Zwick Energy Research Organization, Inc.
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Jun 29, 1993 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 227 Total Citation Count
- Jul 31, 1978 Earliest Filing
- 16 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
- No Technology to Display
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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Expired/Abandoned/Withdrawn Patents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
5215454 Buzz suppression in burners of high capacity direct fired fluid heatersExpiredAug 26, 91Jun 01, 93[F23D]
4924679 Apparatus and method for evacuating an insulated cryogenic hoseExpiredOct 02, 89May 15, 90[F17C]
4860545 Cryogenic storage tank with a retrofitted in-tank cryogenic pumpExpiredNov 07, 88Aug 29, 89[F17C]
4819454 Liquid cryogenic vaporizer utilizing ambient air and a nonfired heat sourceExpiredJan 22, 88Apr 11, 89[F17C]
4662181 Method and apparatus for extending the duration of operation of a cryogenic pumping systemExpiredDec 24, 84May 05, 87[F17C]
4609003 Method and apparatus for generation of a pneumatic feedback trigger signalExpiredJan 03, 85Sep 02, 86[F17D]
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