Inventor

Erhard Sirtl

Inventor

Marktl, DE

Overview

11→

Patents

1976–1992

Patent span

Chemistry

Primary field (CPC C)

Patents· 11 as inventor

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

C30Bprimary

C30BSingle-crystal growth25%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%

C04BLime, magnesia9%

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation9%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution9%

C01BNon-metallic elements6%

C23CCoating metallic material6%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h106%

Y02PClimate change mitigation technologies in the production or processing of goods6%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%

PatentTitleYear

5,164,138'Material comprising silicon and process for its manufacture'1992 4,767,585'Process for producing molded bodies from granular material of silicon, germanium or mixed crystals of these elements'1988 4,461,671'Process for the manufacture of semiconductor wafers'1984 4,431,475'Process for making doped semiconductors'1984 4,366,024'Process for making solar cell base material'1982 4,312,850'Semicontinuous process for the manufacture of pure silicon'1982 4,312,700'Method for making silicon rods'1982 4,194,028'Process for applying a protective layer to shaped carbon bodies'1980 4,131,659'Process for producing large-size, self-supporting plates of silicon'1978 4,113,532'Process for producing large-size substrate-based semiconductor material utilizing vapor-phase deposition and subsequent resolidification'1978 3,953,876'Silicon solar cell array'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to DOW CORNING (1)· patent assignee history

1976Based in Munich, DE· patent location history

1978–1980Patents assigned to WACKER CHEMITRONIC (3)· patent assignee history

1978–1992Based in Marktl, DE· patent location history

1982–1992Patents assigned to HELIOTRONIC GMBH (6)· patent assignee history

1984Patents assigned to CONSORTIUM ELEKTROCHEM IND (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HELIOTRONIC GMBH	6	1982–1992
WACKER CHEMITRONIC	3	1978–1980
CONSORTIUM ELEKTROCHEM IND	1	1984
DOW CORNING	1	1976

Locations

Location	Patents	Span
Marktl, DE	10	1978–1992
Munich, DE	1	1976