Inventor

Per Rissler

Inventor

Falsterbo, SE

Overview

1987–2011

Patent span

Mechanical engineering

Primary field (CPC F)

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

F28Fprimary

F28FDetails of heat-exchange and heat-transfer apparatus, of general application33%

F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact17%

Y10TTechnical subjects covered by former us classification17%

B23KSoldering or unsoldering8%

F24DDomestic- or space-heating systems, e.g. central heating systems8%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution8%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1987–1989Patents assigned to ALFA LAVAL THERMAL (2)· patent assignee history

1987–1989Based in Falsterbo, SE· patent location history

2003–2011Patents assigned to SWEP INT AB (2)· patent assignee history

2003Based in Skanr, SE· patent location history

2011Based in SkanÃ¶r, SE· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ALFA LAVAL THERMAL	2	1987–1989
SWEP INT AB	2	2003–2011

Locations