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PENNZOIL PROD CO

Overview
  • Total Patents
    105
About

PENNZOIL PROD CO has a total of 105 patent applications. Its first patent ever was published in 1986. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and Canada. Its main competitors in its focus markets basic materials chemistry, organic fine chemistry and machines are SHELL DEV, SUN OIL CO PENNSYLVANIA and CALIFORNIA RESEARCH CORP.

Patent filings per year

Chart showing PENNZOIL PROD COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Morrison David S 21
#2 Heilman William J 21
#3 Venier Clifford G 13
#4 Casserly Edward W 12
#5 Wilburn Bruce E 10
#6 Gunsel Selda 7
#7 Johnson Richard L 7
#8 Hendrix Randall R 7
#9 Fang Jiafu 7
#10 Russo Joseph M 6

Latest patents

Publication Filing date Title
US6130190A Liquid crystal and surfactant containing lubricant compositions
WO9729842A1 Solid and semi-solid hydrocarbon gels and uses thereof
US6074994A Non-aqueous solvent-free lamellar liquid crystalline lubricants
CA2217326A1 Novel tire sealer and inflator compositions
US5705175A Non-aqueous controlled release insect repellent and insecticide gels
US5728907A Tetraalkylmethanes as synthetic lubricants
US5618912A Tire sealer and inflator compositions
US5518590A Electrochemical sensors for motor oils and other lubricants
US5412007A Stable petroleum resin-water emulsion
US5436379A Base oil for shear stable multi-viscosity lubricants and lubricants therefrom
US5378249A Biodegradable lubricant
WO9316039A1 Process for production of 4,4'-thiobisphenols
US5308389A Metal appearance composition
US5560853A Dithiocarbamoyl diols and borate esters thereof for use in lubricant compositions
US5180865A Base oil for shear stable multi-viscosity lubricants and lubricants therefrom
US5210351A Preparation of alkylated cyclopentadienes
US5188724A Olefin polymer pour point depressants
US5221534A Health and beauty aid compositions
US5045119A Telephone cable cleaning and restoration fluid
CA2013431A1 Microemulsion engine cleaner and degreaser