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Inventor

Doyle G. Heyveld

Inventor
Peoria, IL, US

Overview

3→
Patents
1996–2010
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

G01Gprimary
G01GWeighing33%
E02FDredging17%
G01BMeasuring length, thickness or similar linear dimensions17%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes17%
G07CTime or attendance registers17%
PatentTitleYear
7,653,516'System and method of establishing a reliability characteristic'20105,955,706'Method and apparatus for calculating work cycle times'19995,531,122'Fatigue analysis and warning system'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2010Patents assigned to CATERPILLAR INC (3)· patent assignee history
1996–2010Based in Peoria, IL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CATERPILLAR INC31996–2010
Locations
LocationPatentsSpan
Peoria, Illinois, US31996–2010