Inventor
Walter D. Vann
Inventor
Marlton, NJ, US
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C10Gprimary
C10GCracking hydrocarbon oils20%
C10MLubricating compositions13%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions13%
G01NInvestigating or analysing materials by determining their chemical or physical properties13%
B01DSeparation7%
C01BNon-metallic elements7%
C01DCompounds of alkali metals, i.e. lithium, sodium, potassium, rubidium, caesium, or francium7%
C01FCompounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals7%
C07CAcyclic or carbocyclic compounds3%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds3%
PatentTitleYear
10,942,161Electrostatic varnish and precursor detection in lubricants20218,894,845'Alkali metal hydroprocessing of heavy oils with enhanced removal of coke products'20148,778,173'Process for producing a high stability desulfurized heavy oils stream'20148,696,890'Desulfurization process using alkali metal reagent'20148,673,132'Heavy oil conversion process with in-situ potassium sulfide generation'20148,613,852'Process for producing a high stability desulfurized heavy oils stream'20138,404,106'Regeneration of alkali metal reagent'20138,399,390'HVI-PAO in industrial lubricant and grease compositions'20137,176,168'Lubricant containing a synergistic combination of rust inhibitors, antiwear agents, and a phenothiazine antioxidant'20077,172,903'Method for on-line monitoring of lubricating oil using light in the visible and near IR spectra'20077,109,729'Method for analysis of a working fluid using impedance spectroscopy'20066,876,193'Method for deconvolution of impedance spectra'20056,872,692'Synthetic hydrocarbon fluid'2005Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2005–2021Patents assigned to EXXONMOBIL RES & ENG CO (12)· patent assignee history
2005–2007Based in Marlton, NJ, US· patent location history
2013–2014Patents assigned to LETA DANIEL P (5)· patent assignee history
2013–2014Patents assigned to VANN WALTER D (5)· patent assignee history
2013–2014Patents assigned to BAIRD JR WILLIAM C (3)· patent assignee history
2013–2014Patents assigned to BEARDEN JR ROBY (3)· patent assignee history
2013–2014Based in Glen Mills, PA, US· patent location history
2014Based in Nazareth, PA, US· patent location history
2014Based in Glenn Mills, PA, US· patent location history
2021Based in Green Castle, PA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EXXONMOBIL RES & ENG CO | 12 | 2005–2021 |
| LETA DANIEL P | 5 | 2013–2014 |
| VANN WALTER Dself | 5 | 2013–2014 |
| BAIRD JR WILLIAM C | 3 | 2013–2014 |
| BEARDEN JR ROBY | 3 | 2013–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Marlton, New Jersey, US | 5 | 2005–2007 |
| Glen Mills, Pennsylvania, US | 3 | 2013–2014 |
| Nazareth, Pennsylvania, US | 2 | 2014 |
| Green Castle, Pennsylvania, US | 1 | 2021 |
| Glenn Mills, Pennsylvania, US | 1 | 2014 |