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Inventor

Siegfried Keller

Inventor
Nurnberg, DE

Overview

2→
Patents
1993–2020
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 2 as inventor

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

F16Fprimary
F16FSprings67%
Y10TTechnical subjects covered by former us classification33%
PatentTitleYear
10,557,515Gas pressure spring20205,215,291'Gas spring'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993Patents assigned to SUSPA COMPART AG (1)· patent assignee history
1993Based in Nuremberg, DE· patent location history
2020Patents assigned to SUSPA GMBH (1)· patent assignee history
2020Based in Nurnberg, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUSPA COMPART AG11993
SUSPA GMBH12020
Locations
LocationPatentsSpan
Nurnberg, DE12020
Nuremberg, DE11993