Geren; Michael D.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Geren; Michael D..The latest application filed is for "systems and methods for reducing current drain in batteries".

Company Profile

2.22.14

Geren; Michael D. - Suwanee GA
Geren; Michael D. - Duluth GA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Systems and methods for reducing current drain in batteries Grant 10,759,301 - Ooi , et al. Sep	2020-09-01
Systems And Methods For Reducing Current Drain In Batteries App 20190135127 - Ooi; Thean Song ; et al.	2019-05-09
Methods and systems for contactless battery discharging Grant 9,985,694 - Brumley , et al. May 29, 2	2018-05-29
Method and apparatus for operating an internal charger system of a portable electronic device Grant 9,843,220 - Herrmann , et al. December 12, 2	2017-12-12
Method And Apparatus For Operating An Internal Charger System Of A Portable Electronic Device App 20160218539 - HERRMANN; JOHN E. ; et al.	2016-07-28
Methods And Systems For Contactless Battery Discharging App 20160087685 - BRUMLEY; EDWARD W. ; et al.	2016-03-24
Method and apparatus for charging batteries having different voltage ranges with a single conversion charger Grant 9,209,676 - Geren December 8, 2	2015-12-08
Apparatus and method for discharging a battery and determining a condition of the battery Grant 9,097,775 - Kerfoot, Jr. , et al. August 4, 2	2015-08-04
Method And Apparatus For Charging Batteries Having Different Voltage Ranges With A Single Conversion Charger App 20140159641 - GEREN; MICHAEL D.	2014-06-12
Apparatus And Method For Discharging A Battery And Determining A Condition Of The Battery App 20140132223 - Kerfoot, JR.; Roy L. ; et al.	2014-05-15
Power supply circuit having low idle power dissipation Grant 8,659,263 - Oglesbee , et al. February 25, 2	2014-02-25
Power Supply Circuit Having Lowidle Power Dissipation App 20120139477 - Oglesbee; John W. ; et al.	2012-06-07
Battery protection circuit for simulating an overcurrent condition based on battery current flow Grant 7,145,313 - Geren , et al. December 5, 2	2006-12-05
Electronic audio accessory for use with automotive stereo loudspeakers Grant 7,096,047 - Geren , et al. August 22, 2	2006-08-22
Atmospheric explosive battery protection circuit having a robust protection system Grant 7,068,012 - Geren , et al. June 27, 2	2006-06-27
Circuit to prevent acoustic feedback for a cellular speakerphone Grant 7,027,604 - Soo , et al. April 11, 2	2006-04-11
Battery protection circuit App 20050285572 - Geren, Michael D. ; et al.	2005-12-29
Cell balancing circuit App 20050269989 - Geren, Michael D. ; et al.	2005-12-08
Power Fault Battery Protection Circuit App 20050127878 - Geren, Michael D. ; et al.	2005-06-16
Power fault battery protection circuit Grant 6,903,533 - Geren , et al. June 7, 2	2005-06-07
Battery circuit with three-terminal memory device Grant 6,879,517 - Geren , et al. April 12, 2	2005-04-12
Battery protection circuit Grant 6,879,133 - Geren April 12, 2	2005-04-12
Dual use thermistor for battery cell thermal protection and battery pack overcharge/undercharge protection Grant 6,819,083 - Patino , et al. November 16, 2	2004-11-16
Dual Use Thermistor For Battery Cell Thermal Protection And Battery Pack Overcharge/undercharge Protection App 20040212350 - Patino, Joseph ; et al.	2004-10-28
Thermally limited battery protection and charging circuit Grant 6,771,051 - Oglesbee , et al. August 3, 2	2004-08-03
Thermally Limited Battery Protection And Charging Circuit App 20040095097 - Oglesbee, John W. ; et al.	2004-05-20
Battery circuit with three-terminal memory device App 20040052109 - Geren, Michael D. ; et al.	2004-03-18
Electronic audio accessory for use with automotive stereo loudspeakers App 20030104843 - Geren, Michael D. ; et al.	2003-06-05
Circuit to prevent acoustic feedback for a cellular speakerphone App 20030059062 - Soo, Kee Eng ; et al.	2003-03-27
Transformer secondary disconnect Grant 6,307,758 - Geren October 23, 2	2001-10-23
Lithium ion charging means and method using ionic relaxation control Grant 6,127,804 - Oglesbee , et al. October 3, 2	2000-10-03
Sub-miniature high efficiency battery charger exploiting leakage inductance of wall transformer power supply, and method therefor Grant 6,100,664 - Oglesbee , et al. August 8, 2	2000-08-08
Sub-miniature high efficiency battery charger system and method Grant 6,091,229 - Oglesbee , et al. July 18, 2	2000-07-18
Battery charging method using battery circuitry impedence measurement to determine optimum charging voltage Grant 5,969,508 - Patino , et al. October 19, 1	1999-10-19
Method for charging a battery Grant 5,705,915 - Douglas , et al. January 6, 1	1998-01-06

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