Inventor

Ernst Berger

Inventor

Mellingen, CH

Overview

1980–2012

Patent span

Electricity

Primary field (CPC H)

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

H01Hprimary

H01HElectric switches17%

H02BBoards, substations or switching arrangements for the supply or distribution of electric power17%

B60BVehicle wheels11%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%

E04BGeneral building constructions6%

E21DShafts6%

F16JPistons6%

F16LPipes6%

F24SSolar heat collectors6%

G06FElectric digital data processing6%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1980–1981Patents assigned to DAETWYLER AG (2)· patent assignee history

1980–1981Based in Altdorf, CH· patent location history

1996Patents assigned to ABB MANAGEMENT AG (3)· patent assignee history

1996–1999Based in Mellingen, CH· patent location history

1999Patents assigned to ASEA BROWN BOVERI (1)· patent assignee history

2011–2012Patents assigned to GROSS & FROELICH GMBH & CO KG (2)· patent assignee history

2011–2012Based in Jettingen, DE· patent location history

2011Based in Seeheim-Jugenheim, DE· patent location history

2012Patents assigned to BERGER ERNST (1)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Locations