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EVANS DAVID J

Overview
  • Total Patents
    16
About

EVANS DAVID J has a total of 16 patent applications. Its first patent ever was published in 1904. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets biotechnology, textiles and paper and transport are PETISCE JAMES R, EVERIST GENOMICS INC and FIRST AFFILIATED HOSPITAL OF KUNMING MEDICAL UNIVERSITY.

Patent filings in countries

World map showing EVANS DAVID Js patent filings in countries
# Country Total Patents
#1 United States 6
#2 Canada 5
#3 United Kingdom 5

Patent filings per year

Chart showing EVANS DAVID Js patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Evans David J 11
#2 Andresen Herman P 2
#3 Findlay Iii Thomas R 1
#4 Zarbatany David 1
#5 Simmonds Peter 1

Latest patents

Publication Filing date Title
US2014267525A1 Process for coloring gutter designs
GB0219284D0 Telephone line fixing bracket
GB0219270D0 Telephone line fixing bracket
GB9808394D0 Container
GB9512520D0 Container holder
GB9411524D0 Headwear
US1190992A Four-way valve.
US1094545A Grab-bucket hanger.
CA113407A Grab bucket
CA110916A Grab bucket
US788894A Supplemental-seat attachment for bicycles.
CA644356A Electrolytic apparatus
CA524391A Electrolytic apparatus
CA619692A Electrolytic apparatus