Inventor

Roland Schirrmacher

Inventor

Landsberg am Lech, DE

Overview

1979–2019

Patent span

Mechanical engineering

Primary field (CPC F)

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

F28Dprimary

F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact10%

F28FDetails of heat-exchange and heat-transfer apparatus, of general application10%

LOC0810%

Y10TTechnical subjects covered by former us classification10%

A61BDiagnosis5%

B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material5%

B23KSoldering or unsoldering5%

B24DTools for grinding, buffing or sharpening5%

F16LPipes5%

F25BRefrigeration machines, plants or systems5%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1985Patents assigned to MAIER PETER (1)· patent assignee history

1985Based in Worthsee, DE· patent location history

1995Patents assigned to PLASTON AG (1)· patent assignee history

1995Based in Grafelfing, DE· patent location history

1997–2002Patents assigned to BEHR GMBH & CO (2)· patent assignee history

1997–2002Based in Ludwigsburg, DE· patent location history

2001Patents assigned to MICROLIFE INVEST CORP (2)· patent assignee history

2001Based in Graefelfing, DE· patent location history

2019Patents assigned to FESTOOL GMBH (2)· patent assignee history

2019Based in Landsberg am Lech, DE· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations