Inventor
William H. Stover
Inventor
Sarnia, CA
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C10Mprimary
C10MLubricating compositions35%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions35%
F02BInternal-combustion piston engines15%
C10LFuels not otherwise provided for12%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds4%
PatentTitleYear
6,525,004'Combustion improving additive for small engine lubricating oils'20035,562,867'Biodegradable two-cycle oil composition'19965,516,444'Synergistic combinations for use in functional fluid compositions'19965,330,667'Two-cycle oil additive'19945,304,315'Prevention of gel formation in two-cycle oils'19945,221,491'Two-cycle oil additive'19935,035,815'Lubricating oil containing a nickel alkoxyalkylxanthate and zinc dialkyldithiophosphate'19914,764,294'Lubricating oil (PNE-500)'19884,182,613'Compatibility additive for fuel oil blends'19804,140,492'Borated derivatives of oil-soluble Mannich bases in combination with coadditive hydrocarbons are flow improvers for middle distillate fuel oils'19794,025,316'Mannich base reaction products useful as liquid hydrocarbon additives'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1991Patents assigned to EXXON RESEARCH ENGINEERING CO (5)· patent assignee history
1977–1980Based in Sombra, CA· patent location history
1988–2003Based in Sarnia, CA· patent location history
1993–1996Patents assigned to EXXON CHEMICAL PATENTS INC (5)· patent assignee history
2003Patents assigned to INFINEUM INTERNAT INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EXXON CHEMICAL PATENTS INC | 5 | 1993–1996 |
| EXXON RESEARCH ENGINEERING CO | 5 | 1977–1991 |
| INFINEUM INTERNAT INC | 1 | 2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sarnia, CA | 8 | 1988–2003 |
| Sombra, CA | 3 | 1977–1980 |