Inventor

James H. Yager

Inventor
St. Charles, IL, US

Overview

22→
Patents
1992–2021
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 22 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

F02Mprimary
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof28%
Y02TClimate change mitigation technologies related to transportation16%
F02BInternal-combustion piston engines15%
F02DControlling combustion engines13%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general8%
F01LCyclically operating valves for machines or engines7%
F16LPipes7%
F02FCylinders, pistons or casings, for combustion engines2%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges2%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%
PatentTitleYear
11,028,791Method and system for matching air flow in an exhaust gas recirculation system202110,844,813Method and systems for exhaust gas control202010,612,433Camless engine design202010,550,777Method and system for matching air flow in an exhaust gas recirculation system202010,253,731Method and systems for exhaust gas control201910,094,324System and method of operating an internal combustion engine20189,856,841'Fuel injector'20189,695,723'Combustion system including a piston crown and fuel injector'20178,763,381'System, method, and device for locomotive exhaust gas recirculation cooling and catalyst heating'20148,261,542'System, method, and device for locomotive exhaust gas recirculation cooling and catalyst heating'20128,251,033'System and method for varying a duration of a closing phase of an intake valve of an engine'20128,141,359'System and method for locomotive exhaust gas recirculation cooling and catalyst heating'20126,978,747'Hydraulic actuator cartridge for a valve'20056,948,585'Acoustic wave attenuator for a rail'20056,905,002'Acoustic wave attenuator for a rail'20056,845,758'Fuel injector retainer assembly'20056,742,504'Pressure wave attenuator for a rail'20046,539,909'Retractable seat valve and method for selective gas flow control in a combustion chamber'20036,467,457'Injector actuating fluid check and methods'20026,408,829'Fuel pressure delay cylinder'20026,374,806'Actuating fluid delivery system for a fuel injector'20025,165,831'Capscrew head markings for torque-angle tightening'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992Based in Greensburg, IN, US· patent location history
2002–2005Patents assigned to INT ENGINE INTELLECTUAL PROP (8)· patent assignee history
2002–2005Based in St. Charles, IL, US· patent location history
2012–2019Patents assigned to GEN ELECTRIC (7)· patent assignee history
2012–2020Patents assigned to YAGER JAMES HENRY (5)· patent assignee history
2012–2014Based in North East, PA, US· patent location history
2017–2020Based in Northville, MI, US· patent location history
2018Patents assigned to AVL POWERTRAIN ENGINEERING INC (1)· patent assignee history
2020–2021Patents assigned to TRANSP IP HOLDINGS LLC (3)· patent assignee history
2020–2021Based in Lawrence Park, PA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
INT ENGINE INTELLECTUAL PROP82002–2005
GEN ELECTRIC72012–2019
YAGER JAMES HENRYself52012–2020
TRANSP IP HOLDINGS LLC32020–2021
AVL POWERTRAIN ENGINEERING INC12018
Locations
LocationPatentsSpan
St. Charles, Illinois, US92002–2005
Northville, MI, US62017–2020
North East, Pennsylvania, US42012–2014
Lawrence Park, Pennsylvania, US22020–2021
Greensburg, IN, US11992