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ILFORD LTD

Overview
  • Total Patents
    1,945
About

ILFORD LTD has a total of 1,945 patent applications. Its first patent ever was published in 1905. It filed its patents most often in United Kingdom, United States and France. Its main competitors in its focus markets optics, basic materials chemistry and organic fine chemistry are PERUTZ PHOTOWERKE G M B H, DU PONT FILM MFG CORP and PHOTO PRODUITS GEVAERT S A.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Kendall John David 133
#2 Fry Douglas James 122
#3 David Kendall John 102
#4 Ficken Geoffrey Ernest 63
#5 Duffin George Frank 61
#6 James Fry Douglas 47
#7 Neale Denis Manktelow 42
#8 Wood Henry Walter 23
#9 Lea Bernard Alan 23
#10 Greenhalgh Colin William 22

Latest patents

Publication Filing date Title
GB9716417D0 Stop-baths for photographic processing
GB9715060D0 Coating apparatus
GB9707439D0 Apparatus for transferring shear sensitive liquid
GB9618213D0 Aqueous inks for ink jet printers
GB9618214D0 Variable contrast photographic material
GB9524702D0 Production of black and white print material
GB9516120D0 Variable contrast photographic material
GB9514295D0 Photographic developers
GB9509757D0 Toning of photographic print material
GB9500624D0 Method of processing photographic silver halide material
GB9417303D0 Photographic silver halide developing solution
GB9412558D0 Concentrated photographic developing solution
GB9412510D0 Photographic silver halide deveolping solutions
GB9412559D0 Toning of photographic print material
GB9406629D0 Photographic silver halide material
GB9406153D0 Photographic variable contrast material
GB9324414D0 Supporting reels for unwinding.
GB9324413D0 Temperature control in photographic materials
GB9324395D0 Improved dryng in photographic processing apparatus
GB9324412D0 Photographic processing apparatus