Inventor
Joseph W. Roos
Inventor
Mechanicsville, VA, US
Overview
Patents· 26 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C10Lprimary
C10LFuels not otherwise provided for20%
B01DSeparation8%
Y02TClimate change mitigation technologies related to transportation8%
C10MLubricating compositions6%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions6%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general5%
F02BInternal-combustion piston engines5%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients4%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof4%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%
PatentTitleYear
11,091,613Microstructure-controlled copolymers of ethylene and C202110,774,708Gasoline particulate filters with high initial filtering efficiency and methods of making same202010,774,722Predictive methods for emissions control systems performance202010,584,297Polyolefin-derived dispersants202010,221,267Microstructure-controlled copolymers of ethylene and C20199,587,190'Fuel composition and method of formulating a fuel composition to reduce real-world driving cycle particulate emissions'20178,603,200'Compositions comprising combustion improvers and methods of use thereof'20138,404,155'Nanoparticle catalyst compounds and/or volatile organometallic compounds and method of using the same for biomass gasification'20138,241,599'Method of using volatile organometallics as biomass gasification catalysts'20128,006,652'Emissions control system for diesel fuel combustion after treatment system'20117,878,160'Surface passivation and to methods for the reduction of fuel thermal degradation deposits'20117,862,628'Mixed metal catalyst additive and method for use in hydrocarbonaceous fuel combustion system'20117,794,512'Supplying tungsten to a combustion system or combustion system exhaust stream containing iron'20107,775,166'Method of using nanoalloy additives to reduce plume opacity, slagging, fouling, corrosion and emissions'20107,743,738'Scavenging phosphorus, sulfur, and lead from combustion exhaust using tungsten compounds and lubricant'20107,553,343'Fuels compositions for direct injection gasoline engines containing manganese compounds'20097,341,447'Delivering manganese from a lubricant source into a fuel combustion system'20087,332,001'Method of enhancing the operation of diesel fuel combustion systems'20087,276,094'Mixed metal catalyst additive and method for use in hydrocarbonaceous fuel combustion system'20076,971,337'Emissions control system for diesel fuel combustion after treatment system'20056,941,743'Lean burn emissions system protectant composition and method'20056,821,932'Delivering molybdenum from a lubricant source into a fuel combustion system'20046,629,407'Lean burn emissions system protectant composition and method'20035,511,517'Reducing exhaust emissions from otto-cycle engines'19965,175,305'Process for preparing N,N\'-bis(tetrabromophthalimide)'19925,076,970'Flame retardant N,N\'-bis(tetrabromophthalimide) composition'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–2005Patents assigned to ETHYL CORP (7)· patent assignee history
1991–1996Based in Baton Rouge, LA, US· patent location history
2003–2021Based in Mechanicsville, VA, US· patent location history
2007–2021Patents assigned to AFTON CHEMICAL CORP (15)· patent assignee history
2009–2011Patents assigned to AFTON CHEMICAL INTANGIBLES LLC (2)· patent assignee history
2009Based in Glen Allen, VA, US· patent location history
2012–2013Patents assigned to ARADI ALLEN (2)· patent assignee history
2012–2013Patents assigned to JAO TZE-CHI (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AFTON CHEMICAL CORP | 15 | 2007–2021 |
| ETHYL CORP | 7 | 1991–2005 |
| AFTON CHEMICAL INTANGIBLES LLC | 2 | 2009–2011 |
| ARADI ALLEN | 2 | 2012–2013 |
| JAO TZE-CHI | 2 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Mechanicsville, Virginia, US | 22 | 2003–2021 |
| Baton Rouge, LA, US | 3 | 1991–1996 |
| Glen Allen, Virginia, US | 1 | 2009 |