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FENNER DAVID F

Overview
  • Total Patents
    29
About

FENNER DAVID F has a total of 29 patent applications. Its first patent ever was published in 1987. It filed its patents most often in United Kingdom and United States. Its main competitors in its focus markets computer technology, measurement and furniture and games are SHANGHAI FLYDIGI ELECTRONICS TECH CO LTD, SHANGHAI MIHOYO NETWORK TECH CO LTD and SHANGHAI MIHAYOU TIANMING TECH CO LTD.

Patent filings in countries

World map showing FENNER DAVID Fs patent filings in countries
# Country Total Patents
#1 United Kingdom 28
#2 United States 1

Patent filings per year

Chart showing FENNER DAVID Fs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Fenner David F 1
#2 Menown John S 1

Latest patents

Publication Filing date Title
GB0701032D0 PED (Pin entry device), which prevents theft of the pin (personal identification number)
GB0701033D0 Improved universal colour filter
GB0611104D0 Variable colour filter
GB0515441D0 Universal colour filter
GB0121096D0 Method to produce a moving virtual image adjacent a moving vehicle
GB9825578D0 Method to produce a virtual video image adjacent a moving vehicle
GB9710984D0 Optical remote movement sensing system
GB9613269D0 Remote position sensing system
GB9610854D0 Remote position sensing system
GB9610835D0 Optical remote movement sensing system
GB9607468D0 Detector of deposits on a transparent screen
GB9606088D0 Digital pointing system
GB9513486D0 Self aligning television turntable
GB9512681D0 Remote position sensing system
GB9510517D0 Optical remote movement sensing system
GB9510518D0 Remote position sensing system
GB9505731D0 Automatic direction seeking turntable
GB9419423D0 Automatic direction seeking turntable
GB9411483D0 Optical remote movement sensing system
GB9326632D0 Methods for the determination of the locations of and the orientation of several bodies within a volume