STAL-LAVAL Apparat AB
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Jul 16, 1985 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 44 Total Citation Count
- Aug 18, 1977 Earliest Filing
- 10 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
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Recent Publications
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Recent Patents
- No Recent Patents to Display
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
4467635 Leak detection in heat exchanger tubes and their tube sheet connectionsExpiredJul 22, 82Aug 28, 84[G01M]
4458886 Thermal recuperator device with a facility for controlling the pressure in an upstream vesselExpiredDec 13, 82Jul 10, 84[C21C]
4339249 Heat exchanger for recovery of heat energy from dust-containing waste gasesExpiredNov 27, 78Jul 13, 82[B01D]
4230177 Heat exchange with separately supported and separately removable tubular coilsExpiredNov 13, 78Oct 28, 80[F28F]
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