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David Alfred Maxfield, 722620 NW Elmwood Dr, Corvallis, OR 97330

Known as:
David A Maxfield David A Mayfield David A Markfield David A Maxfiled Dave Maxfield

David Maxfield Phones & Addresses

Bothell, WA   

Corvallis, OR   

Bonners Ferry, ID   

Philomath, OR   

Monmouth, OR   

Bandon, OR   

39631 Kings Valley Hwy, Monmouth, OR 97361    541-9295236   

Work

Company: Dave Maxfield, Attorney, LLC Address:
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Career records & work history

Lawyers & Attorneys

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David Maxfield - Lawyer

Office:
Dave Maxfield, Attorney, LLC
Specialties:
Libel & Slander, Consumer Protection, Identity Theft, Consumer Protection, Credit Reporting, Consumer & Commercial, Bank Misconduct, Non-Payment of Insurance, Investor Rights, Suits Against Debt Collectors
ISLN:
913652495
Admitted:
1994
University:
Furman University, B.A., 1990
Law School:
University of South Carolina, J.D., 1994

David Maxfield resumes & CV records

Resumes

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Manager

Industry:
Leisure, Travel, & Tourism
Work:
Self-Employed
Manager
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David Maxfield

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David Maxfield

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David Maxfield

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David Maxfield

Publications & IP owners

Us Patents

Method Of Dispensing Liquid

US Patent:
8333453, Dec 18, 2012
Filed:
Jul 30, 2008
Appl. No.:
13/054962
Inventors:
Christie Dudenhoefer - Corvallis OR, US
Kenneth Ward - Corvallis OR, US
Alexander Govyadinov - Corvallis OR, US
David Maxfield - Philomath OR, US
Assignee:
Hewlett-Packard Development Company, L.P. - Houston TX
International Classification:
B41J 29/393
US Classification:
347 19
Abstract:
A liquid dispensing device () having a drop ejection device () including an orifice () adapted for ejecting drops () therefrom above a particular turn-on-energy, a turn-on-energy detection device () positioned to receive turn-on-energy information from said ejected drops as a function of energy applied to the drop ejection device, and a controller () that receives the turn-on-energy information and conducts a mathematical operation on the turn-on-energy information to determine a drop volume of the drops ejected.

Firing Cell

US Patent:
8511796, Aug 20, 2013
Filed:
Feb 6, 2008
Appl. No.:
12/812751
Inventors:
Adam L. Ghozeil - Corvallis OR, US
Andrew Phillips - Corvallis OR, US
David Maxfield - Philomath OR, US
Eugene J. Mar - Corvallis OR, US
Matthew P. Heineck - Corvallis OR, US
Mark H. MacKenzie - Brush Prairie WA, US
Assignee:
Hewlett-Packard Development Company, L.P. - Houston TX
International Classification:
B41J 2/05
B41J 29/38
US Classification:
347 62, 347 12, 347 57
Abstract:
A system is provided that includes first means for pre-charging a node to a first potential where the node coupled to a switch configured to control current through a firing resistor and second means for selectively discharging the node to a second potential across a path that has only one transistor between the node and the second potential.

Determining An Issue With An Inkjet Nozzle Using An Impedance Difference

US Patent:
2013027, Oct 24, 2013
Filed:
Apr 19, 2012
Appl. No.:
13/450620
Inventors:
Alexander Govyadinov - Corvallis OR, US
Andrew L. Van Brocklin - Corvallis OR, US
Eric T. Martin - Corvallis OR, US
David Maxfield - Philomath OR, US
International Classification:
B41J 29/38
US Classification:
347 9
Abstract:
A method for determining an issue with an inkjet nozzle using an impedance difference includes taking a first impedance measurement with a sensor to detect a drive bubble in an ink chamber after a drive bubble formation mechanism is activated; and subtracting the first impedance measurement from a reference.

Calibrating A Program That Detects A Condition Of An Inkjet Nozzle

US Patent:
2013027, Oct 24, 2013
Filed:
Apr 19, 2012
Appl. No.:
13/450651
Inventors:
Eric T. Martin - Corvallis OR, US
Andrew L. Van Brooklin - Corvallis OR, US
David Maxfield - Philomath OR, US
International Classification:
B41J 29/38
US Classification:
347 14
Abstract:
A method for calibrating a program that detects a condition of an inkjet nozzle includes receiving measurement information from a sensor positioned to detect a drive bubble in an ink chamber of an inkjet nozzle; and modifying a program that determines a condition of said inkjet nozzle.

Printhead Assembly

US Patent:
2013032, Dec 12, 2013
Filed:
Mar 31, 2011
Appl. No.:
13/985578
Inventors:
David Maxfield - Philomath OR, US
Sean P. McClelland - Corvallis OR, US
International Classification:
B41J 2/14
US Classification:
347 44
Abstract:
A printhead assembly is provided, the printhead assembly including a printhead die, a black fluid slot formed in the printhead die to deliver black printing fluid, and a color fluid slot formed in the printhead die to deliver color printing fluid.

Thermal Management Of Fluid Ejection Devices

US Patent:
2021022, Jul 22, 2021
Filed:
Oct 12, 2016
Appl. No.:
16/310922
Inventors:
- Fort Collins CO, US
James Michael Gardner - Corvallis OR, US
David Maxfield - Corvallis OR, US
Assignee:
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. - Fort Collins CO
International Classification:
B41J 2/045
Abstract:
In some examples, a control apparatus for thermal management of a fluid ejection device includes a thermal controller to detect a number of a plurality of thermal measurements of the fluid ejection device that exceed a thermal threshold, and in response to determining that the number of thermal measurements that exceed the thermal threshold exceeds a count threshold, deactivating a firing controller of the fluid ejection device.

Detecting A Drive Bubble Formation And Collapse

US Patent:
2020005, Feb 20, 2020
Filed:
Oct 23, 2019
Appl. No.:
16/661103
Inventors:
- Spring TX, US
Andrew L. Van Brocklin - Corvallis OR, US
David Maxfield - Philomath OR, US
Assignee:
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. - Spring TX
International Classification:
B41J 2/045
G01R 27/02
B41J 2/14
Abstract:
Measuring an inkjet nozzle may include taking at least one impedance measurement after the firing command is sent to detect the presence of a drive bubble and taking another impedance measurement to detect a collapse of the drive bubble.

Switches For Bypass Capacitors

US Patent:
2019023, Aug 1, 2019
Filed:
Oct 13, 2016
Appl. No.:
16/318201
Inventors:
- Fort Collins CO, US
Eric Martin - Corvallis OR, US
David Maxfield - Corvallis OR, US
Assignee:
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. - Fort Collins CO
International Classification:
G05F 3/08
B41J 2/045
Abstract:
In some examples, a control circuit for a bypass capacitor includes a switch assembly that is activatable between a first state to connect the bypass capacitor between nodes, and a second state to disconnect the bypass capacitor between the nodes. The switch assembly includes a first switch to activate a first path comprising a first resistance to begin charging the bypass capacitor, and a second switch to, a delayed time after the activating of the first path, activate a second path comprising a second resistance lower than the first resistance, the activated second path connecting the bypass capacitor between the nodes.

Isbn (Books And Publications)

The Washington Lobby

Author:
David Maxfield
ISBN #:
0871870622

Possible Relatives

Dale G Maxfield  Debbie A Maxfield  Dana M Maxfield  Daniel J Maxfield  Delbert E Maxfield  Delmore A Maxfield  Dennis E Maxfield  David Last  David W Johnson  David Stamps 

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