Inventor

Jens Drückhammer

Inventor

Braunschweig, DE

Overview

1993–2020

Patent span

Mechanical engineering

Primary field (CPC F)

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

F01Nprimary

F01NGas-flow silencers or exhaust apparatus for machines or engines in general19%

F02DControlling combustion engines13%

Y02TClimate change mitigation technologies related to transportation13%

B01DSeparation6%

B60HArrangements of heating, cooling, ventilating or other air-treating devices specially adapted for passenger or goods spaces of vehicles6%

B60KArrangement or mounting of propulsion units or of transmissions in vehicles6%

F01MLubricating of machines or engines in general6%

F02GHot gas or combustion-product positive-displacement engine plants6%

F02MSupplying combustion engines in general with combustible mixtures or constituents thereof6%

F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact6%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1993–2020Patents assigned to VOLKSWAGEN AG (4)· patent assignee history

1993Patents assigned to AUDI AG (1)· patent assignee history

1993Patents assigned to BAYERISCHE MOTOREN WERKE AG (1)· patent assignee history

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

1993Patents assigned to PORSCHE AG (1)· patent assignee history

1993–2020Based in Braunschweig, DE· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations

Location	Patents	Span
Braunschweig, DE	4	1993–2020