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EVANS JOHN W

Overview
  • Total Patents
    45
  • GoodIP Patent Rank
    221,628
  • Filing trend
    ⇩ 100.0%
About

EVANS JOHN W has a total of 45 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1901. It filed its patents most often in United States, Canada and Australia. Its main competitors in its focus markets engines, pumps and turbines, basic materials chemistry and materials and metallurgy are HOLLIS THOMAS J, EVANS COOLING ASS and HART WILLIAM B.

Patent filings per year

Chart showing EVANS JOHN Ws patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Evans John W 41
#2 Light J Thomas 4
#3 Warren Thomas W 2
#4 Pressley Steven J 2
#5 Stansfield Alfred 1
#6 O'Neil Charley 1

Latest patents

Publication Filing date Title
CA2967521A1 Apparatus and method for addition of adh enzyme inhibitors to existing engine cooling systems
US8137579B2 Non-aqueous heat transfer fluid and use thereof
US8394287B2 Non-aqueous heat transfer fluid and use thereof
US5353751A Engine cooling system and radiator therefor
US5317994A Engine cooling system and thermostat therefor
US5255636A Aqueous reverse-flow engine cooling system
US5014820A Engine prelubricator and pressurized lubricant reservoir
US5031579A Cooling system for internal combustion engines
CN1004502B Process and apparatus for cooling internal combustion engines
US4513704A Pressurized lubrication assembly for machinery having a flow restrictor device
US4513705A Pressurized lubrication assembly for the center bearing of a turbocharger
US4094293A Engine preoiler and lubricant reservoir
US1525927A Supporting apparatus
US1362859A Sound-box raising and lowering attachment for phonographs
US1438432A Pitch square
CA143378A Umbrella
US1030118A Gas-burner.
CA140088A Indicator for dining room and kitchen
US1014427A Bottle-stopper.
US1014426A Display-rack.