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Inventor

Mark H. MacKenzie

Inventor
Corvallis, OR, US

Overview

63→
Patents
2001–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 63 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B41Jprimary
B41JTypewriters79%
Y10TTechnical subjects covered by former us classification5%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables4%
G03GElectrography3%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry1%
B33YAdditive manufacturing, i.e. manufacturing of three-dimensional [3d] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3d printing, stereolithography or selective laser sintering1%
B41MPrinting, duplicating, marking, or copying processes1%
C02FTreatment of water, waste water, sewage, or sludge1%
D21HPulp compositions1%
G01SRadio direction-finding1%
PatentTitleYear
11,110,704Selectively firing a fluid circulation element202111,040,329Density classifiers based on plane regions202110,894,429Determination of printer dryer target temperatures202110,870,291Partially dried inkjet media conditioner202010,780,699Printhead with removable printhead cover202010,682,871Skewing print medium202010,661,567Printheads and methods of fabricating a printhead202010,596,814Selectively firing a fluid circulation element202010,479,110Partially dried inkjet media fusers201910,434,770Printing element temperature adjustment201910,427,406Print bar sensors201910,363,745Printheads with pressure equalization201910,343,433Skew sensor calibration201910,343,397Printer cartridge with multiple fluid chambers in fluid communication201910,207,497Selecting nozzles20199,994,014Selecting nozzles20189,937,714Print head die with thermal control20189,878,870'Print media ejection'20189,782,978'Serpentine direction reversal in bidirectional error diffusion halftoning'20179,676,190'Print head die with thermal control'20179,586,425'Printhead spacing'20179,511,584'Print head die with thermal control'20169,358,788'Print head die'20169,268,023'Drop detection'20169,221,256'Print head die'20159,199,461'Print head die'20159,168,739'Print head die'20159,028,031'Peak energy reduction printhead system'20158,926,051'Heater controller and method thereof'20158,899,717'Print speed determination based on a power budget'20148,888,212'Printhead spacing'20148,704,333'Fuse chambers on a substrate'20148,511,796'Firing cell'20138,480,207'Overlap printing'20138,348,373'Firing signal forwarding in a fluid ejection device'20137,594,328'Method of forming a slotted substrate with partially patterned layers'20097,083,267'Slotted substrates and methods and systems for forming same'20067,048,355'High-performance, high-density ink jet printhead having multiple modes of operation'20066,945,634'Thin film coating of a slotted substrate and techniques for forming slotted substrates'20056,902,252'Fluid ejection device with staggered ink drop generators'20056,890,064'Energy balanced printhead design'20056,883,889'Fluid ejection device'20056,866,364'Printhead having drop generators in staggered axis groups'20056,860,587'Ink jet printhead'20056,808,241'Fluid ejection device'20046,767,089'Slotted semiconductor substrate having microelectronics integrated thereon'20046,726,311'Energy balanced printhead design'20046,722,759'Ink jet printhead'20046,698,857'Method and apparatus for transferring information to a printhead'20046,648,732'Thin film coating of a slotted substrate and techniques for forming slotted substrates'20036,585,352'Compact high-performance, high-density ink jet printhead'20036,582,042'Method and apparatus for transferring information to a printhead'20036,523,935'Narrow ink jet printhead'20036,488,363'Energy balanced printhead design'20026,481,817'Method and apparatus for ejecting ink'20026,478,404'Ink jet printhead'20026,431,686'Fluid ejection device controlled by electrically isolated primitives'20026,422,676'Compact ink jet printhead'20026,412,917'Energy balanced printhead design'20026,402,279'Inkjet printhead and method for the same'20026,315,389'Printhead having different center to center spacings between rows of nozzles'20016,305,774'Printhead substrate having an ink jet primitive structure that spans both edges of an ink feed channel'20016,267,468'Printhead substrate having a mixture of single and double sided elongate ink feed channels'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2003Patents assigned to HEWLETT PACKARD CO (11)· patent assignee history
2001–2021Based in Corvallis, OR, US· patent location history
2003–2021Patents assigned to HEWLETT PACKARD DEVELOPMENT CO (47)· patent assignee history
2013–2015Patents assigned to MACKENZIE MARK H (6)· patent assignee history
2013–2015Patents assigned to MARTIN ERIC T (3)· patent assignee history
2013–2015Based in Brush Prairie, WA, US· patent location history
2014–2021Based in Vancouver, WA, US· patent location history
2016–2018Patents assigned to HEWLETT PACKARD DEVELOPMENT CO LP (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HEWLETT PACKARD DEVELOPMENT CO472003–2021
HEWLETT PACKARD CO112001–2003
MACKENZIE MARK Hself62013–2015
HEWLETT PACKARD DEVELOPMENT CO LP52016–2018
MARTIN ERIC T32013–2015
Locations
LocationPatentsSpan
Corvallis, OR, US472001–2021
Vancouver, Washington, US142014–2021
Brush Prairie, Washington, US22013–2015