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KAPELLA LTD

Overview
  • Total Patents
    235
About

KAPELLA LTD has a total of 235 patent applications. Its first patent ever was published in 1921. It filed its patents most often in United Kingdom, United States and Canada. Its main competitors in its focus markets optics, measurement and machine tools are MACHIDA OPTO GIKEN, PLX INC and JENNER DOLAN INC.

Patent filings in countries

World map showing KAPELLA LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 96
#2 United States 52
#3 Canada 39
#4 Switzerland 22
#5 France 13
#6 Germany 12
#7 Austria 1

Patent filings per year

Chart showing KAPELLA LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Edmund Reason Richard 24
#2 Kapella Limited 16
#3 Reason Richard Edmund 15
#4 Cooke Ernest Albert 10
#5 William Lee Horace 9
#6 Arthur Warmisham 8
#7 Reason Richard E 7
#8 Albert Cooke Ernest 5
#9 Warmisham Arthur 4
#10 Clifford Thomas William 4

Latest patents

Publication Filing date Title
US2821104A Optical testing apparatus for measuring deviation of points from a plane
DE1032940B Measuring telescope
DE924846C Precision spindle or shaft bearings
US2741517A Spindle mountings
US2724987A Optical measuring or testing apparatus
US2741153A Optical projection systems
DE1037773B Precision spindle bearing
US2701170A Spindle mounting
DE942505C Adjustment device for metal strip rolling mills, which consist of two rollers
GB621086A Improvements in or relating to copying machines
GB638138A Improvements in or relating to electromagnetic detector devices for use in measuringapparatus
GB609856A Improvements in or relating to photoelectric pick-ups or scanning devices for copying machines
GB621126A Improvements in or relating to machine spindles
GB622544A Improvements in or relating to thrust bearings
GB612619A Improvements in or relating to recording apparatus
GB597009A Improvements in or relating to electrical measuring apparatus
GB596096A Improvements in or relating to optical scale-reading apparatus
GB595204A Improvements in or relating to copying machines
GB588986A Improvements in or relating to apparatus for adjusting a slide, carriage or the likeover a supporting table or base
GB588963A Improvements in or relating to bearing devices