Inventor
David B. Roth
Inventor
Groton, NY, US
Overview
Patents· 21 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F02Bprimary
F02BInternal-combustion piston engines12%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof12%
Y02TClimate change mitigation technologies related to transportation11%
F02DControlling combustion engines8%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general6%
F01PCooling of machines or engines in general6%
F02FCylinders, pistons or casings, for combustion engines6%
F01LCyclically operating valves for machines or engines5%
B60HArrangements of heating, cooling, ventilating or other air-treating devices specially adapted for passenger or goods spaces of vehicles3%
F01DNon-positive displacement machines or engines, e.g. steam turbines3%
PatentTitleYear
10,240,525Variable compression ratio connecting rod system with rotary actuator201910,215,084Directly communicated turbocharger20199,945,332Controlling exhaust gas flow to the EGR system through a scavenger valve20189,816,466'Condensing EGR-mixer system'20179,695,785'Turbocharger with integrated venturi mixer and EGR valve system'20179,623,720'Viscous coolant heater with variable coolant pump drive'20179,086,011'Directly communicated turbocharger'20158,950,182'Knock-responsive adjustment of an external EGR mixture'20158,935,024'Boost assist system'20158,630,787'Controlling exhaust gas recirculation in a turbocharged engine system'20148,495,992'Controlling exhaust gas flow divided between turbocharging and exhaust gas recirculating'20138,464,963'Viscous coolant heater with variable coolant pump drive'20137,608,277'Tuberculosis nucleic acids, polypeptides and immunogenic compositions'20097,604,995'Compositions, kits, and methods for stimulation of homologous recombination'20097,568,458'Valve event reduction through operation of a fast-acting camshaft phaser'20097,322,800'System and method of providing hydraulic pressure for mechanical work from an engine lubricating system'20086,971,355'Variable lift and duration device for poppet valves'20056,889,634'Method of providing hydraulic pressure for mechanical work from an engine lubricating system'20056,003,488'Direct injection spark ignition engine'19995,967,101'Engine cooling system and thermostat with improved bypass control'19995,337,704'Engine cooling system with thermostat coolant flow control between head and block'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–1999Patents assigned to CHRYSLER CORP (3)· patent assignee history
1994–2005Based in Bloomfield, MI, US· patent location history
2005–2019Patents assigned to BORGWARNER INC (16)· patent assignee history
2005–2019Based in Groton, NY, US· patent location history
2009Based in San Diego, CA, US· patent location history
2009Based in New York, NY, US· patent location history
2013–2015Patents assigned to ROTH DAVID B (6)· patent assignee history
2014–2015Patents assigned to JOERGL VOLKER (2)· patent assignee history
2014–2015Patents assigned to SHUTTY JOHN (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BORGWARNER INC | 16 | 2005–2019 |
| ROTH DAVID Bself | 6 | 2013–2015 |
| CHRYSLER CORP | 3 | 1994–1999 |
| JOERGL VOLKER | 2 | 2014–2015 |
| SHUTTY JOHN | 2 | 2014–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Groton, New York, US | 15 | 2005–2019 |
| Bloomfield, MI, US | 4 | 1994–2005 |
| San Diego, California, US | 1 | 2009 |
| New York, New York, US | 1 | 2009 |