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Inventor

John M. Baker

Inventor
Tuttle, OK, US

Overview

20→
Patents
1987–2019
Patent span
Electricity
Primary field (CPC H)

Patents· 20 as inventor

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

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer13%
H01FMagnets13%
Y10TTechnical subjects covered by former us classification13%
A01BSoil working in agriculture or forestry7%
C23CCoating metallic material7%
F16KValves7%
A01GHorticulture3%
B60JWindows, windscreens, non-fixed roofs, doors, or similar devices for vehicles3%
B62DMotor vehicles3%
F21LLighting devices or systems thereof, being portable or specially adapted for transportation3%
PatentTitleYear
10,239,565Pickup truck tailgate lifting apparatus20199,148,988'Depth control system'20159,148,987'Agricultural caddy and trailer assembly'20157,593,955'Generation of aggregatable dimension information within a multidimensional enterprise software system'20097,094,614'In-situ monitoring of chemical vapor deposition process by mass spectrometry'20066,445,530'Class AB H-bridge using current sensing MOSFETs'20026,420,274'Method for conditioning process chambers'20026,272,733'Transformer change-out procedure'20016,266,203'Integrated temperature sense circuit in a disc drive'20016,208,280'Converting a pulse-width modulation signal to an analog voltage'20016,115,201'Disc drive head bias current optimization'20006,016,043'Method and apparatus for controlling a motor in a disc drive by modulating the commutation angle'20005,686,696'Transformer pad'19975,204,652'Adjustable bleed system for a universal solenoid for fluid control valves'1993D0329797'Knife sharpener'19925,074,326'Adjustable plunger system for a universal solenoid for fluid control valves'1991D0316292'Replacement diaphragm for an irrigation system valve'19914,853,346'Ohmic contacts for semiconductor devices and method for forming ohmic contacts'19894,672,515'Utility light adjusting and securing device'19874,661,719'Auxiliary switching circuit'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1992Patents assigned to BAKER JOHN M (3)· patent assignee history
1989–2009Patents assigned to IBM (4)· patent assignee history
1989–2006Based in Yorktown Heights, NY, US· patent location history
1991–1993Based in Corona, CA, US· patent location history
1997–2001Based in Las Vegas, NV, US· patent location history
2000Patents assigned to SEAGATE TECHNOLOGY (2)· patent assignee history
2000–2002Based in Tuttle, OK, US· patent location history
2001–2002Patents assigned to SEAGATE TECHNOLOGY LLC (3)· patent assignee history
2015Patents assigned to PENTA TMR INC (2)· patent assignee history
2019Based in Andrews, IN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IBM41989–2009
BAKER JOHN Mself31987–1992
SEAGATE TECHNOLOGY LLC32001–2002
PENTA TMR INC22015
SEAGATE TECHNOLOGY22000
Locations
LocationPatentsSpan
Tuttle, OK, US52000–2002
Yorktown Heights, New York, US31989–2006
Corona, California, US31991–1993
Las Vegas, NV, US21997–2001
Andrews, IN, US12019