Inventor
Roy James Primus
Inventor
Niskayuna, NY, US
Overview
Patents· 48 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y02Tprimary
Y02TClimate change mitigation technologies related to transportation27%
F02DControlling combustion engines20%
F02BInternal-combustion piston engines12%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof11%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general7%
B61LGuiding railway traffic3%
F01MLubricating of machines or engines in general3%
B01DSeparation2%
B61CLocomotives2%
F01DNon-positive displacement machines or engines, e.g. steam turbines2%
PatentTitleYear
11,077,871Vehicle control system202111,008,932Engine mixing structures202110,947,917Methods and system for skip-firing of an engine202110,900,373Method and systems for an energy recovery and energy converting unit for an engine202110,837,401Piston crown for a combustion system and an associated method thereof202010,774,771Engine control system for reducing particulate matter202010,683,796Systems and methods for reduced oil carryover202010,570,835Substitution rate control system for an engine and an associated method thereof202010,557,430Oil carryover reduction system202010,337,347Method and systems for an energy recovery and energy converting unit for an engine201910,294,846Systems for vehicle particulate filter regeneration201910,190,509System and method for controlling a dual fuel engine201910,183,683Vehicle control system201910,119,460Integrated turboshaft engine201810,094,324System and method of operating an internal combustion engine201810,018,130Fuel injector wear compensation methodology by altering injection schedule20189,964,056System and method for controlling exhaust emissions and specific fuel consumption of an engine20189,903,284'Dual-fuel engine system and method having the same'20189,863,342'System and method for controlling an engine air-fuel ratio'20189,695,723'Combustion system including a piston crown and fuel injector'20179,266,542'System and method for optimized fuel efficiency and emission output of a diesel powered system'20169,157,352'Methods and systems for an engine'20159,140,179'System and method for controlling exhaust emissions and specific fuel consumption of an engine'20158,903,631'Methods and systems for exhaust gas recirculation cooler regeneration'20148,903,632'Methods and systems for exhaust gas recirculation cooler regeneration'20148,857,156'Engine utilizing a plurality of control valves, and a related method thereof'20148,794,212'Engine and method of operating engine'20148,527,183'System and method for controlling the fuel injection event in an internal combustion engine'20138,494,696'System, method, and computer software code for improved fuel efficiency emission output, and mission performance of a powered system'20138,468,809'System and method for removing particulate matter from a diesel particulate filter'20138,375,714'System and method for operating a turbocharged engine'20138,266,891'Method and system for emission control of a compression ignition locomotive engine'20128,240,138'System and method for reducing particulate matter emission in diesel exhaust gas'20128,103,429'System and method for operating a compression-ignition engine'20127,992,389'Method and apparatus for actively turbocharging an engine'20117,925,431'System and method for removing particulate matter from a diesel particulate filter'20117,885,754'Fuel injection system and method of operating the same for an engine'20117,879,295'Conversion system for reducing NOx emissions'20117,721,532'Method and system for regeneration of a catalyst'20107,630,823'System and method for controlling the fuel injection event in an internal combustion engine'20097,487,631'System and method for supplying reductants to an emission treatment system'20097,470,874'System for radiation-based reduction of particulate matter'20087,431,012'Diesel combustion system with re-entrant piston bowl'20087,360,522'System and method for operating a turbo-charged engine'20087,296,555'System and method for operating a turbo-charged engine'20077,137,253'Method and apparatus for actively turbocharging an engine'20064,324,213'Lubrication fluid filtering and cooling assembly'19824,244,330'Engine cylinder liner having a mid stop'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–1982Based in Columbus, IN, US· patent location history
2006–2021Patents assigned to GEN ELECTRIC (42)· patent assignee history
2006–2021Based in Niskayuna, NY, US· patent location history
2012–2016Patents assigned to PRIMUS ROY (8)· patent assignee history
2012–2014Patents assigned to PRIMUS ROY JAMES (5)· patent assignee history
2019–2021Patents assigned to GE GLOBAL SOURCING LLC (7)· patent assignee history
2020–2021Patents assigned to TRANSP IP HOLDINGS LLC (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEN ELECTRIC | 42 | 2006–2021 |
| PRIMUS ROYself | 8 | 2012–2016 |
| GE GLOBAL SOURCING LLC | 7 | 2019–2021 |
| PRIMUS ROY JAMESself | 5 | 2012–2014 |
| TRANSP IP HOLDINGS LLC | 4 | 2020–2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Niskayuna, New York, US | 46 | 2006–2021 |
| Columbus, IN, US | 2 | 1981–1982 |