Inventor

Herbert W. Weiss

Inventor

Salem, VA, US

Overview

1977–2021

Patent span

Electricity

Primary field (CPC H)

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

H02Pprimary

H02PControl or regulation of electric motors, electric generators or dynamo-electric converters22%

H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems15%

H02JElectric power networks11%

F02BInternal-combustion piston engines7%

B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material4%

F01DNon-positive displacement machines or engines, e.g. steam turbines4%

F01NGas-flow silencers or exhaust apparatus for machines or engines in general4%

F02CGas-turbine plants4%

F02DControlling combustion engines4%

F04DNon-positive-displacement pumps4%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to SIEMENS AG (2)· patent assignee history

1977Based in Munich, DE· patent location history

1979–1989Patents assigned to GEN ELECTRIC (7)· patent assignee history

1979–1989Based in Salem, VA, US· patent location history

1995Patents assigned to GEISSLER GMBH O & K (1)· patent assignee history

1995Based in Oberhaching, DE· patent location history

2021Patents assigned to BMTS TECH GMBH & CO KG (2)· patent assignee history

2021Patents assigned to MAHLE INT GMBH (1)· patent assignee history

2021Based in Stuttgart, DE· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations