Inventor

Gunter Petzow

Inventor

Leinfelden-Echterdingen, DE

Overview

1982–1993

Patent span

Chemistry

Primary field (CPC C)

Patents· 17 as inventor

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

C04Bprimary

C04BLime, magnesia55%

C22CAlloys7%

A61LMethods or apparatus for sterilising materials or objects in general3%

C01BNon-metallic elements3%

F01DNon-positive displacement machines or engines, e.g. steam turbines3%

F02FCylinders, pistons or casings, for combustion engines3%

F16CShafts3%

F16LPipes3%

F41AFunctional features or details common to both smallarms and ordnance, e.g. cannons3%

H01FMagnets3%

PatentTitleYear

5,250,509'Bismuth-containing superconducting material and process for producing it'1993 5,194,099'Sinter magnet based on Fe-Nd-B'1993 5,162,272'Sinterable ceramic powder, process for its production, silicon nitride ceramic produced therefrom, process for its production and its use'1992 5,106,793'Process for the hot isostatic compression of silicon nitride bodies reinforced with carbide fibres and carbide whiskers'1992 5,039,632'SI C powder, a process for its production and its use'1991 4,908,171'Method of sintering articles of silicon nitride'1990 4,904,623'Molded metal carbide-boride refractory products'1990 4,900,492'High-strength and temperature-stable formed bodies of zirconium dioxide'1990 4,855,259'Process of making ceramic moldings containing cordierite'1989 4,767,727'Fibre-strengthened ceramic formed bodies'1988 RE032449'Ceramic body of zirconium dioxide (ZrO.sub.2) and method for its preparation'1987 4,670,408'Process for the preparation of carbide-boride products'1987 4,525,464'Ceramic body of zirconium dioxide (ZrO.sub.2) and method for its preparation'1985 4,506,024'Ceramic formed body with a high crack arrestability'1985 4,421,861'High-strength and temperature-change resistant ceramic formed body, especially of mullite, its production and use'1983 4,401,729'High-strength ceramic laminated tube and the production and use thereof'1983 4,322,249'Process for the preparation of dispersion ceramics'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–1993Patents assigned to MAX PLANCK GESELLSCHAFT (10)· patent assignee history

1982–1993Based in Leinfelden-Echterdingen, DE· patent location history

1983Patents assigned to CLAUSSEN NILS (1)· patent assignee history

1991Patents assigned to BAYER AG (1)· patent assignee history

1992–1993Patents assigned to HOECHST AG (2)· patent assignee history

1993Patents assigned to 502 ROBERT BOSCH GMBH (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MAX PLANCK GESELLSCHAFT	10	1982–1993
HOECHST AG	2	1992–1993
502 ROBERT BOSCH GMBH	1	1993
BAYER AG	1	1991
CLAUSSEN NILS	1	1983

Locations

Location	Patents	Span
Leinfelden-Echterdingen, DE	17	1982–1993