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Inventor

Johann Ropers

Inventor
Erlangen, DE

Overview

4→
Patents
1976–1993
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 4 as inventor

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

G21Cprimary
G21CNuclear reactors29%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution29%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material14%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges14%
Y10TTechnical subjects covered by former us classification14%
PatentTitleYear
5,211,907'Assembly for securing a centering pin within a bore of a nuclear reactor core plate'19935,089,215'Method of securing a centering pin for a nuclear fuel assembly'19923,937,651'Nuclear reactor facility'19763,935,062'Nuclear power plant with a safety enclosure'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1993Patents assigned to SIEMENS AG (4)· patent assignee history
1976Based in Grossdechsendorf, DT· patent location history
1976Based in Erlangen-Dechsendorf, DE· patent location history
1992–1993Based in Erlangen, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SIEMENS AG41976–1993
Locations
LocationPatentsSpan
Erlangen, DE21992–1993
Grossdechsendorf, DT11976
Erlangen-Dechsendorf, DE11976