Inventor

Wolfgang Riegger

Inventor

Salem, DE

Overview

4→

Patents

1984–1988

Patent span

Physics

Primary field (CPC G)

Patents· 4 as inventor

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

G01Nprimary

G01NInvestigating or analysing materials by determining their chemical or physical properties60%

B01LChemical or physical laboratory apparatus for general use20%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers20%

PatentTitleYear

4,773,552'Closure for sample bottles'1988 4,558,603'Needle assembly for introducing a carrier gas into a sample vessel'1985 4,554,436'Electric heater for a rotating sample vessel container in a sampling device for gas chromatography'1985 4,484,483'Needle assembly useful in the head-space method of gas chromatography'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–1988Patents assigned to BODENSEEWERK PERKIN ELMER CO (4)· patent assignee history

1984Based in Beuren, DE· patent location history

1985Based in Salem, DE· patent location history

1988Based in Obere Eichwaldstrasse, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BODENSEEWERK PERKIN ELMER CO	4	1984–1988

Locations

Location	Patents	Span
Salem, DE	2	1985
Obere Eichwaldstrasse, DE	1	1988
Beuren, DE	1	1984