Inventor
Yul J. Tarr
Inventor
Columbus, IN, US
Overview
Patents· 26 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 thereof55%
F02DControlling combustion engines20%
Y02TClimate change mitigation technologies related to transportation9%
F02BInternal-combustion piston engines5%
B01DSeparation2%
F01LCyclically operating valves for machines or engines2%
F02FCylinders, pistons or casings, for combustion engines2%
F16KValves2%
Y10TTechnical subjects covered by former us classification2%
PatentTitleYear
6,990,855'System for estimating a quantity of parasitic leakage from a fuel injection system'20066,823,834'System for estimating auxiliary-injected fueling quantities'20046,705,543'Variable pressure fuel injection system with dual flow rate injector'20046,637,776'Fluid manifold connector and fluid manifold assembly'20036,557,776'Fuel injector with injection rate control'20036,550,455'Cyclic pressurization including plural pressurization units interconnected for energy storage and recovery'20036,497,223'Fuel injection pressure control system for an internal combustion engine'20026,405,709'Cyclic pressurization including plural pressurization units interconnected for energy storage and recovery'20026,116,273'Fuel metering check valve arrangement for a time-pressure controlled unit fuel injector'20006,045,120'Flow balanced spill control valve'20005,899,136'Low leakage plunger and barrel assembly for high pressure fluid system'19995,884,611'Effervescent injector for diesel engines'19995,860,597'Injection rate shaping nozzle assembly for a fuel injector'19995,819,704'Needle controlled fuel system with cyclic pressure generation'19985,715,788'Integrated fuel injector and ignitor assembly'19985,713,335'Variable injection timing and injection pressure control arrangement'19985,697,345'Clamping load distributor for a fuel injector'19975,676,114'Needle controlled fuel system with cyclic pressure generation'19975,611,317'Open nozzle fuel injector having drive train wear compensation'19975,534,161'Automatic water drain and priming pump for fuel systems'19965,460,133'Solenoid operated pump-line-nozzle fuel injection system and inline pump therefor'19955,441,027'Individual timing and injection fuel metering system'19955,329,908'Compressed natural gas injection system for gaseous fueled engines'19945,323,964'High pressure unit fuel injector having variable effective spill area'19945,301,876'Unit injector with interchangeable subassembly for converting from open nozzle to closed nozzle operation'19945,209,403'High pressure unit fuel injector with timing chamber pressure control'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–2003Patents assigned to CUMMINS ENGINE CO INC (19)· patent assignee history
1993–2006Based in Columbus, IN, US· patent location history
2002–2006Patents assigned to CUMMINS INC (7)· patent assignee history
2002–2003Based in Pune, IN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CUMMINS ENGINE CO INC | 19 | 1993–2003 |
| CUMMINS INC | 7 | 2002–2006 |
Locations
| Location | Patents | Span |
|---|---|---|
| Columbus, IN, US | 24 | 1993–2006 |
| Pune, IN | 2 | 2002–2003 |