LexDanaLexDanabeta
Inventor

James V. Ludwig, Jr.

Inventor
Shelby Township, MI, US

Overview

3→
Patents
1998–2021
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 3 as inventor

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

F16Dprimary
F16DCouplings for transmitting rotation25%
F16LPipes25%
LOC1325%
Y10TTechnical subjects covered by former us classification25%
PatentTitleYear
D0917387Base20215,887,692'Hydraulic pressure cylinder with combined boot and spring'19995,716,081'Spring clip for quick connect coupling'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–1999Patents assigned to AUTOMOTIVE PROD USA (2)· patent assignee history
1998–1999Based in Shelby Township, MI, US· patent location history
2021Patents assigned to STEELCASE INC (1)· patent assignee history
2021Based in Grand Rapids, MI, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AUTOMOTIVE PROD USA21998–1999
STEELCASE INC12021
Locations
LocationPatentsSpan
Shelby Township, MI, US21998–1999
Grand Rapids, MI, US12021