Inventor
Douglas R. Hamburg
Inventor
Bloomfield, MI, US
Overview
Patents· 67 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F02Dprimary
F02DControlling combustion engines41%
Y02TClimate change mitigation technologies related to transportation21%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general14%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof13%
F02PIgnition, other than compression ignition, for internal-combustion engines5%
Y02ATechnologies for adaptation to climate change3%
F02BInternal-combustion piston engines1%
G01NInvestigating or analysing materials by determining their chemical or physical properties1%
G05BControl or regulating systems in general1%
Y10TTechnical subjects covered by former us classification1%
PatentTitleYear
6,604,357'Active adaptive bias for closed loop air/fuel control system'20036,336,084'Three-way catalyst model for an engine air-to-fuel ratio control system'20026,311,680'Active adaptive bias for closed loop air/fuel control system'20016,253,542'Air-fuel ratio feedback control'20016,161,531'Engine control system with adaptive cold-start air/fuel ratio control'20006,131,439'Catalyst deterioration detection with sensor calibration'20006,050,128'Catalyst deterioration monitoring'20005,877,413'Sensor calibration for catalyst deterioration detection'19995,822,979'Catalyst monitoring using a hydrocarbon sensor'19985,713,341'Lean air/fuel engine feedback control system'19985,653,104'Engine air/fuel control system with adaptively alignment of a catalytic converter\'s peak efficiency window'19975,598,703'Air/fuel control system for an internal combustion engine'19975,584,176'Engine control to achieve rapid catalyst warm-up'19965,582,150'Lean air/fuel control system for an internal combustion engine'19965,579,746'Engine lean air/fuel control system'19965,566,663'Air/fuel control system with improved transient response'19965,515,826'Engine air/fuel control system'19965,511,526'Engine air/fuel control with adaptive learning'19965,503,134'Fuel controller with air/fuel transient compensation'19965,499,500'Engine air/fuel control system with catalytic converter and exhaust gas oxygen sensor monitoring'19965,497,618'Air/fuel control system with catalytic converter monitoring'19965,483,946'Engine control system with rapid catalyst warm-up'19965,465,697'Cold start engine air/fuel control system'19955,452,576'Air/fuel control with on-board emission measurement'19955,408,215'Catalyst monitoring using a hydrocarbon sensor'19955,392,599'Engine air/fuel control with adaptive correction of ego sensor output'19955,383,333'Method for biasing a hego sensor in a feedback control system'19955,379,590'Air/fuel control system with hego current pumping'19955,375,415'Adaptive control of EGO sensor output'19945,370,101'Fuel controller with oxygen sensor monitoring and offset correction'19945,365,216'Catalyst monitoring using ego sensors'19945,363,091'Catalyst monitoring using ego sensors'19945,359,852'Air fuel ratio feedback control'19945,341,643'Feedback control system'19945,329,764'Air/fuel feedback control system'19945,325,711'Air-fuel modulation for oxygen sensor monitoring'19945,313,791'Method for detecting catalyst malfunctions'19945,291,673'Oxygen sensor system with signal correction'19945,282,360'Post-catalyst feedback control'19945,268,086'Catalyst monitoring using ego sensors'19935,265,417'Method and apparatus for determining the hydrocarbon conversion efficiency of a catalytic converter'19935,265,416'On-board catalytic converter efficiency monitoring'19935,255,512'Air fuel ratio feedback control'19935,177,464'Catalyst monitoring using a hydrocarbon sensor'19935,099,647'Combined engine air/fuel control and catalyst monitoring'19925,090,388'Air/fuel ratio control with adaptive learning of purged fuel vapors'19925,080,078'Fuel vapor recovery control system'19925,077,970'Method of on-board detection of automotive catalyst degradation'19925,067,469'Fuel vapor recovery system and method'19915,060,621'Vapor purge control system'19915,054,454'Fuel vapor recovery control system'19915,048,493'System for internal combustion engine'19915,048,492'Air/fuel ratio control system and method for fuel vapor purging'19914,789,939'Adaptive air fuel control using hydrocarbon variability feedback'19884,748,959'Regulation of engine parameters in response to vapor recovery purge systems'19884,736,724'Adaptive lean limit air fuel control using combustion pressure sensor feedback'19884,715,340'Reduction of HC emissions for vapor recovery purge systems'19874,677,956'Solenoid duty cycle modulation for dynamic control of refueling vapor purge transient flow'19874,664,087'Variable rate purge control for refueling vapor recovery system'19874,641,623'Adaptive feedforward air/fuel ratio control for vapor recovery purge system'19874,377,143'Lean air-fuel control using stoichiometric air-fuel sensors'19834,161,931'Vapor temperature controlled exhaust gas heat exchanger'19794,099,499'Vapor temperature controlled exhaust gas heat exchanger'19784,094,291'Apparatus for mixing a vaporized liquid fuel with air'19784,094,275'Vaporized liquid fuel delivery and metering system'19784,085,719'Vapor pressure regulator for a vaporized liquid fuel system'19784,047,512'Electric fuel vaporizer'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–2000Patents assigned to FORD MOTOR CO (56)· patent assignee history
1977–1995Based in Birmingham, MI, US· patent location history
1993–2003Based in Bloomfield, MI, US· patent location history
1997–2003Patents assigned to FORD GLOBAL TECH INC (10)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FORD MOTOR CO | 56 | 1977–2000 |
| FORD GLOBAL TECH INC | 10 | 1997–2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| Bloomfield, MI, US | 38 | 1993–2003 |
| Birmingham, MI, US | 29 | 1977–1995 |