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WESTERN LITHO PLATE & SUPPLY

Overview
  • Total Patents
    49
About

WESTERN LITHO PLATE & SUPPLY has a total of 49 patent applications. Its first patent ever was published in 1968. It filed its patents most often in United States, Canada and EPO (European Patent Office). Its main competitors in its focus markets optics, macromolecular chemistry and polymers and machine tools are BOEDICKER HERMAN C, HERMANN HAUSLEITER F and PROCEDES BASSANI.

Patent filings per year

Chart showing WESTERN LITHO PLATE & SUPPLYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Powers John W 16
#2 Parker Edward H 13
#3 Choate Daniel G 8
#4 Mcmasters Kelly T 7
#5 Copeland Harry J 6
#6 Meador Jim D 6
#7 Harrell Robert E 5
#8 Harrell R 4
#9 Harris Edward M 4
#10 Parker E 3

Latest patents

Publication Filing date Title
US2003118944A1 Post exposure method for enhancing durability of negative working lithographic plates
US5934195A Apparatus for and method of exposing lithographic plates
US5892574A Plate exposing apparatus and method
US5786127A Photosensitive element having an overcoat which increases photo-speed and is substantially impermeable to oxygen
US5701170A System for automatically exposing and labeling a plurality of lithographic plates
US5684571A Apparatus for and method of exposing photosensitized plates
CA2147388A1 Method for manufacturing superior ink-water balance and alkaline resistant ps plates
US5502993A Method of and apparatus for punching and bending a lithographic plate
US5542002A Method and apparatus for automatically inspecting a lithographic plate and reading its folio
US5369468A Photographic printing apparatus and method
US5454247A Method of and apparatus for punching and bending a lithographic plate
US5347341A Photographic printing apparatus
US5193690A Method of and apparatus for automatically inspecting an exposed and bent lithographic plate
CA2055451A1 Apparatus for making color proof laminations
US4752283A Waste water cleaning system for use with apparatus for processing exposed lithographic plates
US4575233A Photographic printing
US4575235A Photographic printing apparatus and methods
US4614425A Photographic printing method and apparatus
US4423955A Photographic printing apparatus
US4353647A Apparatus for exposing and conveying photosensitive plates