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EDWARDS HIGH VACUUM LTD

Overview
  • Total Patents
    68
About

EDWARDS HIGH VACUUM LTD has a total of 68 patent applications. Its first patent ever was published in 1952. It filed its patents most often in France, United Kingdom and Germany. Its main competitors in its focus markets engines, pumps and turbines, surface technology and coating and electrical machinery and energy are SPUTTERED FILMS INC, SHINCRON CO LTD and HOCHVAKUUM DRESDEN VEB.

Patent filings in countries

World map showing EDWARDS HIGH VACUUM LTDs patent filings in countries
# Country Total Patents
#1 France 18
#2 United Kingdom 18
#3 Germany 15
#4 United States 14
#5 Canada 2
#6 Austria 1

Patent filings per year

Chart showing EDWARDS HIGH VACUUM LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Power Basil Dixon 15
#2 Holland Leslie Arthur 10
#3 Power Basil D 5
#4 Dixon Power Basil 5
#5 Arthur Holland Leslie 3
#6 Runki Alfred Aristides 2
#7 Barrett Arthur S D 2
#8 Siddall George 2
#9 Laurenson Laurence 2
#10 Barker Dennis Walter 2

Latest patents

Publication Filing date Title
US3229516A Radiometer force measuring apparatus
GB1009419A Improvements in or relating to joint sealing gaskets
GB922493A Improvements in or relating to freezedrying of foodstuffs
GB921821A Improvements in or relating to slip couplings
US2985756A Ionic bombardment cleaning apparatus
US2997228A Vapour jet vacuum pumps
GB880800A Improvements in or relating to cathode ray tubes
US3057546A Rotary vacuum pumps
GB902646A Improvements in or relating to vapour jet vacuum pumps
US2934258A Vapour vacuum pumps or other apparatus employing vapour nozzles
US2902525A Apparatus for vaporisation of metals and metalloids
GB875444A Improvements in or relating to rotary vacuum pumps
GB876853A Improvements in or relating to vapour vacuum pumps
US2934257A Vapour vacuum pumps
GB879256A Improvements in or relating to vaporisation of metals
GB815052A Improvements in or relating to vapour vacuum pumps or other apparatus employing vapour nozzles
US2902210A Multi-stage mechanical vacuum pumps
US2902206A Vapour vacuum pumps
GB802495A Improvements in or relating to flexible seals for movable members
GB830392A Improvements in or relating to cathodic sputtering