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TECHNICAL OPERATIONS INC

Overview
  • Total Patents
    232
About

TECHNICAL OPERATIONS INC has a total of 232 patent applications. Its first patent ever was published in 1954. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets optics, machines and engines, pumps and turbines are PERCY DOUGLAS BREWSTER, TECHNICOLOR MOTION PICTURE and FR DE CINEMATOGRAPHIE ET DE PH.

Patent filings per year

Chart showing TECHNICAL OPERATIONS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Goldberg Gershon M 19
#2 Prest Robert J 16
#3 Mueller Peter F 13
#4 Parrent George B Jr 11
#5 Buck Willard E 10
#6 Pack John G 10
#7 Luvalle James E 7
#8 Wilferth Robert A 7
#9 Lu Valle James E 6
#10 Heckscher Helmut 6

Latest patents

Publication Filing date Title
JPS5817400A Separable connector means
US4281252A Coupling apparatus for portable radiography systems
US4225790A Storage reel assembly
US4211928A Linear storage projector
US4163154A Neutron personnel dosimeter
US4003634A Optical control assembly for a color design viewer
US3945731A Color control system for optical image apparatus
US3884553A Optical display system with improved spectral efficiency
US3947105A Production of colored designs
US3820878A Spectral zonal information storage and retrieval
US3770340A Coherent optical system with expanded bandwidth and noise suppression
US3802784A Microdensitometer having linear response
US3690529A Cable drive assembly
US3719127A Spectral zonal information storage and retrieval
US3652854A Card-format personnel dosimeter
US3677629A Intermittent film pressure mechanism for cinematographic cameras
US3656841A Cinematographic camera with quick-convert color-encoding filter
US3624278A Area multiplex image recording by flying spot raster scanning employing spatial filtering
US3698514A Cooling and lubrication for high speed rotating systems
GB1216968A Intermittent film contact pressure apparatus for cinematographic cameras