Inventor
Andrew Hartmann
Inventor
Muskegon, MI, US
Overview
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%
PatentTitleYear
10,226,893Load bearing surface20199,976,621Pre-deformed thermoplastics spring and method of manufacture20189,629,467'Method for manufacturing a multi-layered support structure'20179,566,890'Movable stanchion for transit buses'20179,215,933'Load bearing surface'20158,691,370'Multi-layered support structure'20148,185,985'Load bearing surface'20128,066,305'Adjustable fender'20117,874,592'Adjustable fender mount'20117,384,071'Fender assembly and mounting clamp therefor'20087,111,660'Roll-up door assembly'20067,017,954'Door latch assembly'2006Career & 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
| Assignee | Patents | Span |
|---|---|---|
| FLEET ENGINEERS INC | 5 | 2006–2011 |
| COFFIELD TIMOTHY P | 4 | 2012–2018 |
| HARTMANN ANDREW Bself | 4 | 2012–2018 |
| ILLINOIS TOOL WORKS | 4 | 2012–2019 |
| MILLER HERMAN INC | 2 | 2014–2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Muskegon, MI, US | 11 | 2006–2019 |
| Grand Rapids, MI, US | 1 | 2017 |