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SPERRY RAND CORP

Overview
  • Total Patents
    12,903
About

SPERRY RAND CORP has a total of 12,903 patent applications. Its first patent ever was published in 1937. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets computer technology, agriculture and measurement are SPERRY CORP, GEN PRECISION SYSTEMS INC and BURROUGHS CORP.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Mccarty Horace G 94
#2 Nolt Edwin B 84
#3 Bonn Theodore H 69
#4 Eckert Jr John Presper 69
#5 Hollyday James H 62
#6 Blanshine Allison W 61
#7 Tolmie Robert J 54
#8 Halls Lawrence M 51
#9 Locke David R 51
#10 Mcduffie James W 47

Latest patents

Publication Filing date Title
JPS60254935A Method and device for analog multiplexing
JPS6096927A Resolution increasing device for integrated circuit digital/analog converter
JPS59169042A Filter for cathode ray tube disiplay unit and method of producing same and method of mounting on display screen
JPS59120976A Multi-beam lens converting device with collimating device for sonar device
JPS59105608A Rotary joiner for optical fiber
JPS58105500A Trouble detection system and method for memory driving circuit
JPS5892034A Apparatus for inspecting proper action of data compression and expansion system
JPS57188165A Superstabilized frequency modulator
JPS57191198A Detecting and alarming device for window shear
JPS57164600A Printed circuit board
JPS58125122A Restarter for high speed processor
JPS57130066A Method of and apparatus for charging photoconductor
JPS5730002A Device and method for generating variable speed cycle time for synchronizing machine
JPS5882337A High speed data base searching system
JPS56153499A Period/count converter with controllable conversion time
JPS57172455A Allocation data transfer controller for parallel processor-architecture
CA1098975A Dual channel signal detector circuit
JPS55156915A Liquid crystal switching matrix
JPS5578317A Programmable power down
JPS5564656A Random access flexible disk memory