Inventor

Waldemar Greubel

Inventor

Munich, DE

Overview

14→

Patents

1978–1993

Patent span

Physics

Primary field (CPC G)

Patents· 14 as inventor

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

F21Kprimary

F21KNon-electric light sources using luminescence19%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein17%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution14%

C09KMaterials for miscellaneous applications, not provided for elsewhere11%

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation11%

G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light6%

G09FDisplaying6%

A61BDiagnosis3%

F24SSolar heat collectors3%

G02BOptical elements, systems or apparatus3%

PatentTitleYear

5,237,997'Method of continuous measurement of blood pressure in humans'1993 4,405,210'Display device for displaying light images on a dark background'1983 4,265,516'Display device with a light valve operated in a time division multiplex method'1981 4,264,124'Device for collecting light and method of manufacturing such device'1981 4,260,219'Device for collecting light and method of manufacturing such device'1981 4,257,676'Device for collecting light'1981 4,244,636'Display device for the representation of bright images on a dark background and a process for operation of the device'1981 4,240,711'Display device comprising a liquid crystal cell with light valves'1980 4,235,527'Display device comprising a light valve unit in conjunction with the fluorescent plate'1980 4,222,880'Arrangement for optical transmission of communications'1980 4,146,790'Apparatus for converting light energy into heat energy by light concentration by means of fluorescent layers'1979 4,142,781'Electro-optical display device with electro-optical light valves'1979 4,113,360'Indicating device for illustrating symbols of all kinds'1978 4,110,123'Apparatus for converting light energy into electrical energy'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1983Patents assigned to SIEMENS AG (11)· patent assignee history

1978–1979Patents assigned to FRAUNHOFER GES FORSCHUNG (2)· patent assignee history

1978–1979Based in Denzlingen, DE· patent location history

1980–1983Based in Munich, DE· patent location history

1993Patents assigned to VECTRON GES FUER TECHNOLOGIEEN (1)· patent assignee history

1993Based in Taufkirchen, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SIEMENS AG	11	1978–1983
FRAUNHOFER GES FORSCHUNG	2	1978–1979
VECTRON GES FUER TECHNOLOGIEEN	1	1993

Locations

Location	Patents	Span
Munich, DE	9	1980–1983
Denzlingen, DE	4	1978–1979
Taufkirchen, DE	1	1993