 2
#7 Dorey John David 1
#8 Watt Gordon James 1
#9 Mactaggart Donald J 1
#10 Gordon James Watt 1

Latest patents

Publication Filing date Title
CA982256A Numerical control system
CA906067A Crystal controlled electric clock
US3550503A Machine tool work loading and unloading apparatus
CA864689A Time-shared bidirectional pulse counter
CA864686A Dual speed gated counter
GB1215822A Machine tool apparatus
US3471851A Digital-to-resolver converter apparatus
GB1142194A Digital-to-analogue converter
CA858730A Apparatus for maintaining positional stability between a tool member and a workpiece
CA885719A Machine tool work loading and unloading apparatus