LexDanaLexDanabeta
Inventor

Richard J Siemen

Inventor
Shelby Township, MI, US

Overview

2→
Patents
2017–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 2 as inventor

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

B21Dprimary
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material100%
PatentTitleYear
10,933,458Stretch forming die20219,827,606Stamping apparatus having flared bead2017

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2017–2021Patents assigned to DU CHANGQING (2)· patent assignee history
2017–2021Patents assigned to FCA US LLC (2)· patent assignee history
2017–2021Patents assigned to SIEMEN RICHARD J (2)· patent assignee history
2017–2021Patents assigned to ZHOU DAJUN (2)· patent assignee history
2017Patents assigned to LI KAIPING (1)· patent assignee history
2017–2021Based in Shelby Township, MI, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DU CHANGQING22017–2021
FCA US LLC22017–2021
SIEMEN RICHARD Jself22017–2021
ZHOU DAJUN22017–2021
LI KAIPING12017
Locations
LocationPatentsSpan
Shelby Township, MI, US22017–2021