Inventor

Klaus Heikrodt

Inventor

Krefeld, DE

Overview

1989–2005

Patent span

Mechanical engineering

Primary field (CPC F)

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

F02Gprimary

F02GHot gas or combustion-product positive-displacement engine plants24%

F25BRefrigeration machines, plants or systems24%

F01CRotary-piston or oscillating-piston machines or engines12%

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

F28FDetails of heat-exchange and heat-transfer apparatus, of general application6%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy6%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications6%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution6%

Y02PClimate change mitigation technologies in the production or processing of goods6%

Y02TClimate change mitigation technologies related to transportation6%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to PIERBURG GMBH (2)· patent assignee history

1989–2000Based in Krefeld, DE· patent location history

1997–2002Patents assigned to BOSCH GMBH ROBERT (5)· patent assignee history

1997–1998Patents assigned to VIESSMANN WERKE KG (2)· patent assignee history

1998Patents assigned to VIESMANN WERKE GMBH & CO (1)· patent assignee history

2002Based in Dedelstorf-Repke, DE· patent location history

2005Patents assigned to UMICORE AG & CO KG (1)· patent assignee history

2005Based in Allendorf, DE· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations