Inventor

Anders Engstrom

Inventor

Lindome, SE

Overview

1976–2018

Patent span

Electricity

Primary field (CPC H)

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 contact14%

F28FDetails of heat-exchange and heat-transfer apparatus, of general application14%

G03BApparatus or arrangements for taking photographs or for projecting or viewing them14%

H04LTransmission of digital information, e.g. telegraphic communication14%

H04WWireless communication networks14%

B23KSoldering or unsoldering7%

D21CProduction of cellulose by removing non-cellulose substances from cellulose-containing materials7%

H04MTelephonic communication7%

H05BElectric heating7%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1976–1979Based in Lindome, SE· patent location history

1979Patents assigned to HASSELBLAD AB VICTOR (1)· patent assignee history

1994Patents assigned to ALFA LAVAL THERMAL (1)· patent assignee history

1999Patents assigned to ALFA LAVAL AB (1)· patent assignee history

1999Based in Karlskrona, SE· patent location history

2004Patents assigned to AGA AB (1)· patent assignee history

2004Based in Knivsta, SE· patent location history

2009–2018Patents assigned to ERICSSON TELEFON AB L M (2)· patent assignee history

2009Based in Gothenburg, SE· patent location history

2018Based in Lerum, SE· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations