Inventor

Horst Kippenberg

Inventor

Herzogenaurach, DE

Overview

17→

Patents

1977–1994

Patent span

Electricity

Primary field (CPC H)

Patents· 17 as inventor

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

H01Hprimary

H01HElectric switches30%

B22FWorking metallic powder16%

Y10TTechnical subjects covered by former us classification16%

C22CAlloys14%

H01GCapacitors9%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

C22BProduction and refining of metals2%

H01CResistors2%

H05KPrinted circuits2%

Y02PClimate change mitigation technologies in the production or processing of goods2%

PatentTitleYear

5,330,702'Process for producing CuCr contact pieces for vacuum switches as well as an appropriate contact piece'1994 5,315,081'Vacuum switching tube for low-voltage and medium-voltage switches, particularly for vacuum contactors'1994 5,241,745'Process for producing a CUCB contact material for vacuum contactors'1993 4,935,588'Contact arrangement for vacuum switches with axial magnetic fields'1990 4,913,932'Method for the production of a component with a filled layer'1990 4,906,291'Method for manufacturing melt materials of copper, chromium, and at least one readily evaporable component using a fusible electrode'1990 4,889,760'Filler layer electrical component and method for the manufacture thereof'1989 4,829,399'Filled layer component made out of a monolithic ceramic body'1989 4,797,780'Component with filled layers and electrical contacts and methods for its production'1989 4,780,582'Use of a fusion material of copper and chrome as the contact material for vacuum contactors'1988 4,749,830'Contact pieces for vacuum switchgear, and method for the manufacture thereof'1988 4,537,745'Method of producing copper-chromium fusion alloys as contact material for vacuum power switches'1985 4,503,010'Process of producing a compound material of chromium and copper'1985 4,147,909'Sintered composite material as contact material for medium-voltage vacuum power circuit breakers'1979 4,067,379'Method for the manufacture of multilayered contacts for medium-voltage vacuum power circuit breakers'1978 4,032,301'Composite metal as a contact material for vacuum switches'1977 4,014,659'Impregnated compound metal as contact material for vacuum switches and method for its manufacture'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1994Patents assigned to SIEMENS AG (17)· patent assignee history

1977Based in Nurnberg-Weiherhaus, DT· patent location history

1978Based in Nurnberg, DE· patent location history

1979Based in Nuremberg, DE· patent location history

1985–1994Based in Herzogenaurach, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SIEMENS AG	17	1977–1994

Locations

Location	Patents	Span
Herzogenaurach, DE	13	1985–1994
Nurnberg-Weiherhaus, DT	2	1977
Nuremberg, DE	1	1979
Nurnberg, DE	1	1978