Inventor

Andrew Hartmann

Inventor
Muskegon, MI, US

Overview

12→
Patents
2006–2019
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 12 as inventor

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

Y10Tprimary
Y10TTechnical subjects covered by former us classification18%
A47CChairs13%
B62DMotor vehicles8%
F16FSprings8%
B29CShaping or joining of plastics5%
B29DProducing particular articles from plastics or from substances in a plastic state5%
B60JWindows, windscreens, non-fixed roofs, doors, or similar devices for vehicles5%
E04CStructural elements5%
E05BLocks5%
E05CBolts or fastening devices for wings, specially for doors or windows5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2006–2011Patents assigned to FLEET ENGINEERS INC (5)· patent assignee history
2006–2019Based in Muskegon, MI, US· patent location history
2012–2018Patents assigned to COFFIELD TIMOTHY P (4)· patent assignee history
2012–2018Patents assigned to HARTMANN ANDREW B (4)· patent assignee history
2012–2019Patents assigned to ILLINOIS TOOL WORKS (4)· patent assignee history
2014–2017Patents assigned to MILLER HERMAN INC (2)· patent assignee history
2017Based in Grand Rapids, MI, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FLEET ENGINEERS INC52006–2011
COFFIELD TIMOTHY P42012–2018
HARTMANN ANDREW Bself42012–2018
ILLINOIS TOOL WORKS42012–2019
MILLER HERMAN INC22014–2017
Locations
LocationPatentsSpan
Muskegon, MI, US112006–2019
Grand Rapids, MI, US12017