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CHEMFIL CORP

Overview
  • Total Patents
    24
About

CHEMFIL CORP has a total of 24 patent applications. Its first patent ever was published in 1980. It filed its patents most often in United States, Australia and EPO (European Patent Office). Its main competitors in its focus markets surface technology and coating, basic materials chemistry and machines are SHENZHEN YINGHENG TECH CO LTD, ANHUI SANFANG NEW MATERIAL TECHNOLOGY CO LTD and HEFEI HUAQING METAL SURFACE TREAT CO LTD.

Patent filings per year

Chart showing CHEMFIL CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Charles Harry R 15
#2 Miles Donald L 11
#3 Cape Thomas W 6
#4 Charles Harry Randolph 5
#5 Cape Thomas Wilson 5
#6 Miles Donald Lee 4
#7 Miles Dean L 2
#8 Tisko Edmund L 2
#9 Brown William B 2
#10 Miles D 1

Latest patents

Publication Filing date Title
US5223141A Method for removing and recovering paint overspray in a water wash spray booth
US5238506A Phosphate coating composition and method of applying a zinc-nickel-manganese phosphate coating
US4941930A Phosphate coating composition and method of applying a zinc-nickel phosphate coating
AU7886687A Phosphate coating composition and method of applying a zinc-nickel phosphate coating
US4828615A Process and composition for sealing a conversion coated surface with a solution containing vanadium
US4793867A Phosphate coating composition and method of applying a zinc-nickel phosphate coating
US4748049A Clear paint booth coating composition and method
US4699730A Magnesium sulfate and complex silicate mineral paint denaturant
ZA8202122B Phosphate coating process and composition
US4330345A Phosphate coating process and composition