Inventor

Kaspar Weingand

Inventor

Gmund, DE

Overview

6→

Patents

1977–1985

Patent span

Chemistry

Primary field (CPC C)

Patents· 6 as inventor

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

H01Jprimary

H01JElectric discharge tubes or discharge lamps30%

C25DProcesses for the electrolytic or electrophoretic production of coatings20%

C03CChemical composition of glasses, glazes or vitreous enamels10%

G01FMeasuring volume, volume flow, mass flow or liquid level10%

G02BOptical elements, systems or apparatus10%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein10%

Y10TTechnical subjects covered by former us classification10%

PatentTitleYear

4,505,539'Optical device or switch for controlling radiation conducted in an optical waveguide'1985 4,447,292'Method for manufacturing unsupported metal lattice structures'1984 4,325,002'Luminescent screen for flat image display devices'1982 4,322,656'Spacer mount in a gas-discharge display device'1982 4,293,376'Method of producing perforated glass plate'1981 4,058,432'Process for producing a thin metal structure with a self-supporting frame'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1985Patents assigned to SIEMENS AG (6)· patent assignee history

1977Based in Lochham, DE· patent location history

1981Based in Gmund-Durnbach, DE· patent location history

1982–1984Based in Gmund, DE· patent location history

1985Based in Duernbach, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SIEMENS AG	6	1977–1985

Locations

Location	Patents	Span
Gmund, DE	3	1982–1984
Duernbach, DE	1	1985
Gmund-Durnbach, DE	1	1981
Lochham, DE	1	1977