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Inventor

John D. Pro

Inventor
Prior Lake, MN, US

Overview

8→
Patents
1990–2014
Patent span
Physics
Primary field (CPC G)

Patents· 8 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 transducer56%
G01FMeasuring volume, volume flow, mass flow or liquid level33%
H05KPrinted circuits11%
PatentTitleYear
8,665,565'Trace jumpers for disc drive suspensions'20148,520,342'Constant impedance and variable bandwidth traces for an integrated lead suspension'20138,379,349'Trace jumpers for disc drive suspensions'20137,986,494'Integrated lead head suspension with tapered trace spacing'20117,782,572'Disk drive head suspension flexures having alternating width stacked leads'20105,530,639'Bridge pulse controlled constant current driver for magnetic flowmeter'19965,372,045'Bridge pulse controlled constant current driver for magnetic flowmeter'19944,916,381'Current source for a variable load with an inductive component'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1996Patents assigned to ROSEMOUNT INC (3)· patent assignee history
1990Based in Burnsville, MN, US· patent location history
1994–2014Based in Prior Lake, MN, US· patent location history
2010–2014Patents assigned to HUTCHINSON TECHNOLOGY (5)· patent assignee history
2013Patents assigned to PRO JOHN D (2)· patent assignee history
2013Patents assigned to ROEN MICHAEL E (2)· patent assignee history
2013Patents assigned to HENTGES REED T (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HUTCHINSON TECHNOLOGY52010–2014
ROSEMOUNT INC31990–1996
PRO JOHN Dself22013
ROEN MICHAEL E22013
HENTGES REED T12013
Locations
LocationPatentsSpan
Prior Lake, Minnesota, US71994–2014
Burnsville, Minnesota, US11990