ENGINEERING RESOURCES, INC.
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Sep 07, 1999 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 132 Total Citation Count
- Apr 09, 1982 Earliest Filing
- 8 Expired/Abandoned/Withdrawn Patents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Expired/Abandoned/Withdrawn Patents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
4592381 Multiple stage device for condensate removal from a steam piping systemExpiredFeb 07, 84Jun 03, 86[F16T]
4541456 Valve assembly for purging particulates from a steam piping systemExpiredFeb 07, 84Sep 17, 85[F16K]
4486208 Condensate removal device for steam lines and the likeExpiredOct 11, 83Dec 04, 84[F15D, B01D]
4426213 Condensate removal device for steam lines and the likeExpiredApr 09, 82Jan 17, 84[F15D, B01D]
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