Daniel G. Brennan — 28 Patents at General Motors

Daniel G. Brennan has been granted 28 US patents while listed as an inventor at General Motors. The first was granted in 1989 and the most recent in May 2019. Daniel G. Brennan ranks #134,628 of 4,157,543 US inventors in our database (top 3.2%). Patent records list Daniel G. Brennan in Brighton, MI, US.

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
10287995	System and method for controlling a variable valve actuation system to reduce delay associated with reactivating a cylinder	Allen B. Rayl	2019-05-14	$16,995,000
10094312	Method to adjust an oil control valve actuation response time using cylinder valve diagnostics	Allen B. Rayl, Brian K. Kowalczyk	2018-10-09
9719439	System and method for controlling spark timing when cylinders of an engine are deactivated to reduce noise and vibration	Sanjeev M. Naik	2017-08-01	$13,220,000
9605612	System and method for determining the speed of an engine when one or more cylinders of the engine are deactivated	—	2017-03-28	$15,181,000
9567928	System and method for controlling a variable valve actuation system to reduce delay associated with reactivating a cylinder	Allen B. Rayl	2017-02-14	$14,854,000
9534550	Air per cylinder determination systems and methods	Gregory P. Matthews, Zhiping Liu	2017-01-03	$11,117,000
9482173	Fuel control systems and methods for cold starts	Kenneth J. Buslepp, Julian R. Verdejo, Bruce F. Hunter	2016-11-01	$7,132,000
9458779	Intake runner temperature determination systems and methods	Gregory P. Matthews, Layne K. Wiggins	2016-10-04	$7,190,000
9376973	Volumetric efficiency determination systems and methods	Gregory P. Matthews, Layne K. Wiggins	2016-06-28	$6,808,000
9249749	System and method for controlling a firing pattern of an engine to reduce vibration when cylinders of the engine are deactivated	—	2016-02-02	$5,143,000
9169787	Valve control systems and methods for cylinder deactivation and activation transitions	—	2015-10-27	$9,196,000
9097196	Stochastic pre-ignition detection systems and methods	Kenneth J. Buslepp, Julian R. Verdejo, David S. Mathews	2015-08-04	$6,630,000
9002550	Use of torque model at virtual engine conditions	Leonard G. Wozniak, Robert C. Simon, Jr., Jeffrey M. Kaiser, Emil Ritzen, Mats A. Reimark +3 more	2015-04-07	$9,925,000
8839750	System and method for controlling hydraulic pressure in electro-hydraulic valve actuation systems	Craig D. Marriott, Joel Cowgill, Matthew A. Wiles, Kenneth James Patton	2014-09-23	$10,186,000
8781713	System and method for controlling a valve of a cylinder in an engine based on fuel delivery to the cylinder	Steven Joseph Swantick	2014-07-15	$7,129,000
8667954	Simultaneously firing two cylinders of an even firing camless engine	—	2014-03-11	$12,576,000
8631688	System and method for detecting a fault in a pressure sensor that measures pressure in a hydraulic valve actuation system	Allen B. Rayl, Craig D. Marriott	2014-01-21	$6,033,000
8602002	System and method for controlling engine knock using electro-hydraulic valve actuation	—	2013-12-10	$5,499,000
8527120	Method and apparatus for controlling a powertrain system including an engine and electro-mechanical transmission	Gregory P. Matthews	2013-09-03	$6,168,000
8443784	Internal combustion engine and method for control	—	2013-05-21	$6,263,000
8437927	System and method for determining engine friction	Robert Douglas Shafto	2013-05-07	$9,456,000
8301362	Method and system for generating a diagnostic signal of an engine component using an in-cylinder pressure sensor	Kenneth J. Buslepp, Douglas R. Verner, Joseph R. Dulzo, Jonathan T. Shibata, Joshua D. Cowgill	2012-10-30
8265853	Cylinder pressure measurement system and method	Kenneth J. Buslepp	2012-09-11	$8,172,000
8042385	Synchronization diagnostic systems and methods for engine controllers	Jason T. Davis, David S. Mathews, Kevin J. Storch	2011-10-25	$6,784,000
7519466	Cam phaser compensation in a hybrid vehicle system	Jeffrey M. Kaiser, Bryan R. Snyder, Gregory J. York, Anne Marie Shields, Leonard G. Wozniak	2009-04-14	$1,788,000

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Daniel G. Brennan — 28 Patents

Issued Patents All Time

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