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Inventor

David J. Hartman

Inventor
Brighton, MI, US

Overview

5→
Patents
1998–2021
Patent span
Physics
Primary field (CPC G)

Patents· 5 as inventor

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

B62Dprimary
B62DMotor vehicles33%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes33%
G06NComputing arrangements based on specific computational models17%
H04LTransmission of digital information, e.g. telegraphic communication17%
PatentTitleYear
10,919,562Steering assembly with positive lock and energy absorption and pyrotechnic actuator202110,899,379Energy absorbing device for internally collapsing steering column assembly202110,594,712Systems and methods for cyber-attack detection at sample speed20205,987,425'Variable margin pricing system'19995,822,736'Variable margin pricing system'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–1999Patents assigned to UNITED HARDWARE DISTRIBUTING C (2)· patent assignee history
1998–1999Based in Rochester, MN, US· patent location history
2020Patents assigned to GEN ELECTRIC (1)· patent assignee history
2020Based in Staten Island, NY, US· patent location history
2021Patents assigned to NSK LTD (2)· patent assignee history
2021Based in Brighton, MI, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NSK LTD22021
UNITED HARDWARE DISTRIBUTING C21998–1999
GEN ELECTRIC12020
Locations
LocationPatentsSpan
Brighton, MI, US22021
Rochester, Minnesota, US21998–1999
Staten Island, New York, US12020